Ranger Geiger Counter, high-end geiger counter measure all 4 types of ionizing

Description

Larger detector window and digital readout make this our most sensitive and accurate radiation meter for alpha, beta, gamma and X-rays. Simple to use in basic mode, plus advance features which allow the user to adjust the averaging time, switch from mR/hr to mSv/hr, and output data to computer or data logger. 3 modes of operation: mR/hr, CPM, total counts. 4-digit LCD readout, red LED count light and audible tone. Ruggedized, includes carrying Case, Xtreme Boot, Stand, Mini-USB Cable, Observer USB Software Download, Certificate of Conformance, and one year warranty. Requires 2 AA batteries. Made in USA
Specifications:
Detector
halogen-quenched uncompensated GM tube
Window
thin mica (1.4-2.0 mg/cm²); effective diameter 45mm
Averaging
display updates every 3 seconds; averages every 30 seconds or less
Ranges
CPM: 0 - 300,000
Total Counts: 1 - 9,999,000
mR/hr: 0.001 - 100
microSv/hr: 0.01 - 1000
CPS: 0 - 5000
Accuracy
mR/hr: ±15% from 0-50 and ±20% from 50-100
CPM: ±15% from 0-130,000 and ±20% from 130,000-300,000
Outputs
Dual miniature jack drives CMOS or TTL devices
Temperature
-10°C to +50°C
Size
140 X 68 X 33 mm
Weight
301 g (excluding battery)