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LB 1236 – dose rate probe

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The LB 1236 is a high-performance probe for dose rate environmental dose equivalent H*(10) that is based on proportional counters. Fits LB 134 and LB 123. The probe can also be mounted to Berthold’s instrument for stationary monitoring LB 115.

63998 – LB 1236 D-H10 (intended for LB 134)
39581 – LB 1236-H10 (intended for LB 115)

19440 – Wall mount bracket for LB 1236

Data sheet


Stefan Mårtensson


Technical specification

Detector: Proportional counter
Measured unit: H*(10)
Measuring Range: 50 nSv/h – 10 mSv/h
Energy Range 30 keV – 1.3 MeV
Intrinsic background: < 0.1 cps
Calibration Factor: 0.214 μSv/h per cps
External dimensions: 50 mm Ø x 275 mm
Weight: 0.46 kg
Temperature range:  -20 °C to +60 °C (operation), max. +60 °C (storage)
Relative humidity: 30 % to 90 %
Protection class: IP 65 (according to IEC 60529)
Dead time: 2,6 µs

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