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This easy-to-operate instrument monitors radiation in hospitals, research labs, power plants and mines. Handheld and lightweight, the Model 4E monitor conveniently checks for contamination on countertops, clothing and equipment surfaces. The 4E radiation monitor offers good sensitivity, fast response and functional versatility. It detects alpha, beta, gamma and X-rays. The analog meter is scaled in CPM (counts per minute) or mR/hr (milli-Roentgens per hour), and the XI, X10, X100 switch extends the effective measurement range.

Key Features

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  • Detect alpha, beta, gama, X-rays.

Technical Specifications

Energy Detects alpha to 2.5 MeV,
Sensitivity : 80% efficiency at 3.6 MeV Detects beta at 50 keV with 21% efficiency Detects beta at 150 keV with 75% efficiency Detects gamma and X-rays to 10 keV through the end window, 40 keV minimum through the case
Ranges 0 to 0.5, 0 to 5, 0 to 50 mR/hr 0 to 500, 0 to 5,000, 0 to 50,000 CPM
Power 9-volt battery, up to 2,000 hours operation

Dimensions

  US Metric
Dimensions 5.7 x 2.8" x 1.5"" 145 x 71 x 38 mm

Weight

  US Metric
Weight 6.3 lbs 178 g