TECHNICAL SHEET
External supply voltage input : 100-240 VAC, 50-60 Hz RStone voltage input : 10 V, 1400 mA Temperature (storage and working) : 0°C – 40°C Relative humidity (storage and working) : 0% – 95% RH Battery life : 15 days typ. Storage capacity : 100 measurements of 1 year each Dimensions : 16x16x11 cm Weight : 1.8 kg
Radon concentration measurement
Measuring range 0 Bq/m3 … 5 MBq/m3 Sensitivity 5 count/h @ 100 Bq/m3 Uncertainty 20% after 4 h @ 150 Bq/m3 or after 1 h @ 500 Bq/m3 (coverage factor k=1) Blank count rate (null Radon concentration) 0.05 count/h (1.2 Bq/m3) Update rate 60 minutes Alert threshold 200 Bq/m3 (ref. Eur. Recc. 90/143/Euratom)
Other data Temperature full-scale range -40°C … +125°C Temperature resolution 0.04°C Temperature accuracy ± 0.3°C typ. Pressure full-scale range 50 kPa … 115 kPa Pressure resolution 0.15 kPa typ. Pressure accuracy ± 1 kPa typ. Relative humidity full-scale range 0% RH … 100% RH Relative humidity resolution 0.7% RH Relative humidity accuracy ± 2% RH typ.
Radio module Frequency 2433 MHz nominal Data rate 250 kbaud max. Channel bandwidth 200 kHz Maximum output power 0 dBm Modulation MSK
Battery Type Rechargeable Li-Ion Voltage 7.2 V Capacity 10 Ah Charge mode CC-CV Charge current 1100 mA max. Charge time 10 h typ.
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