The R718PA3 is a wireless communication device that detects O3 concentration in ambient air. The body and the O3 sensor are connected through the RS485 interface, and the detected data is transmitted to other devices through the wireless network.
Documentation
Data Sheet User ManualHighlighted Features
- Adopt SX1276 wireless communication module
- DC 12V adapter power supply
- Main unit protection class IP65
- The base is equipped with a magnet that can be attached to the iron object
- RS485 communication
- Compatible with LoRaWANTM Class A
- Frequency hopping spread spectrum technology
- Configuration parameters can be configured through a third-party software
- Platforms, data can be read and alerts can be set via SMS text and email (optional)
- Applicable to third-party platforms: Actility / ThingPark, TTN, MyDevices / Cayenne
Specifications
Electric:
Power supply |
DC 12V adapter power supply |
Working current |
55mA (external sensor) |
O3 measurement range |
0- 20ppm |
O3 measurement method |
Electrochemical sensors |
O3 repeatability |
≦ ± 3 % of reading (@25°C) |
Detectable lower limit |
<20ppb |
Frequency:
TX Power |
US915 20dbm; |
Rx Sensitivity |
-136dBm (LoRa,Spreading Factor=12, Bit Rate=293bps ) |
Antenna Type |
Build-in antenna |
Communication Range |
10 km (line-of-sight, the actual transmission distance depends on the environment) |
Data Transfer Rate |
0.3kbps~50kbps |
Modulation Method |
LoRa/FSK |
Available Frequency |
EU863-870, US902-928, AU915-928, KR920-923, AS923,CN470-510 |
Physical:
Main unit size |
Main part - L: 112 mm*W: 88.19 mm*H: 32 mm |
Ambient temperature range |
-20 °C to 55°C |
Main unit weight |
About 160g |
Ambient humidity range |
<90% RH (no condense) |
Storage temperature range |
-40 °C ~ 85 °C |