Instrumentation

Types of Models in Science. There are three types of models that are generally grouped. They include visual models, mathematical models, and computer models. All three types of models can be used in every branch of science.

The V-TECH DC Position Servo System Demonstration Unit is a versatile, standalone educational device ideal for demonstrating the principles and functioning of a DC position servo system. Here’s a summary of its key features and specifications:

• Versatile Design: The unit is designed to be a comprehensive, standalone demonstrator for exploring DC position servo systems.
• Core Components:
  • A command (input) potentiometer with a calibrated dial to set the desired angular position.
  • A rebalance potentiometer that converts the output position into a corresponding voltage signal.
  • A specially designed DC motor with bidirectional, geared, permanent magnet control.
  • Amplifier Stages: Includes a summing amplifier, preamplifier, and power amplifier to drive the motor based on the detected error signal.
• High Precision: Offers accurate, sensitive performance with strong repeatability, linearity, and quick response times.
• User-Friendly Interface: Enclosed in an elegant cabinet with a thoughtfully arranged circuit layout on the front panel.

• Principle: DC Position Servo System
• Displacement: Angular (0° to 270°)
• Input Transducer: Command potentiometer with a calibrated dial (0° to 270°)
• Motor: Special bidirectional, geared, permanent magnet DC motor
• Coupling: Motor coupled to output rebalance potentiometer
• Amplifiers:
  • Summing Amplifier with adjustable gain
  • Preamplifier and Power Amplifier for motor drive based on error signals
• Amplifier Gain: Adjustable based on output position voltage
• Output: Calibrated dial displaying 0° to 270° on the slave mechanism
• Controls:
  • Master potentiometer
  • Zero adjustment potentiometer
  • Span adjustment potentiometer for angular displacement limits
  • Gain adjustment potentiometer
  • Servo motor ON/OFF control
  • Mains ON/OFF switch
• Indicators:
  • Digital 3.5-digit nullmeter
  • Servo motor ON/OFF indicator
  • Mains ON/OFF indicator
• Test Points: Located at various stages for waveform and voltage observation
• Power Requirements: 230V AC, ±10%, 50Hz, single phase
• Standard Accessories: Detailed instruction manual with theory and operational details

1. Completely Self-contained Stand-alone Unit:

   • The system is designed as a ready-to-use, self-contained unit, meaning no additional components or equipment are required to operate it. This makes it convenient for immediate use, especially in classroom or laboratory settings.

2. Demonstrates Phase Control Using DIAC & TRIAC:

   • The unit offers a practical demonstration of how phase control is achieved using a DIAC and TRIAC. This involves varying the phase of the AC waveform to control the power delivered to a load. It provides a clear visual understanding of how phase control works in real-world applications.

3. Supply Requirement – 230V, 50Hz AC:

   • The unit operates on a standard 230V, 50Hz AC supply, commonly available in regions worldwide. This ensures the device is compatible with most electrical systems, making it versatile for global use.

4. Intensity Adjustment Potentiometer:

   • The panel features a potentiometer that allows the user to adjust the intensity (or brightness) of the connected lamp. This adjustment shows the effects of phase control on the load, providing insight into how changing the phase of the AC voltage impacts power delivery.

5. Lamp as Load:

   • The system uses a lamp as the resistive load, which visibly demonstrates how the phase control circuit operates. As the user adjusts the phase trigger, the brightness of the lamp changes, visually indicating the effect of phase control.

6. DIAC as Pulse Generator for TRIAC Gate Trigger:

   • The DIAC serves as the pulse generator that triggers the gate of the TRIAC. This is the critical mechanism in phase control, as it determines the point during each AC half-cycle when the TRIAC is turned on, thereby controlling the power delivered to the load.

7. Observing Effects of Phase Control on Load:

   • The impact of phase control can be directly observed on the connected lamp. As the user adjusts the triggering point using the DIAC, the lamp’s brightness will change, providing a clear, visual representation of how phase control works in practice.

8. Test Points for Voltage and Waveforms:

   • Test points are provided at various stages in the circuit, allowing users to measure voltages and observe waveforms. This feature is valuable for users wanting to delve deeper into the working of the circuit and for educational purposes, where understanding voltages at different stages is key to grasping the concept of phase control.

9. Elegant Cabinet and Well-Designed Circuit Layout:

   • The unit is housed in a sleek, well-designed cabinet, which not only enhances its aesthetic appeal but also provides durability. The front panel features an engraved circuit layout, which makes it easy for users to understand the arrangement of the components and their function in the circuit.

10. Comprehensive Instruction Manual:

    • The unit is backed by a comprehensive instruction manual that offers in-depth theory, detailed operating instructions, and practical insights on how to use the unit. This helps users fully understand the operation of the system and the underlying principles of phase control.

* Completely self – contained stand – alone unit.

* Demonstrates the principle and various methods of Forced Commutation of SCR.

1. Self Commutation by resonating load ( Class “A” Method ).

2. Self Commutation by an L C Circuit ( Class “B” Method ).

3. Complimentary Commutation ( Class “C” Method ).

4. Auxiliary Commutation ( Class “D” Method ).

5. External Pulse Commutation ( Class “E” Method ).

* Supply required 230V, 50Hz AC.

* Built-in IC based DC Regulated Supply and LED indication for supply “ON”.

* Built-in load facility in the form of LED’s.

* Connecting each circuit separately and verifying its principle.

* Multicoloured test points are provided to observe the waveform and voltages.

* Set of required number of patch cords.

* Housed in an elegant cabinet with a well spread intelligently designed circuit layout engraved on the front panel.

* Strongly supported by a comprehensive instruction manual complete with theory and operating details.

The MOSFET as a Switch Trainer is an educational and practical tool designed to help students and electronics enthusiasts learn about MOSFET (Metal Oxide Semiconductor Field Effect Transistor) operation in switching applications. This trainer offers a hands-on learning experience with clear demonstrations of how MOSFETs function as electronic switches in various circuits, making it ideal for students in electronics, electrical engineering, and hobbyists.

• High-Quality Components: Includes N-channel and P-channel MOSFETs with clear labeling, allowing users to experiment with different configurations and understand their unique characteristics.
• Visual Indicators: Equipped with LED indicators to show the on/off state of the MOSFETs, providing instant feedback on switching action and helping visualize current flow.
• Modular Design: Easy to set up and reconfigure, with detachable components and clear circuit layouts to help learners grasp the switching concepts.
• Safe & Durable: Built with safety features such as over-current protection, ensuring the trainer is safe for both beginners and advanced users.
• Power Supply Compatibility: Operates with common low-voltage DC power supplies, making it versatile and convenient to use in classroom or lab settings.

1. Understand the role of MOSFETs as switches in digital and analog circuits.
2. Learn about the difference between enhancement-mode and depletion-mode MOSFETs.
3. Practice building circuits that utilize MOSFETs in on/off states for controlling loads.
4. Gain hands-on experience with real-world applications of MOSFETs in power electronics.

• MOSFET Switch Trainer Board
• Instruction Manual with Experiment Guide
• Jumper Wires and Test Components (LEDs, Resistors)
• Power Supply Adapter (if applicable)

SALIENT FEATURES :

* Completely self – contained stand – alone unit.

* Demonstrates the principle and different methods of SCR Turn On.

1. Half Wave AC Control

2. Full Wave AC Control

3. UJT Trigger Circuit

4. Transistor Trigger Circuit

* Supply required 230V, 50Hz AC.

* Built – in IC based DC Regulated Supply and LED indication for supply “ON”.

* Built – in Resistive load.

* Connecting each circuit separately and verifying its principle.

* Multicoloured test points are provided to observe the waveform and voltages.

* Set of required number of patch cords.

* Housed in an elegant cabinet with a well spread intelligently designed circuit layout engraved on the front panel.

* Strongly supported by a comprehensive instruction manual complete with theory and operating details

The Theorems & Laws Trainer Kit is an advanced educational tool designed to provide a hands-on learning experience in understanding various electronic theorems and laws. Built with the latest machinery and a highly skilled workforce, this trainer kit ensures exceptional quality, durability, and ease of use. Suitable for engineering students, educators, and electronics enthusiasts, it offers a comprehensive setup for exploring fundamental electronic principles.

• User-Friendly Design: The kit is designed for easy operation, making it accessible to both beginners and advanced users.
• Long-lasting Durability: Constructed with robust components, the trainer kit ensures reliable performance over time.
• Industry-Standard Construction: Manufactured to meet industry norms, providing both accuracy and safety during experiments.

• LED Power Indicator: Includes an LED to indicate power input status, allowing easy monitoring of the kit’s operational state.
• On-Board Semiconductor Devices:
  • Silicon Diode
  • Germanium Diode
  • Zener Diode
  • Light Emitting Diode (LED)
  • DIAC
• Variable DC Power Supplies:
  • 0 to ±15V / 150mA DC for small-scale applications
  • 0 to ±30V / 150mA DC for extended applications
• High-Quality Connections: All interconnections use 2 mm banana patch cords for secure and easy setup.
• PCB Quality: Built with bare-board tested glass epoxy PCB for optimal durability and stability.
• Complete Accessories: Includes a full set of 2 mm patch cords for seamless interconnections between components.

• High Performance & Low Maintenance: Designed for reliable performance with minimal upkeep, making it ideal for frequent use in labs and classrooms.
• Enhanced Learning: This kit enables users to understand, test, and apply key electronic theorems and laws in a controlled, hands-on environment.

The Reciprocity Theorem Trainer is a practical and educational kit designed to demonstrate the Reciprocity Theorem in electrical circuits. Specifically crafted for students, researchers, and professionals in electronics and electrical engineering, this trainer provides a hands-on experience for understanding the behavior of linear bilateral networks. By setting up various circuit configurations, users can see how the voltage or current response at one point is identical when source and response points are interchanged, thus reinforcing key theoretical concepts with real-world applications.

• Easy-to-Use Interface: Simplified layout with clear labels for straightforward circuit setup, even for beginners.
• High Durability: Constructed from quality components to ensure consistent, long-term performance.
• Versatile Testing Options: Supports both AC and DC experiments, allowing users to test reciprocity in various conditions.
• Quick Setup and Modular Design: Ready for immediate use in labs or classrooms, reducing time spent on setup.

• Power Supply:
  • DC: 0 to ±15V, 150mA for general circuit applications.
  • AC: Standard 50Hz, 10V peak-to-peak for AC reciprocity tests.
• Measurement Indicators:
  • LED indicators signal circuit operation status for easy monitoring.
• Built-In Components:
  • On-board resistors and capacitors for flexible load simulations.
• Connection Ports: 2 mm banana sockets for secure and safe connections.
• Quality PCB Construction: High-grade glass epoxy PCB for durability and reliable signal transmission.

1. Enhanced Understanding of Reciprocity Theorem: Offers hands-on learning for verifying voltage and current interchangeability.
2. Safe and Convenient: Short-circuit and overload protection allow for safe use by beginners and advanced users alike.
3. Portable and Compact: Lightweight design for easy handling and storage.

• Reciprocity Theorem Trainer Board
• Instruction Manual: Step-by-step guide for conducting experiments.
• 2 mm Banana Patch Cords: For flexible and secure circuit connections.
• Spare Parts: Essential components for long-term, continued use.

1. Self-Contained Unit: This is a standalone device that requires no external power supply since it operates on passive components only.
2. Educational Purpose: Designed to demonstrate the principles and verification of series and parallel resonance circuits.
3. Built-in Components: The unit includes an internal bank of resistors, capacitors, and coils, enabling various RLC combinations.
4. Flexible Configurations: Allows for different series and parallel configurations of RLC circuits.
5. Multi-Colored Test Points: Color-coded test points facilitate easy observation and measurement of voltages across different parts of the circuit.
6. Patch Cords Included: Comes with the necessary patch cords for connecting components and observing results.
7. Sturdy and User-Friendly Design: Encased in a metal cabinet with a well-laid-out front panel, making it easy to operate and understand.
8. Comprehensive Manual: Includes a detailed instruction manual with theoretical explanations and operational guidance.

• No Power Supply Needed: Since it consists solely of passive components, there’s no need for an external power source.

The Digital pH Meter is a state-of-the-art instrument designed for precise pH, mV (millivolt), and temperature (°C) measurements in various solutions. Perfect for laboratory, industrial, and environmental applications, this meter guarantees accurate and reliable performance with advanced features.

• Calibration Options: Choose between Auto calibration and Manual calibration for optimal flexibility and accuracy in diverse conditions.
• High Resolution: Offers 0.01 pH, 0.1 mV, and 0.1°C resolution, ensuring precise measurements in all scenarios.
• Excellent Accuracy: Features an accuracy of 0.01 pH, 1 digit mV, and ±0.10°C temperature for highly reliable results.
• Wide Measurement Range: Capable of measuring 0 to 14 pH, 0 to 1999.9 mV, and 0 to 100°C temperature, suitable for a wide range of testing environments.
• Clear Display: The 16 x 2 alpha-numeric LCD display provides easy-to-read results, even in low-light conditions.
• Power Supply: Operates on 230V, 50Hz power supply, ensuring compatibility in most regions.
• High Sample Capacity: Efficiently processes up to 100 samples, making it ideal for batch testing.

Salient Features:
V- TECH AC Drive Demonstration Unit is a versatile stand alone unit useful in the study & demonstration of the principle & working of an AC drive. The circuit works on the principle of PWM with frequency & voltage control. A 1 φ 1HP AC motor coupled with a Speed Measurement & loading arrangement is also provided. A 3 pin mains socket for connecting the CRO is also provided for isolation. It is housed in an elegant metal cabinet with a well spread intelligently designed circuit layout on front panel. Multi - coloured test points one provided at various stages in the circuit to observe voltages & waveforms.

Technical  Specifications:

• Input: 230V, 50Hz A.C.
• Output: Variable AC (0 to 230V)
• Output Frequency: Approx. 10Hz to 50 Hz.
• Circuitry: PWM based circuitry frequency control.
• Power Circuit: Using either MOSFET/IGBT.
• V/F Ratio: Constant.
• Load: 1HP1φ AC motor with Speed Measurement coupled to it & loading arrangement.

• Frequency Control.
• FWD/STOP Switch.
• REV/STOP Switch.

• Mains ON.
• Multifunction LED.

• 8 pin socket for connecting motor & tacho.
• 3 pin socket for CRO.

• 3 ½ digit to indicate AC voltage.
• 3 ½ digit to indicate speed in RPM.

• Study the PWM firing circuit of an AC drive.
• Speed control of AC motor.

LACTO-METER (Milk Testing Equipment) Get your LACTO-METER now to check the quality of milk in your home. It is very simple to use. Just pour the milk in a jug and put the LACTO-METER in it. The meter above has marking on it which indicates the density of milk or how much the water is mixed in milk. It is so simple that even a child can check the quantity of water in milk.

Instrumentation , is  in the field of Instrumentation Sales Service & Repairs with 40 years of experience.  We provide service & repairs to your old high precision instruments and equipment.  We provide cost effective service & Repair to any brand, any make instruments  with service warranty. Why not try once?

Instruments of Any Type, Any Make, Analog/Digital, Any Condition  Indian or  Imported

• Laboratory Instrument, Test Equipment,
• Scientific, Measuring, Precision Instrument,
• Analytical, Bio Medical, Survey, Electrical,
• Electronic Instruments ,Weather, Metrology.

Polariscope is used to view the strain/defects like molecular birefringent flow lines, black isoclinic lines.

Instrumentation , is  in the field of Instrumentation Sales Service & Repairs with 40 years of experience.  We provide service & repairs to your old high precision instruments and equipment.  We provide cost effective service & Repair to any brand, any make instruments  with service warranty. Why not try once?

Instruments of Any Type, Any Make, Analog/Digital, Any Condition  Indian or  Imported

• Laboratory Instrument, Test Equipment,
• Scientific, Measuring, Precision Instrument,
• Analytical, Bio Medical, Survey, Electrical,
• Electronic Instruments ,Weather, Metrology.

The General Purpose Thermometer is a versatile and reliable temperature measurement device designed for a wide range of applications. Whether you need to monitor indoor or outdoor temperatures, check food safety, or conduct laboratory measurements, this thermometer delivers accurate readings with ease.

• Accurate Temperature Measurement – Provides precise readings for various environments and applications.
• Wide Temperature Range – Suitable for measuring temperatures from -50°C to 300°C (-58°F to 572°F), depending on the model.
• Easy-to-Read Display – Features a clear digital or analog display for quick and effortless reading.
• Durable & Reliable – Built with high-quality materials for long-lasting performance.
• Compact & Portable – Lightweight and easy to carry, making it ideal for home, kitchen, lab, or industrial use.
• Battery-Powered/Digital Options – Available in both battery-operated digital versions and traditional analog models.
• Multipurpose Use – Perfect for food safety checks, HVAC systems, liquid temperature measurements, and more.

 The Stereotaxic Apparatus is a precision device designed for conducting controlled and accurate procedures in the fields of neuroscience, neurobiology, and neurosurgery. It is primarily used for performing targeted brain surgeries, electrode implantations, drug injections, and lesions in small animals such as rodents, using a system of precise three-dimensional coordinates. This tool is essential for researchers and clinicians working in fields that require highly controlled manipulation of the brain or nervous system.

Key Features:

• Highly Accurate Positioning: The apparatus features adjustable arms and a fine-tuning mechanism that ensures precise targeting with micron-level accuracy.
• Sturdy Construction: Built with high-quality materials like stainless steel, the device offers robust stability and durability, ensuring reliable use in both experimental and clinical settings.
• Versatile and Adjustable: Compatible with a variety of animal models, the Stereotaxic Apparatus allows adjustments in the vertical, horizontal, and rotational axes to fit different animal sizes and experimental needs.
• User-Friendly Controls: The intuitive control system includes easy-to-read scales and a smooth movement mechanism, enabling researchers to make real-time adjustments with ease.
• Ergonomic Design: The apparatus is designed to reduce fatigue during long experimental sessions, with adjustable support for the animal’s head, ensuring minimal stress and discomfort.
• Versatile Mounting Options: Equipped with mounting platforms for stereotaxic instruments such as electrodes, cannulas, and syringes, it allows seamless integration into various experimental setups.
• Safety Features: Designed with safety mechanisms that ensure proper animal positioning and reduce the risk of accidental injury during procedures.

The Portable Hydrogen Analyzer is a compact and versatile device designed for the on-site measurement of hydrogen gas concentrations in various environments. It is ideal for applications in industrial settings, research, and safety monitoring where accurate and real-time hydrogen detection is critical. This portable analyzer provides quick, reliable, and precise readings, making it an essential tool for ensuring safety and compliance in environments where hydrogen gas is used or produced.

• Compact and Lightweight: Designed for portability, this hydrogen analyzer is easy to carry and use in various locations, making it ideal for fieldwork and on-site measurements.
• Wide Detection Range: It can detect hydrogen gas concentrations across a broad range, from low levels (ppm) to higher concentrations (up to 100%), depending on the model and application.
• Real-Time Readings: The analyzer provides real-time, continuous measurements, allowing users to monitor hydrogen gas levels instantly.

The Pocket Concrete Penetrometer is a portable, handheld testing device designed to measure the penetration resistance of fresh concrete. This tool is essential for field testing of concrete during construction, offering a quick and easy way to assess the consistency and strength of freshly mixed concrete, helping engineers and construction professionals determine its suitability for pouring or further processing.

• Compact and Portable: The pocket-sized design makes it easy to carry and use directly on-site, providing convenience for field testing and immediate results without the need for complex equipment.
• Quick and Simple Operation: The device is easy to use, requiring minimal training to obtain accurate readings. Users simply insert the probe into the fresh concrete to measure its resistance to penetration.
• Direct Measurement of Concrete Consistency: It provides a direct measurement of the concrete’s resistance to penetration, which is a key indicator of its consistency, compaction, and workability.

The Plastic Melt Flow Indexer (MFI) is a critical laboratory instrument used to measure the flow characteristics of molten plastics under controlled conditions. It provides valuable data on the processability and viscosity of polymers, which is essential for determining their suitability for various manufacturing processes, such as extrusion, injection molding, and film production. The MFI is a key tool in quality control and material testing, allowing manufacturers and researchers to assess the flow behavior of different plastics, ensuring consistency and quality in polymer production.

• Precise Flow Measurement: The Plastic Melt Flow Indexer accurately measures the melt flow rate (MFR) of polymer samples, indicating how easily a plastic melts and flows when subjected to heat and pressure.
• Adjustable Temperature and Load: The device allows users to set specific temperature and load conditions, ensuring that the test can be customized to match the requirements of different polymer types.
• Digital Readout: Many MFI models feature digital displays that provide easy-to-read results, showing the melt flow index in units such as grams per 10 minutes (g/10min).

The Multiparameter Water Quality Meter is a versatile and high-precision instrument designed to measure multiple water quality parameters in real-time. It is widely used in environmental monitoring, water treatment plants, aquaculture, research laboratories, and industrial applications. This portable or benchtop device provides accurate readings of essential water quality parameters, ensuring safe and compliant water conditions.

• Multiple Parameter Measurement: Simultaneous monitoring of pH, conductivity, dissolved oxygen (DO), turbidity, temperature, total dissolved solids (TDS), oxidation-reduction potential (ORP), and salinity (depending on model).

• High-Precision Sensors: Advanced electrode technology for accurate and reliable readings.

• Real-Time Data Logging: Stores measurement data for analysis and compliance reporting.

The J Ring Test Apparatus is a specialized tool used to assess the passing ability and flow characteristics of self-compacting concrete (SCC). It evaluates the concrete’s ability to flow through obstructions while maintaining uniformity, helping engineers and researchers ensure high-quality SCC mixes. This apparatus is widely used in construction material testing laboratories to verify the workability and segregation resistance of concrete before application in structures.

1. Durable Stainless Steel Construction – Ensures long-lasting performance and resistance to corrosion.

2. Precision-Cut Steel Rods – Simulates reinforcement bars to evaluate the passing ability of SCC.

3. Compatible with Slump Flow Test – Can be used alongside the slump flow test for comprehensive workability analysis.

4. Easy-to-Assemble Design – Simple setup for quick and efficient testing in laboratory or field conditions.

5. Standard-Compliant – Manufactured in accordance with ASTM C1621/C1621M and EN 12350-12 testing standards.

6. Portable & Lightweight – Designed for convenient handling and transportation between testing sites.

The V-Tech Digital Ultrasonic Cleaner is a high-performance cleaning device designed for efficient and thorough cleaning of delicate and intricate objects. With a 2-liter stainless steel tank, it offers durability and corrosion resistance, making it suitable for laboratory, medical, and industrial applications.

Operating at a 40 kHz ultrasonic frequency, this cleaner generates powerful ultrasonic waves to remove dirt, grease, and contaminants from tools, jewelry, optical lenses, circuit boards, and other delicate components. The digital display allows for precise control of cleaning settings, while the adjustable temperature (up to 80°C) enhances the cleaning process.

Powered by a 220-240V AC supply at 50Hz, this user-friendly and efficient device ensures consistent performance and superior cleaning results.

• 2L stainless steel tank for durability and corrosion resistance

• Digital display for easy operation and control

• 40 kHz ultrasonic frequency for deep and effective cleaning

• Adjustable temperature up to 80°C for enhanced cleaning efficiency

• Reliable operation with 220-240V AC power supply (50Hz)

The V-Tech Low Distortion Audio Generator is a high-precision instrument designed for audio testing and signal generation. It provides stable and low-distortion sine waves, making it ideal for applications in audio equipment testing, research labs, and production facilities. With a wide frequency range and precise control, this generator ensures accurate signal output for high-fidelity audio analysis.

1. Low Distortion Output: Delivers highly stable and pure sine waves with minimal harmonic distortion.

2. Wide Frequency Range: Supports a broad spectrum of audio frequencies for versatile testing applications.

3. Adjustable Output Level: Allows fine-tuned control over signal amplitude for precise measurements.

4. High Stability & Accuracy: Maintains consistent output with minimal frequency drift.

5. User-Friendly Interface: Intuitive controls for easy operation in laboratory and field environments.

6. Durable & Compact Design: Built with high-quality materials to ensure long-term reliability and portability.

The E.M. Thomson Method Apparatus is a precision instrument used for measuring electrical conductivity and resistivity of materials. This method is widely applied in industrial and laboratory settings for non-destructive testing of metals, alloys, and conductive materials. With high sensitivity and accuracy, the system ensures reliable and repeatable results, making it an essential tool for quality control and research applications.

1. High Accuracy Measurement: Provides precise conductivity and resistivity readings with minimal error.

2. Non-Destructive Testing: Enables material evaluation without causing any physical damage.

3. Wide Measurement Range: Suitable for various metals, alloys, and conductive materials.

4. Stable & Repeatable Results: Ensures consistency in conductivity testing for research and industrial applications.

5. User-Friendly Operation: Simple interface with easy-to-use controls for efficient testing.

6. Portable & Durable Design: Compact construction for field and laboratory use.

The V-Tech Magnetic Field Helmholtz Coil is a precision instrument designed for generating uniform magnetic fields in laboratory and research applications. It consists of two identical coils placed parallel to each other, ensuring a homogeneous magnetic field at the center. This system is widely used in physics experiments, material testing, and calibration of magnetic sensors due to its accuracy and stability.

1. Uniform Magnetic Field: Generates a highly stable and homogeneous magnetic field for precise measurements.

2. Adjustable Field Strength: Allows fine-tuned control of magnetic intensity for different experimental needs.

3. High-Quality Construction: Built with durable materials to ensure long-term reliability and performance.

4. Low Power Consumption: Efficient design minimizes energy usage while maintaining optimal output.

5. Versatile Applications: Suitable for sensor calibration, material testing, and scientific research.

6. Easy Integration: Compatible with various power supplies and measurement instruments for seamless operation.

The Physics Lab Instruments collection is designed to support a wide range of scientific experiments, enhancing the accuracy and reliability of measurements in both research and educational environments. These instruments are tailored for a variety of applications, from studying fundamental physics concepts such as electron charge to analyzing fluid flow, material properties, and gases. Each apparatus provides precise control and clear results to ensure the best possible outcomes for scientific investigations.

1. Millikan Oil Drop Apparatus:
   An essential tool for determining the charge of an electron by observing oil droplets suspended in an electric field. This experiment remains a cornerstone in the study of atomic theory.

2. K Constant Spring Apparatus:
   Used to measure the spring constant (K), this apparatus allows students and researchers to explore the principles of elasticity and Hooke’s law with precision.

3. Katters Pendulum Iron:
   A precision apparatus used for studying the motion of a pendulum, offering insights into periodic motion and the relationship between mass, length, and gravitational forces.

4. Young Modulus Apparatus Brass:
   A testing instrument for determining the Young's Modulus of materials, particularly brass, to measure the material's elasticity and tensile strength under applied forces.

5. Poiseuille's Viscosity Apparatus:
   Designed to measure the viscosity of fluids by observing the flow through a capillary tube, this apparatus is key for studying fluid dynamics and material properties.

6. Boyle's Law Apparatus:
   A fundamental apparatus for demonstrating the relationship between pressure and volume of a gas, as described by Boyle's Law, providing hands-on learning in thermodynamics.

7. Laboratory FTIR Spectrometer:
   An advanced tool for analyzing chemical compositions by measuring the absorption of infrared light, essential for studying molecular structures and identifying substances.

8. Orsat Gas Analysis Apparatus:
   Used to determine the composition of gases by measuring the volume of each gas component in a mixture, this apparatus is critical for environmental and industrial applications.

9. Optical Bench & BI Prism Assembly:
   This setup is designed for optical experiments, including the study of refraction, dispersion, and light behavior through prisms and lenses.

10. Rising Table With Capillary Tube:
    A simple and effective apparatus for studying capillary action and fluid dynamics, demonstrating how liquids rise in thin tubes due to surface tension.

11. Deflection of Beam Apparatus:
    This instrument is used to measure the deflection of beams under different loads, providing valuable data for studying material strength and mechanical properties.

12. Linear Expansion Apparatus (Horizontal Brass Pipe 1 Meter):
    Designed to measure the linear expansion of materials due to temperature changes, this apparatus helps in the study of thermal properties of materials.

13. Brass Bar and Gauge (Size 3"):
    A precise instrument for measuring small displacements or changes in length in experiments on thermal expansion or material strain.

Our range of Laboratory Apparatus is designed for precision, efficiency, and reliability in scientific and industrial applications. These high-quality instruments support research, experimentation, and testing in various fields, including pharmaceutical, chemical, and engineering laboratories. From mechanical testing to fluid dynamics and electronic circuit analysis, our laboratory equipment ensures accurate and repeatable results.

1. Blain Air Permeability Apparatus – Measures the fineness of cement and other powders using air permeability principles.

2. TTL Basic Logic Gates Apparatus – Designed for studying and testing TTL logic gates, including AND, OR, NAND, NOR, and XOR operations.

3. Gillmore Needle Apparatus – Used for determining the setting time of cement with precise penetration measurements.

4. Vial Sealing, Capping, and Decamping Machine – A specialized device for securely sealing and opening vials in laboratory and pharmaceutical applications.

5. Ampoule Clarity Test Apparatus – Ensures visual clarity and purity of ampoule-contained solutions under standardized testing conditions.

6. Transistor Characteristics Apparatus – A complete setup for analyzing transistor properties, including current gain and saturation levels.

7. Water Still Barnstead Type (Table Model) – High-purity water distillation unit ensuring contamination-free laboratory water supply.

8. Digital Leak Test Apparatus – Precision instrument for testing air and gas leaks in sealed containers, ensuring quality control.

9. FET Characteristics Apparatus – Used for studying the electrical behavior and characteristics of Field Effect Transistors (FET).

10. Tablet Disintegration Double Test Apparatus – A pharmaceutical testing device that evaluates tablet disintegration time in compliance with USP/BP standards.

11. Carbon Sulphur Apparatus – Determines carbon and sulfur content in metals and alloys through combustion and gas analysis techniques.

12. Triple Beam Balance – A high-precision weighing device used for accurate mass measurement in laboratory settings.

13. Digital Analytical Balance – Advanced electronic balance with high sensitivity and precision for laboratory and industrial use.

14. Pipe Friction Apparatus (Re-Circulation Type) – Used in fluid mechanics laboratories to study pressure losses due to friction in pipes under various conditions.

Petroleum Testing Instruments – Superior Quality for Accurate Analysis

Ensure precise and reliable testing of petroleum products with our comprehensive range of Petroleum Testing Instruments, designed for advanced laboratories and industrial applications. Crafted with superior quality materials and cutting-edge technology, these instruments meet the highest industry standards for accuracy and durability.

Key Instruments Include:

• Engler Viscometer Apparatus: Measures the kinematic viscosity of petroleum liquids with exceptional precision.

• Drop Point of Grease Apparatus (Superior Quality): Determines the drop point of greases, essential for assessing high-temperature performance.

• Smoke Point Apparatus (Superior Quality): Evaluates the smoke point of fuels, critical for combustion efficiency analysis.

• Open Flash Fire Point Apparatus: Accurately determines the flash and fire points of petroleum products under open conditions.

• Cleveland Flash and Fire Point Apparatus (Superior Quality): Designed for precise determination of flash and fire points at elevated temperatures.

• Redwood Viscometer Multiple Apparatus: Measures the viscosity of petroleum oils with multiple units for enhanced productivity.

• Kinematic Viscometer Bath: Provides controlled temperature conditions for precise kinematic viscosity measurements.

• Digital Redwood Viscometers: Advanced digital models for accurate viscosity testing with easy-to-read displays.

• High Temperature Muffle Furnace: Ensures uniform heating for high-temperature testing applications.

• Junker’s Gas Calorimeter: Measures the calorific value of gaseous fuels with high accuracy.

• Digital Bomb Calorimeter Apparatus: Determines the calorific value of solid and liquid fuels digitally, ensuring precision.

• Standard Penetrometer Apparatus: Assesses the penetration hardness of greases and asphalt materials.

• Saybolt Viscometer Apparatus: Measures the flow time of petroleum oils with quick and accurate results.

• Pensky Marten Flash Point Apparatus: Designed for reliable flash point testing of combustible liquids under closed cup conditions.

Enhance your laboratory capabilities with our comprehensive range of Concrete Testing Equipment, designed to meet the highest standards in construction material testing. This versatile set includes essential tools for evaluating the strength, consistency, and durability of concrete and soil samples.

Key Components:

1. Cube Mould 15 cm - Precisely crafted for making concrete cubes of 15 cm dimensions, ideal for compressive strength testing.

2. Hot Plate (Round Shape) - A durable, round-shaped hot plate for maintaining sample temperatures during various testing procedures.

3. Core Drilling Machine - Efficient for extracting core samples from concrete, asphalt, and other materials for in-depth analysis.

4. Compression Testing Machine 2000 KN - High-capacity hydraulic machine designed to perform compressive strength tests on concrete cubes, cylinders, and other specimens with accuracy and reliability.

5. Cone Penetrometer for Soil - Essential for determining the penetration resistance of soil, helping assess its compaction and strength properties.

6. Slump Cone Apparatus - Measures the workability of fresh concrete, providing a simple yet effective assessment of consistency.

7. Vee Bee Consistometer - Measures the workability of very dry concrete mixtures, ensuring quality control in construction projects.

8. Concrete Rebound Hammer - A non-destructive testing tool used to assess the surface hardness of concrete, correlating with compressive strength.

9. Tile Flexure Testing Machine (Hand Operate) - Designed for testing the flexural strength of tiles, ensuring they meet durability standards.

10. Interlocking ISI Tile Testing Equipment - Specifically engineered to evaluate the mechanical properties of interlocking tiles, complying with ISI standards.

11. Digital Water Bath - Provides precise temperature control for curing and testing concrete and soil samples, enhancing test accuracy.

Enhance the accuracy and efficiency of your construction material testing with our comprehensive range of Civil Lab Equipment, designed for precise analysis of soil, concrete, and other construction materials. This advanced collection of tools ensures compliance with industry standards and supports detailed research and quality control processes.

Key Components:

1. Flow Table Operator - Designed to measure the flow of fresh concrete, ensuring proper workability and consistency for quality construction.

2. Shrinkage Bar Mould Three Gang - Facilitates the measurement of shrinkage in concrete specimens, helping assess durability and long-term performance.

3. Core Cutter Apparatus with Dolly and Rammer - Efficient for extracting core samples from concrete for compressive strength testing, with a sturdy design for consistent results.

4. DC Power Supply - Provides stable and adjustable electrical power, essential for operating various laboratory testing equipment with precision.

5. Briquette Mould Three Gang - Used for preparing briquette samples for testing the tensile strength of materials, particularly for bituminous mixes.

6. Rodometer Freeman Measuring Wheel for Distance Measurement - A durable wheel for accurate distance measurement in field surveys and laboratory settings.

7. Blood Cell Counter - (Assuming a specialized lab application, though not typical for civil labs; could be for specialized material testing involving fluid dynamics.)

8. Pensky Martin Apparatus - Designed for determining the flash point of fuels and other volatile materials, critical for safety and quality control.

9. Glass Pycnometer Bottle - Essential for measuring the specific gravity of liquids and fine powders with high precision.

10. Core Cutting Machines - Advanced machines for cutting concrete and asphalt cores, providing uniform samples for strength testing.

11. Compaction Factor Apparatus - Measures the compaction of concrete mixtures, indicating their workability and density under controlled conditions.

12. CBR Testing Machine (California Bearing Ratio Testing Machine) - Evaluates the strength of subgrade soil and base materials, essential for pavement design and road construction.

13. Vicat Needle Apparatus - Used to determine the setting time of cement, ensuring the correct application and curing in construction projects.

14. California Bearing Ratio (CBR) Testing Machine - A critical tool for assessing the load-bearing capacity of soil, aggregates, and subgrades in road construction and foundation works.

Enhance your fieldwork with our premium Survey and Safety Equipment, meticulously designed for accuracy, durability, and safety. This comprehensive collection caters to the needs of surveyors, engineers, and construction professionals, offering reliable tools for precise measurements and robust safety gear for secure operations.

1. Antique Brass Telescope - A classic, fully brass telescope perfect for traditional surveying, astronomical observations, and decorative purposes. Its durable construction ensures longevity in field conditions.

2. Plane Table Surveying 22 mm Board (Superior Quality) - A high-quality, durable board designed for accurate field mapping and layout tasks, offering a stable surface for precise plane table surveying.

3. Leveling Staff (6 Meter) - A long, sturdy staff designed for precise leveling and height measurements, crafted for durability in outdoor conditions.

4. Brunton Compass (Fully Brass) - A traditional, fully brass compass for accurate directional measurements, ideal for topographic surveys and outdoor navigation.

5. Aluminum Tripod Stand - Lightweight yet strong, this aluminum tripod provides stable support for surveying instruments, ensuring consistent accuracy in any terrain.

6. Sokkia Auto Level B40A - A precision auto level designed for accurate leveling tasks, featuring advanced optics and easy operation for efficient fieldwork.

7. Plane Table Surveying with Aluminum Stand - A versatile plane table set with a durable aluminum stand, perfect for accurate mapping, layout, and surveying tasks in the field.

8. Vernier Transit Theodolite - A high-precision theodolite for measuring horizontal and vertical angles with great accuracy, suitable for advanced surveying applications.

9. Leica Auto Level NA320 with Aluminum Tripod - A top-of-the-line auto level with advanced optics and a sturdy aluminum tripod, offering exceptional accuracy for leveling and surveying projects.

The V-Tech Digital pH Meter is an advanced and high-precision pH measurement instrument designed for laboratories, water treatment plants, and industrial applications. Featuring models like LMPH10H, LMPH9, LMPH15, and Microprocessor pH MV Temperature Meter, it ensures accurate and reliable pH, mV, temperature, and conductivity readings.

This Portable Digital pH Meter is ideal for both field and laboratory use. It includes pH ORP Electrodes for enhanced performance and supports Online pH Controller functionality for real-time monitoring. The Digital Conductivity Meter option provides additional conductivity measurements for industrial applications.

For advanced analysis, the COD Analyzer with Digester ensures precise chemical oxygen demand testing, making this meter suitable for a wide range of scientific and industrial processes.

• Accurate pH Measurement – Wide 0.00 to 14.00 pH range with high precision.

• Microprocessor-Based Operation – Ensures fast and reliable pH, mV, and temperature readings.

• Digital LCD/LED Display – Clear and easy-to-read output for efficient monitoring.

• Portable & Laboratory Use – Available as a Portable Digital pH Meter or benchtop model.

• Multiple Calibration Options – Supports 2-point and 3-point calibration for accurate results.

• Online pH Controller – Compatible for real-time pH monitoring in industrial applications.

• pH ORP Electrodes – High-quality electrodes for long-lasting performance.

• Temperature & Conductivity Measurement – Built-in temperature compensation and optional conductivity measurement.

• Durable & User-Friendly Design – Suitable for research, industrial, and environmental testing.

• Compatible with COD Analyzer with Digester – Ideal for chemical and wastewater analysis.

• Water Quality Testing & Treatment

• Chemical & Pharmaceutical Industries

• Food & Beverage Processing

• Environmental & Wastewater Analysis

• Educational & Research Laboratories

• Industrial Process Monitoring

The V-Tech Digital Moisture Meter is a high-precision moisture analysis instrument designed for agriculture, food processing, pharmaceuticals, and industrial applications. With Infrared Moisture Balance technology, it delivers fast, accurate, and reliable moisture content measurements.

This Digital Moisture Testing Machine is available in both handheld and benchtop models, making it suitable for on-site and laboratory use. The Moisture Analyzer features an easy-to-read digital display, providing real-time data for efficient analysis.

Additionally, it is compatible with the Universal Moisture Meter Digital and Universal IC Tester, enhancing its application scope. The Handy Digital IC/Memory Tester function ensures integration with industrial testing requirements.

• Precise Moisture Analysis – Measures 0% to 99% moisture content with high accuracy.

• Infrared Moisture Balance Technology – Ensures fast and reliable moisture determination.

• Digital Moisture Testing Machine – Provides clear digital LCD/LED display for easy monitoring.

• Portable & Benchtop Options – Suitable for field and laboratory applications.

• Automatic & Manual Calibration – Ensures highly accurate results.

• Universal IC Tester Compatibility – Supports integration with IC and memory testing systems.

• Moisture Analyzer Function – Ideal for food, agriculture, chemicals, and pharmaceuticals.

• Handy Digital IC/Memory Tester – Ensures efficient electronic moisture evaluation.

• Multi-Purpose Application – Can be used for grains, powders, textiles, and industrial materials.

• Durable & User-Friendly – Compact, lightweight design for long-term performance.

• Agriculture & Grain Moisture Testing

• Food Processing Industry

• Pharmaceutical Industry

• Industrial Moisture Control

• Research & Laboratory Analysis

• Textile & Paper Industry

The V-Tech Biology Lab Equipment and Models are designed for educational and research applications, providing high-quality tools and anatomical models for effective learning. From detailed anatomical structures like the Human Brain Model and Female Pelvis Model with Muscles to advanced electronic lab equipment such as the Semiconductor Diode Apparatus and FET Characteristics Apparatus, this collection ensures a complete biology lab setup.

Our Microscopic Histology Slides offer clear, high-resolution specimens, essential for medical training and biological research. The Female Breast Model and other anatomical models provide a hands-on learning experience for students and professionals in medical, nursing, and biology fields.

Built with precision and durability, these laboratory instruments enhance scientific exploration and research efficiency.

• Comprehensive Lab Equipment – Includes microscopes, anatomical models, and electronic lab tools for various scientific studies.

• High-Quality Anatomical Models – Features Human Brain Model, Female Pelvis Model with Muscles, and Female Breast Model for medical education.

• Microscopic Histology Slides – Provides detailed biological specimens for in-depth study.

• Advanced Electronic Lab Apparatus – Equipped with Semiconductor Diode Apparatus and FET Characteristics Apparatus for circuit analysis and semiconductor studies.

• Ideal for Educational & Research Institutes – Perfect for biology, medical, and electronics laboratories.

• Durable & Reliable – Made with high-quality materials for long-term use in academic and professional settings.

• Medical and Biological Studies

• Educational Training in Schools & Colleges

• Medical and Nursing Institutes

• Biotechnology and Biomedical Research

• Electronic and Semiconductor Experiments

The V-Tech Laboratory Polarimeter & Refractometer is designed for precise optical measurements in scientific research, pharmaceutical, food, and chemical industries. This range includes Bestco Disk Polarimeter, Student Polarimeter Biquartz, and Student Polarimeter Half Shade for measuring optical rotation in optically active substances.

For refractive index measurement, the Hand Auto Refractometer and Abbe Refractometer provide high-accuracy readings for sugar content, chemical solutions, and industrial fluids. These instruments are made from high-quality optical glass and durable metal, ensuring long-lasting performance and precision.

Used in chemical analysis, sugar industries, essential oil testing, and laboratory research, these instruments ensure reliable and repeatable results.

• High-Precision Optical Measurements – Designed for accurate determination of optical rotation and refractive index.

• Wide Range of Instruments – Includes polarimeters for optical rotation and refractometers for refractive index analysis.

• Durable & Reliable – Made with high-quality optical glass and metal construction for long-term use.

• Manual & Automated Options – Suitable for students, research labs, and industrial applications.

• Versatile Applications – Ideal for food industry, pharmaceuticals, chemical analysis, and research laboratories.

• Compact & Easy to Use – User-friendly design for quick and efficient measurements.

• Highly Accurate Readings – Ensures precise analysis of solutions, essential oils, and industrial fluids.

• Pharmaceutical Industry – Drug formulation & purity testing

• Food & Beverage Industry – Sugar content measurement

• Chemical Laboratories – Optical activity and refractive index analysis

• Educational & Research Institutes – Optical experimentation and study

• Essential Oil & Aroma Industry – Purity testing of oils

A Thermoreactor is a laboratory device used to heat chemical samples at precise temperatures for fixed durations, commonly in the digestion step of water and wastewater analysis (e.g., COD, total phosphorus, and total nitrogen testing). It ensures consistent and controlled thermal reactions.

Key Features:

1. Precise Temperature Control – Maintains stable heating, typically between 100°C to 180°C.

2. Multiple Digestion Programs – Pre-set and customizable heating profiles for various tests.

3. Safety Features – Includes overheating protection, insulated casing, and auto shut-off.

4. Digital Interface – Easy-to-use display for temperature and timer settings.

5. Multi-Sample Capacity – Heats multiple reaction vials simultaneously for batch processing.

6. Essential for COD Testing – Commonly paired with photometers for complete chemical analysis.

The Human Liver Model is a life-size anatomical replica designed to demonstrate the external and internal structures of the human liver. It includes key features such as the right and left lobes, gallbladder, hepatic veins, and bile ducts. Crafted from durable, medical-grade PVC, the model is hand-painted for visual clarity and is an ideal tool for anatomy classes, patient education, and clinical training.

1. Life-size or magnified liver anatomy with precise detailing

2. Includes gallbladder, hepatic veins, and bile ducts

3. High-quality PVC material for durability and easy cleaning

4. Realistic, hand-painted finish in anatomical colors

5. Mounted on base for easy handling and display

6. Perfect for medical education, diagnostics, and demonstrations

• Medical and nursing training institutes

• Classroom anatomy education

• Patient consultation in hepatology and surgery

• Hospital and diagnostic center displays

• Pharmaceutical and medical device training sessions

A specialized obstetric training model designed to teach and practice the four Leopold maneuvers for assessing fetal position and presentation during pregnancy. This simulator helps learners gain confidence in prenatal abdominal examination techniques through realistic fetal and maternal anatomical landmarks.

1. Life-like abdominal wall with fetal model

2. Simulates various fetal positions (cephalic, breech, transverse)

3. Soft, flexible skin for realistic palpation

4. Clear anatomical landmarks for each maneuver

5. Durable, hygienic materials for repeated use

6. Lightweight and portable for easy transport and setup

The Table Tap Quick Pallet Press is a compact and efficient pressing device used for forming, compressing, or assembling small components and materials. Ideal for labs, workshops, and production lines, it offers quick, manual or semi-automatic operation with consistent pressure application.

1. Compact Tabletop Design – Space-saving and portable for benchtop use.

2. Quick Press Mechanism – Delivers fast, uniform pressure for high productivity.

3. Adjustable Pressure Control – Allows fine-tuning for different materials and tasks.

4. Sturdy Construction – Built with durable materials for long-term performance.

5. User-Friendly Operation – Simple controls for ease of use with minimal training.

6. Versatile Application – Suitable for pressing pellets, assembling parts, and forming samples.