Instrumentation

• The Elcometer VT-224 provides the very latest in surface profile measuring technology for measuring profile on either flat or curved surface.

• Fast, accurate and very user-friendly, the Elcometer is available in two different models: Model B and Model T.

• Each gauge provide users with increasingfunctionality - from the entry-level Model B to the top-level Model T, withmemory, alpha-numeric batching and Bluetooth® communication.

• Integral gauges are ideal for single-handed operation as the wide footprint of the internal probe provides greater stability during measurement - allowing forconsistent, repeatable and accurate results.

• Whichever is the greater using default settings lithium batteries supplied, alkaline or rechargeable batteries may differ.

• For separate gauges, the test foils, glass zero tile and protection cap are supplied with the separate probe.

 Nunes Instruments , 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 Dual Trace Oscilloscope is a high-performance diagnostic tool designed to provide precise waveform analysis for a variety of electrical and electronic applications. Equipped with two input channels, it allows users to view and compare two signals simultaneously, making it ideal for troubleshooting and testing complex circuits. This oscilloscope is perfect for engineers, technicians, and hobbyists working with analog and digital circuits.

Key Features:

• Dual Channels (Two Traces): View and analyze two independent signals in real-time, offering greater flexibility in measurements.
• Wide Bandwidth: Supports a broad frequency range to measure a variety of signals, from low to high-frequency applications.
• High Sample Rate: Fast data acquisition for accurate waveform display and real-time analysis.
• Time Base Control: Adjust the horizontal time scale for viewing waveforms over different time intervals, making it easy to analyze both fast and slow signals.
• Voltage Sensitivity (Vertical Sensitivity): Allows users to adjust the vertical scale, accommodating different signal amplitudes.
• Triggering Capabilities: Precise control over when to start signal capture, ensuring stable and clear waveforms even for complex signals.
• Portable Design: Compact and lightweight, ideal for both laboratory use and field applications.
• User-Friendly Interface: Clear, easy-to-read display with intuitive controls and measurement markers.
• Multiple Measurement Modes: Includes options for displaying waveforms in various modes, such as normal, XY, and persistence.
• Auto/Manual Mode: Supports both automatic measurements for quick diagnostics and manual adjustments for detailed analysis.

The V-Tech Index Apparatus is a precision-engineered device designed for accurate measurement, alignment, and indexing applications. Crafted with high-quality materials, this apparatus ensures durability, reliability, and high performance in various industrial and laboratory settings.

Key Features:

• High Precision: Provides accurate indexing and alignment for precision-based tasks.

• Durable Construction: Built with robust materials to withstand demanding environments.

• User-Friendly Design: Ergonomically designed for easy handling and operation.

• Versatile Application: Ideal for machining, metrology, and laboratory experiments.

• Stable & Secure: Ensures firm positioning and minimal deviation in measurements.

A PVC Pipe Opacity Testing Meter is a specialized instrument designed to measure the opacity or translucency of PVC (Polyvinyl Chloride) pipes. This test is crucial in ensuring that the pipes meet industry standards for visual quality and performance. Opacity testing is particularly important in applications where the pipes are exposed to sunlight, UV radiation, or where visual inspection is required, as high opacity can affect the pipe’s ability to block light, potentially preventing the growth of algae or fungi in applications like water transportation.

Key Features:

• Precise Opacity Measurement: The PVC Pipe Opacity Testing Meter is specifically calibrated to measure the opacity of PVC pipe materials with high precision. It quantifies the degree to which light is blocked or transmitted through the material, providing a reliable measurement of its opacity level.

• Simple Operation: The device is easy to use, typically involving placing the pipe sample in the meter, where the device will measure the opacity or light transmittance and display the results digitally. Some models feature a single-button operation, allowing for quick testing with minimal setup.

• Digital Display: The meter comes with a digital interface that displays the opacity percentage or light transmission data, making it easy for operators to read and interpret results. Some models also provide additional statistics, such as average opacity readings for multiple tests.

• Calibration for PVC Materials: Designed specifically for PVC pipes, the meter is calibrated to account for the unique properties of PVC. It ensures that the measurements are accurate and suitable for evaluating whether the pipe meets the relevant industry standards for opacity.

• Portable and Lightweight: The device is typically compact, lightweight, and portable, making it suitable for use in both laboratory and field settings. It is designed to be easy to carry around and use in various testing environments.

• Non-Destructive Testing: The opacity test is non-destructive, meaning that the PVC pipes remain intact and can be reused after testing. This is crucial for quality control in manufacturing, as it allows testing without wasting materials.

• Multiple Testing Modes: Many PVC Pipe Opacity Testing Meters offer different testing modes to evaluate opacity under various conditions, such as different light sources or varying pipe wall thicknesses, providing more comprehensive data on the material’s opacity.

• Durable Construction: Made with high-quality materials, the testing meter is designed to be durable and resistant to wear and tear from regular use in harsh environments.

• Battery Operated: Most models are battery-operated, offering portability and ease of use without the need for a constant power supply. Battery life is typically long, and some models include a low battery indicator.

The Aggrameter® T-T-100 is a handheld microwave moisture meter designed for the rapid and non-destructive determination of moisture content in sand, fine aggregates, and coarse aggregates. Utilizing advanced microwave and microprocessor technology, it provides accurate moisture readings instantly upon insertion of its probe into the material.

 Key Features:

1. Instantaneous Moisture Measurement
   Quickly determines moisture content as a percentage of dry weight, ensuring efficient testing processes.

2. User-Programmable Calibration
   Factory-calibrated for sand and aggregate; allows programming for up to 10 different materials to enhance accuracy.

3. Extensive Data Storage
   Stores over 1,000 readings, complete with time and date stamps, facilitating comprehensive data analysis.

4. USB Connectivity
   Enables easy data transfer to a personal computer for inclusion in quality control reports or further analysis.

5. Portable and Ergonomic Design
   Lightweight at 1.8 kg (4 lbs) with an extension pole up to 36 inches, reducing user fatigue during field operations.

6. Customizable Software Integration
   Compatible with Aggralinx® software for Windows 7, 8, or 10, allowing customization for specific materials and enhancing measurement accuracy.

A Hot Wire Anemometer with Data Logger is an advanced device designed for precise measurement of air velocity and temperature. It uses a heated wire sensor to detect changes in airflow and records data for later analysis. Ideal for HVAC systems, industrial applications, and environmental monitoring, it combines real-time measurement with long-term data storage.

Key Features:

1. Accurate Airflow Measurement: Measures air velocity, temperature, and flow rate with high precision.
2. Data Logging: Built-in data logger to store measurement data for later review or export.
3. Wide Measurement Range: Capable of measuring low to high air velocity ranges.
4. Real-time Display: Provides immediate feedback on air velocity and temperature on an LCD screen.
5. Easy Data Transfer: Supports USB or Bluetooth connectivity for easy data transfer to computers or mobile devices.
6. Compact and Portable: Lightweight design for easy handling in various environments.

The Non-Contact Voltage Tester is an essential tool for electricians, DIY enthusiasts, and homeowners to quickly and safely detect live electrical voltage without direct contact. With advanced sensor technology, this tester can identify voltage presence in outlets, switches, circuit breakers, and wiring, ensuring safety and efficiency in electrical work.

Key Features:

• Non-Contact Detection: Safely detects AC voltage from 12V to 1000V (or 48V to 1000V, depending on model) without touching live wires.
• Visual & Audible Indicators: LED light and beeping alarm signal voltage presence for easy identification.
• Dual Voltage Mode: High and low sensitivity settings allow for versatile use in different electrical environments.
• Auto Power Off: Extends battery life by shutting down after a period of inactivity.
• LED Flashlight: Built-in bright flashlight for working in dimly lit areas.
• Ergonomic & Pocket-Sized Design: Compact, lightweight, and easy to carry for on-the-go use.
• Battery Operated: Runs on standard AAA batteries (included in some models).
• Safe & Durable: Built with CAT II 1000V/CAT III 600V safety rating for added protection.

The Digital Leak Test Apparatus is an advanced, precision tool designed to detect and measure leaks in a variety of systems, such as gas pipelines, containers, and pressurized components. Built with cutting-edge technology, this apparatus offers highly accurate, repeatable results, making it ideal for industries such as manufacturing, automotive, aerospace, and HVAC.

Key Features:

1. High Precision Digital Readout: The device is equipped with a digital display that provides clear, real-time readings of pressure and leak rates. It ensures accurate detection of even the smallest leaks in your system.

2. Wide Range of Sensitivity: With its adjustable sensitivity settings, the apparatus is capable of detecting leaks in a broad range of pressures and fluid types, from micro leaks to larger flows.

3. User-Friendly Interface: The intuitive interface makes operation simple. The apparatus is designed for ease of use with minimal setup time. The digital screen and controls provide immediate feedback to help the user understand results clearly.

4. Automatic Leak Detection: The system automatically starts the test sequence once configured, ensuring a hands-free testing process. It then compares current readings with pre-set thresholds, triggering alerts if a leak is detected.

5. Comprehensive Data Logging: It comes with built-in memory and data logging capabilities, allowing for the storage of test results for future reference, quality control, or regulatory compliance. Data can be exported for further analysis.

6. Calibration & Accuracy: The apparatus includes a calibration function, which ensures that the equipment maintains the highest accuracy standards over time, ensuring reliable results across multiple uses.

The Hipot Tester is a critical safety testing instrument designed to measure the dielectric strength of electrical insulation by applying a high voltage to electrical components and systems. This device is crucial for ensuring that electrical equipment, from transformers to motors, is properly insulated and capable of handling the required voltage levels without risk of electrical failure or hazard. Whether used in manufacturing, product development, or quality control, the Hipot Tester helps guarantee the safety and reliability of electrical systems.

Key Features:

• High Voltage Testing: Capable of applying high voltages (ranging from 500V to 5000V or more, depending on the model) to test the dielectric strength of electrical insulation.
• Safety Standards Compliance: Designed to meet IEC, UL, or other relevant safety standards, ensuring that testing procedures comply with industry regulations.
• Multiple Test Modes: Includes various testing modes such as AC, DC, and Insulation Resistance testing for flexibility in testing different types of equipment.
• Precise Voltage Control: Allows for fine-tuning of the voltage applied, ensuring accurate testing and preventing over-voltage during operation.
• Automatic Test Functions: Some models feature automatic test cycles, simplifying the testing process by reducing human error and enhancing efficiency.
• Digital Display: Clear, easy-to-read digital display shows real-time voltage and insulation resistance readings, providing immediate feedback during testing.
• Overload Protection: Features built-in safety mechanisms to prevent damage to the tester or the device being tested in case of an overload or fault.
• Compact and Portable: Lightweight and easy to transport for field testing or in-lab use.
• Storage of Test Results: Some advanced models allow for the storage and downloading of test results for later analysis or compliance reporting.
• Audible and Visual Indicators: Provides both audible and visual alerts for test completion or failure, ensuring users are immediately informed of any insulation issues.

Product Description

The Thermo Anemometer is a compact and reliable tool designed for simultaneous measurement of air velocity and ambient temperature. Ideal for HVAC diagnostics, environmental monitoring, and outdoor applications, this device offers multi-unit speed readings and precise temperature sensing via an NTC thermometer.

It features a broad airspeed range up to 30 m/s and temperature monitoring from -10°C to 45°C, making it suitable for diverse environmental conditions. Its lightweight and handheld design ensures portability, while the intuitive unit conversion options and low power consumption make it ideal for field use.

Key Features

• Measures air speed in five selectable units: m/s, ft/min, km/h, mph, and Knots

• Wide temperature and velocity range with high resolution

• ±5% accuracy for airspeed; ±2°C for temperature

• Compact, ergonomic design with low battery usage (~3 mA)

• NTC sensor ensures fast and reliable temperature readings

• Converts between °C and °F with ease

• Ideal for HVAC, environmental studies, and fieldwork

Applications

• HVAC system airflow analysis

• Weather monitoring and research

• Ventilation performance testing

• Agricultural greenhouse and tunnel assessments

• Laboratory and educational experiments

• Marine and aviation wind speed estimation

Product Description

The Winding Resistance Meter is a precision instrument engineered for the accurate measurement of winding resistance in highly inductive components such as power transformers, HT motors, reactors, and generators. It features a built-in high-current DC power source (up to 25A at 50V) capable of driving even large windings for stabilized and fast readings.

Equipped with 2 or 3 independent channels, the meter allows simultaneous resistance measurements across different windings, significantly reducing test time. The auto-ranging capability and high accuracy (±0.1%) ensure reliable and efficient operation in field and lab environments.

To address safety and accuracy when dealing with inductive elements, it includes automatic demagnetizing and fast discharge circuits, ensuring the equipment and the operator remain protected during and after testing.

Key Features

• Measures resistance up to 2000 Ω with high accuracy

• High current DC output (e.g., 25A/50V) for heavy inductive loads

• Digital 4.5-digit LED display for clear readings

• Multiple channels (2 or 3) for multi-winding testing

• Auto-ranging and auto demagnetizing functionality

• Built-in fast discharge protection circuit

• Operates on standard 230V AC, 50Hz power supply

Applications

• Power transformer testing and maintenance

• HT motor and generator resistance measurement

• Reactor and choke testing in substations

• OEM and QA testing in electrical manufacturing

• Utility, industrial, and service provider diagnostics

An Impulse Defibrillator Tester is a precision device used to evaluate the safety and effectiveness of defibrillators by simulating cardiac impedance and measuring energy output, waveform accuracy, and charge time. It is vital for biomedical engineers and healthcare facilities to ensure defibrillator reliability and compliance.

Key Features (6 Points):

1. Accurate Energy Measurement: Tests energy output up to 360 joules for both manual and AED units.

2. Waveform Analysis: Evaluates monophasic and biphasic waveform conformity to standards.

3. Simulated Chest Load: Mimics human impedance (e.g., 50Ω) for realistic performance testing.

4. Charge Time Verification: Measures time taken for defibrillator to charge to set energy.

5. Portable & Battery Operated: Lightweight and ideal for field or hospital use.

6. Data Logging: Records test results for compliance documentation and quality assurance.

This 60-meter laser range meter offers a compact and efficient solution for quick and accurate measurements in a variety of applications. Designed to balance precision with portability, it features a wide range of functions including area, volume, and indirect measurements using Pythagorean principles.

Equipped with a Class II laser (620–690 nm) and protected with an IP54-rated housing, this device ensures reliable performance in construction sites and indoor environments alike. It operates effectively across a broad temperature range and includes a memory function for storing recent readings, making it both versatile and user-friendly.

Key Features

• Accurate measurement up to 60 meters with ±1.5 mm or ±2 mm accuracy

• Supports advanced measuring modes including Pythagorean and continuous scan

• Class II visible laser ensures safe, high-precision targeting

• Durable IP54-rated housing for protection from dust and water splashes

• Operates in a wide temperature range for field versatility

• Data storage function for tracking past measurements

• Compact, lightweight design ideal for pocket carry and one-hand operation

• Simple power setup with two AAA batteries

Applications

• Residential and commercial interior measurements

• Civil engineering, architecture, and renovation projects

• Electrical and plumbing route planning

• Site inspection, layout verification, and real estate assessment

• DIY measurement tasks requiring moderate range