The official Centronics ZP-1481 GM tube. This is a halogen quenched metal tube with a thin end window, for detecting alpha, beta and gamma radiation and recommended as a general purpose tube for use with general school radioactive sources. A plastic cap is fitted over the vents for protection.
- Sensitive to alpha, beta and gamma radiation
- Threshold voltage. (max.) 370V
- Plateau length (min.) 100V
- Operating temperature −55 to +74°C
- Dead time 100ÎS anode/cathode capacitance 3.5pF
- Sensitivity for 1mR/L radium 1650 counts per minute
- Window thickness 2.5mg per square cm
- Dimensions overall 76 x 26mm diameter
- For use with the GM tube stand (PY2039) and a suitable timer (EL10440)
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