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Scintillation detector: NaI(Tl) Ø70х150 mm
Energy range: 20 keV – 3 MeV
Typical sensitivity to gamma radiation, cps/(µSv·h^-1):
10000 (241Am)
3200 (137Cs)
1600 (60Co)
Minimal detectable gamma radiation dose rate level above background value 0.1 µSv/h in a period not longer than 2 s: 0.04 µSv/h
Detection threshold for unshielded source at 1 m height under natural radiation background conditions not more than 0.1 µSv/h (Distance to source 1 m, source travel speed 5 km/h, probability of source detection 80 % under confidence level Р=0.95):
2.3 MBq (241Am)
370 kBq (137Cs)
190 kBq (60Co)
Alarm:
Audio-visual alarm
Optional: audio-visual alarm units can be mounted away from the monitor (monitors) location site
False alarm rate: ≤1 for 8 h of continuous operation
Protection class: IР54
PC interface: RS485
Number of monitors connected to a single PC: From 1 to 32
Power supply options:
1) Mains, 110-230 VAC, 50-60 Hz
2) Rechargeable battery up to 6 h
Dimensions: Ø350х1220 mm
Weight: 13.5 kg
