is designed for GR exposure rate measurement while GR logging and gamma-gamma logging within the wells at ore/coal deposits.
GGKM-43 tool is to be run with one-core and triple-core logging cable.
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Exposure rate measurements range, microrad/h: GR channel gamma-gamma channel |
5÷2000 5÷5000 |
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Permissible basic relative error limits for exposure rate measurements, % |
10 |
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Supply voltage (voltage stabilization), V |
55-65 |
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Output pulse: – GR channel amplitude, V (subzero amplitude) pulse length, mcs – gamma-gamma channel amplitude, V (subzero amplitude) pulse length, mcs |
2,5±0,5 15±1
2,5±0,5 15±1 |
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Radiation source |
Cs-137 |
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Main nominal error during GR exposure dose rate measurements |
±15 |
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Max. hydrostatic pressure, MPa |
20 |
|
Operating temperature range, °С |
-10… +80 |
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Tool dimensions, mm: diameter length |
43 2500 |
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Weight, kg |
12 |