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The Geiger measures beta, gamma, and x-rays. With each
radiation event a red light flashes and a beeper sounds.
(The beeper can be muted.) A cable and software for IBM
PC-compatible computers is available. The Observer software
expands monitoring and readout capabilities. A translucent
label allows you to see the Geiger tube, which fluoresces
(gives off light) in a dark room with an elevated radiation
level. The Geiger is a low-cost instrument designed for
schools and individuals.
Specifications
Detector
Glass Geiger-Mueller detector detects Beta, Gamma, and
X-rays. Sidewall density 50 mg/cm2 plus 15 mil Lexan window.
Operating Range
0-420,000 CPM
Beeper
Chirps for each count (can be muted).
Count Light
Red LED flashes with each count
Outputs
Dual miniature jack provides counts to a computer or data
logger. Submini jack provides audio output to an external
earpiece, amplifier, or tape recorder.
Power Requirements
One 9-volt alkaline battery. Typical battery life is 2000
hours at normal background radiation levels.
Weight
200 g (7 oz.) including battery.
Size
150 x 80 x 30 mm (5.9 x 3.2 x 1.2 inches).
Accessories
Support
Geiger
Operation Manual (pdf)
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