|Minimum Order Quantity||1 Piece|
Monitor 4 features easy-to-read analog meter, red light count, anti-saturation circuitry, and audible indicator- all in hand-held convenience. Great for checking for soft X-ray radiation, and for determining back-ground ionizing radiation (granite, porcelain, solar flares, natural radioactivity, etc.)
Check for radioactive contamination of clothing, food, water or imported goods.
Uses a halogen quenched uncompensated Geiger Mueller tube with a thin mica window. Detects alpha down to 2.5 MeV, 80+% efficiency at 3.6 MeV. Detects beta at 50 keV with 35% efficiency, and 150 keV with 75% efficiency. Detects gamma and X-ray down to 10 keV. Range of 0 – 50 mR/hr and 0-500 µSv/hr. Requires 9V battery. 1-year warrantee. Made in USA.