Many police departments, fire departments and other emergency response agencies as well as hospitals, laboratories and industries use the Radalert 50. The digital display shows readings in your choice of counts per minute ( up to 50, 000 cpm) or mR/ hr ( up to 50 mR/ hr) or in accumulated counts. A red LED blinks and a beeper chirps with each count. FEATURES Digital LCD display Adjustable alert level Counts per minute, mR/ hr, or accumulated count Optional readout in mSv or microsievert ( mSv is millisievert) - mSv is special order ( replaces mR/ hr) Geiger Mueller detector Interface to a computer or data logger For Alpha, Beta, Gamma and X-rays Monitor personal radiation exposure Monitor an area or perimeter Detect radiation leaks Check for contamination Find radioactive items in the workplace or home Check for radioactive deposits in the ground Check for X-ray scatter Locate spills and lost materials Long battery life

Specification
Sensor : Halogen-quenched Geiger-Mueller detector
Mica end window density is 1, 5-2, 0 mg/ cm²
Side wall is 0.012" stainless steel
Detects alpha, beta, gamma and X-radiations
Display : 4-digit liquid crystal display with mode indicators
Operating : mR/ hr : 001-110
¼ Sv/ hr : 01-1, 100
Total : 0 - 9, 999, 000 counts
CPM : 0-350, 000
CPS : 0-3, 500
Timer : up to 40 hours
Calibration : Celsium 137 ( gamma )
Alert : User-adjustable alert level to 50 mR/ hr and 160, 000 CPM
Count light : Red LED flashes with each count
Audio : Beeper chirps for each count ( can be muted )
Output : Stereo 3.5 mm jack sends count to computer, data loggers,
other CMOS compatible devices and head-phones
Power : One 9-Volt alkaline battery ; average battery life is 2160 hours
at normal background, 625 hours at 1 mR/ hr with beeper off
Dimensions : 5.9" X 3.2" X 1.2" ( 149 X 81 X 30 mm )