RAA-3-01 "AlphaAERO" aerosol-based alpha-radiometer for radon
Measurement range for EROA (equivalent equilibrium radon/thoron decay product concentration), Bq/m³ — 1 ÷ 10⁶
Permissible relative measurement error for EROA, % — ±30
Radiometer sensitivity, Bq⁻¹·s⁻¹, at least — 0.15
Nominal air flow rate, L/min — 8.0
Deviation of air flow rate from the nominal value, % — ±5
Continuous operation time in autonomous mode, h, at least — 24
Intrinsic background level, s⁻¹, no more than — 0.01
Instability of readings over 24 hours of operation, % — ±5
Warm-up time (time to reach operating mode), s, no more than — 5
Power supply from built-in battery, V — 7.2
Power consumption, W, no more than — 5
Operating conditions: - ambient air temperature, °C - relative humidity at 30 °C (non-condensing), % - atmospheric pressure, kPa — 5 ÷ 40; up to 95; 84 ÷ 106
Overall dimensions (L×W×H), mm, no more than — 175×150×150
Weight, kg, no more than — 2.0
