TSRS / TSRS2
Radon Sensors TSRS (UART) and TSRS2 (RS485 – MODBUS)
Intelligent detectors of radon concentration with simple serial interfaces UART, RS485 – MODBUS and RELAY for easy implemention into third party system. Suitable for integration into smart buildings, industrial systems and systems of air quality. Connection of probe is always by 4 – wires, 2 wires are for serial half-duplex data or for relay and 2 wires for DC powering. Coupled with sensors are delivered descriptions of interfaces and protocols for easy development and implementation of processor program. Current values of radon concentration, temperature and humidity are possible to read from sensors and also set limit for switching of alarm relay. Also is possible to download time records of radon concentration and energy spectrum from sensor internal memory.
TSRS sensor has alarm RELAY and wired serial interface UART. RELAY is design for remote alarm signalization of crossing radon limit over 4-wires cable (severel 100 meters). UART interface is design for direct connection with processor unit for short distance (severel meters) over 4 –wires cable too. Powering from +5VDC to +12VDC.
TSRS2 sensor with wired serial interface RS485 is design for bus connection of more sensors with processor unit for long distance (severel 100 meters). Powering is in range +7VDC to +15VDC. Communication type and rate is possible to set by external switches as well as bus address of device.
| Product Specification | |
|---|---|
| Average measurement sensitivity | 0,25 imp/hod/Bq.m-3 (method RaA+RaC; 15°C ÷ 30°C; rel. hum. 20% ÷ 40%) |
| Measuring range | MDA – 100 000 Bq/m3; MDA = 100 Bq/m3 per 1 hour or 20 Bq/m3 per 24 hours |
| Measurement uncertainty | < 13% at 300 Bq/m3 per 1 hour; < 3% at 300 Bq/m3 per 24 hour |
| Measuring chamber capacity | 0,176 dm3 |
| Response rate | < 30 minutes (RaA); < 3 hours (RaA + RaC) |
| Measuring algorithm | quicker, less sensitive (calculated from RaA) slower, more sensitive (calculated from RaA + RaC) |
| Radon concentration results display | short-term (1 hour moving average) long-term (24 hours moving average) |
| Measuring relative humidity range | 0 – 100 % |
| Measuring temperature range | -40 to +125 °C |
| Serial interface | UART, RS485-MODBUS |
| Switching load of alarm relay | 250W DC/ 500W AC |
| Records saving interval | 1- 255 minutes, default 1 hour |
| Results memory capacity in probe | 4096 |
| Powering | 5-12VDC/max. 5mA (UART); 7-15VDC/max. 15mA (on request: 5VDC/2 mA) (RS485) |
| Dimension | Ø 80 x 175 mm |
| Operating conditions | |
| Temperature | -10°C to +40°C |
| Recommended relative humidity * | 10% – 75% |
| Maximum working relative humidity | 0% – 99% |
| Absolute humidity | 5-20 g/m3 |
| Detector life | 50-100 million pulses Ø 1000 Bq/m3 ->12 years Ø 10 000 Bq/m3 ->1 year |
* Increased humidity reduces the life of a charged battery.
* There must be no condensation of water in the chamber – erroneous results
Download
- TSRS – Technical Specification & Operation Manual
- TSRS – Description of UART communication
- TSRS2 – Technical Specifications & Operation Manual
- TSRS2 – Description of RS485 – MODBUS communication
- Type Approval Certificate for TSR
Accessories
USB<->UART adapter for TSRS
(For better SW debugging or possibility to try usbRADONview application).
