RADIATION'SENSOR&!
BT70I!
USER’S!GUIDE!
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CENTRE FOR MICROCOMPUTER APPLICATIONS
http://www.cma-science.nl
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Short!description!
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Suggested!experiments!!
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Technical!Specifications!
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GM tube operating voltage
450 .. 650 V, fixed to about 500 V
Gas filling
Neon – halogen quenched
Cathode material
Fe – Cr (446 stainless steel)
Cathode wall thickness
0.25 mm
Mica window active diameter
9 mm
Mica window density
1.5 .. 2.0 mg/cm
2
GM tube active length
39 mm
Dimensions
138 x 58 x 33 mm
3
Operating temperature
0 .. 50 °C
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Warranty:!!
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Rev. 20/12/2015
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