Detection items: Rn-222 (Radon)
Detector: PIPS semiconductor detector
Measuring range: Radon in Air : 1~1000000Bq/m³
Radon in Soil: 100~1000000Bq/m³
Radon in Water : 0.002~1000.000Bq/L
Measurement method: alpha energy spectrum measurement
Temperature: -10 ~ 50℃, accuracy ±1℃
Humidity: relative humidity ≤90%, accuracy ±3%RH
Measurement Combined Uncertainty: ≤20% (when the radon concentration is not less than 200Bq/m³)
Measurement Time: 15-60min, can be set
Data Display: Color LCD
Storage: Flash (data in 1month)
Communication: RS485
Power: ≤ 60W
Host size: 280X220X145mm
Weight: about 10kg
Working Conditions
● Working Environment:
Temperature: 0°C~+45°C Relative humidity: not more than 90% (40 °C)
● Storage Environment:
Temperature: -20°C~+55°C Relative humidity: not more than 90% (40 °C).
● Power supply: AC 220V±10% 50Hz±1Hz, Power ≤60W
Electrical Interface
(1) The power supply of the radon meter adopts a trigeminal plug-in, and the points are defined as follows:
1-L line, 2-N line, 3-PE.
(2) 485 communication interface.
The measurement data of this instrument can be transmitted to other devices via RS485, the communication protocol is as follows:
1) The data transmission protocol conforms to the universal serial data communication protocol:
--Baud rate: 9600
--Check digit: NONE
--Data bits: 8
--Stop bit: 1
2) A total of 23 bytes of data are sent, all of which are ASCII codes, which are:
--Year, month and day, 6 bytes, each occupying two bytes;
--Hours, minutes and seconds, 6 bytes, each occupying two bytes;
--Radon concentration, 5 bytes; unit Bq/m³;
--Uncertainty, 4 bytes; unit Bq/m³;
--Measurement period, 2 bytes; the unit is minutes.