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Detector: He-3
Energy range: from thermal neutrons to 14 MeV
Dose equivalent rate (DER) measurement range: from 1.0 to 5000 μSv/h (by Pu-α-Be source in collimated radiation)
Count rate indication range in the search mode: from 1 to 4000 cps
DER measurement accuracy: ± (30 + K/Ḣ) %, where Ḣ – DER value, μSv/h; K – coefficient = 10.0 μSv/h
Thresholds: from 1.0 to 5000 μSv/h
Instrument sensitivity:
For Pu-α-Be: 0.65 impulses·cm²
For thermal neutrons: 4.5 impulses·cm²
Alarm Type: visual, audible
Data transfer: USB or RS-485 interface
Dimensions: 230 × 63 mm
Weight: 0.7 kg
Ingress protection: IP65
Drop test on concrete floor: 0.7 m
Mean recovery time: 60 min
Mean service lifetime: 10 years
Atmospheric pressure: from 84 to 106.7 kPa
Operating temperature: from -20 to +50 °C
Humidity: up to 95 % at 35 °C
Supply voltage: 3.7 V (–0.1; +0.5) V
