Радиометр радона RTM-2300
Прибор RTM-2300 предназначен для измерения объёмной активности радона.
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Прибор RTM-2300 предназначен для измерения объёмной активности радона.
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Radon measuring chamber |
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| Measurement principle | Measuring chamber with high-voltage deposition on silicon detector and alpha spectroscopy |
| Detector
Intristic background |
4 x 200 mm² Si detector with HV chambers
< 0.2 Bq/m³ |
| Nominal flow rate | 0.5 l/min (> 72 hours continuously) |
| Internal volume | 250 ml (total volume of the air circuit) |
| Measuring range | 1 … 10 000 000 Bq/m³ |
| Measurement accuracy | <= 5 % |
| Sensitivity | 3.5 or 7 cpm/(kBq/m³) for fast or slow mode, respectively |
| Response time | 15 or 120 minutes for fast or slow mode |
| Measurement/Analysis | Radon air concentration fast (excluding Po-214) and slow (in- cluding Po-214)
Thoron air concentration Radon concentration in water samples |
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Internal sensors |
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| Standard device | Relative humidity 0 … 100 %, accuracy ± 2 % Temperature -20 … 40 °C, accuracy ± 0.5 °C
Bar. Pressure 800 … 1 200 mbar, accuracy 0.5 % MW Flow rate 0 … 4 l/min, accuracy ± 5 % Humidity/temperature sensors in the air circuit |
| Version Soil Gas | Differential pressure 0 … 10 mbar (for high permeability) Differential pressure 0 … 600 mbar (for low permeability) CO2 sensor 0 … 10 % (VAISALA) |
| Optional | Additional sensors with analog or pulse signals can be con- nected to the AUX1 and AUX2 sockets, e.g., local dose rate probe, weather station, and much more. |
| General information | |
| Measurement | Simultaneous measurement with all detectors/sensors ac- cording to the selected measurement program |
| Measurement programs | Storage of up to 16 different measurement programs with up to 32 steps (defined or unlimited repetition)
Time interval 1 second to weeks |
| Data storage | Micro SD, 32 GB |
| Operation/Display | 4,7” Color Touch-Screen |
| Interfaces | 2 independent digital communication channels Channel 1: USB, RS 232, RS 485 B
Channel 2: RS 485 A with MODBUS RTU, WLAN (optional) 2 analog outputs, assignable to any measured value and measurement range |
| Power supply | 12 V NiMH rechargeable battery (>72 hours continuously) Plug-in power supply 100-240 VAC ~50/60 Hz, 18 VDC / 1.8 A |
| Dimensions/Weight | 235 mm x 140 mm x 255 mm / 6 kg |
| Software | dVISION |
| GPS | Highly sensitive GPS receiver usually provides position even indoors; coordinates are stored simultaneously with the measured values. Map view in dVISION, export of GIS-com- patible KML files. |
| Environmental conditions | 0 … 40 °C
0 … 95 % RH, non-condensing 800 … 1 100 mbar |
| Scope of delivery | Charging power supply adapter
USB cable Dust filters (spare) Hose 6.35 mm x 3.18 mm (1.5 m) Fuse (spare) Transport case Manual & software (electronic) DAkkS-compliant calibration certificate according to DIN EN ISO/IEC 17025:2018 |
| Optional accessories | Water ingress protection (standard on “Soil Gas” version)
Soil gas set (impact probe and/or packer test) Exhalation bonnet Aqua kit for DACM32 for measuring radon in water Decay product measuring head for grab sampling (Markov) Measuring case with connections for hoses and power supply |
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