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3Не – neutron counter

It can be used as an analogue of the counter SNM-18-1

Corona counter

Main characteristics

Operating mode

Corona discharge

Effective length mm 265
Pressure of filling gas mixture аtm 4,6
Operating voltage (recommended) V 2500
Ignition voltage corona discharge V 1450 ÷ 1700
Plateau length V 1000
Plateau slope % / V 0,3
Average current corona discharge μА 25
Own background count / s 0,08
Variation of sensitivity regarding the control sample % 10 max
Registration efficiency of thermal neutrons % 70
Operating temperature range °С -50 ÷ +150
Insulation resistance Ω 1×1010 min




Overall dimensions

neutron counter overall dimensions


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