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 Contamination
 

Scalar: Counts up to 999*10⁵ max.

Scalar Time Intervals: 1, 5 and 20 minutes.

Radiation Detected: Gamma > 15 keV; Beta  > 70 keV.

Detector: Halogen quenched GM Tube, 1.1 cm diameter, 2 mg/cm² mica window, 1/8" lead tube shielding. 3 mg/cm² mylar tube guard. Efficiency: approximately 6 cpm/kdpm for Tc-99m.

Detector Voltage: 500  volts regulated.

Background Voltage: 24 cpm max. in 20 minute count.

Environmental Limits: -20 to 50 degree Celsius, 90% rh, 10,000 ft. alt.

Power: 18 volts, UL approved external 115 VAC power adapter

Size: 6" wide * 6" deep * 4" high

Weight: 2 lbs.