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3He proportional counter offers the energy range from thermal neutrons to approximately 15MeV. This neutron-optimized model is widely used in advanced facilities related to neutron such as accelerator facilities. Two meters with analogue and digital also give better visibility for the measurement.


Radiation detected Neutron
Detector 3He proportional counter
Measurement range 0.01μSv/h to 10mSv/h
0.01μSv to 9,999μSv
Neutron sensititivy : approx. 1.4s-1/μSv・h-1
Gamma sensitivity : 0.1mSv/h or less (irradiationg with 10mSv/h)
Energy Approx. 0.025eV to 15MeV (complying with ICRP. 74response)
Display Analog 0.1μSv/h to 104μSv/h (5-digit log ratemeter)
Digital 0.01μSv/h to 9,999μSv/h
0.01μSv to 9,999μSv
(4-digit LCD)
Output Sound logic : TTL level
Recorder : DC0 to +10mV (0.1 μSv/h to 10mSv/h)
Power Lithium battery (K-BAT-18B)
Battery life 80 hours or longer in continuous use
Environmental requirements in operation Tempareture : -10 to +45 degrees C
Humidity : 90%RH or less (Non-condensing)
Dimensions Approx. (W) 21 x (D) 34 x (H) 25 cm
Weight Approx. 9 kg (incl. batteries)

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