CV2247 GM tube
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This tube measures 125x32mm overall |
This GM tube was used in the British Contamination Meter, No. 1.
Threshold voltage (at 20°C) | 315 to 375V |
Operating voltage (at 20°C) | 355 to 415V |
Plateau slope (per volt) | 0.07% av, 0.15% max |
Plateau length | 150V av, 90V min |
Operating temperature range | -55 to +50°C |
Useful life | >109 counts |
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