Temperature & Humidity Sensor RS485
- ModelRV400-TH01A
- Type
- Other
RV400-TH01A temperature & humidity sensor is a high-tech product with high reliability and superior stability. With big LCD display, people can examine local temperature and humidity; meanwhile, the sensor can indicate the actual alarm statu
l Features:
RV400-TH01A temperature & humidity sensor is a high-tech product with high reliability and superior stability. With big LCD display, people can examine local temperature and humidity; meanwhile, the sensor can indicate the actual alarm status via arrowhead. Through RS485 network communication, one PC can load 254 sensors to compose a monitoring system, in which, at most 254 x16=4064 pieces sensors can be managed.
ain features are as follows:
l RS485 Bus guarantee the safety of device communication;
l Big LED display, real time show local temperature, humidity and alarm status (fluctuate arrowhead);
l The sensor chip is separated with controlling part, which is good for the ventilation between the chip and outside, improve the measuring precision.
l Measurement upper and lower range can be set. It is real time OC output when exceeding the upper and lower limit.
l Strong anti-interference, low power consumption and 3 grade thunderproof protection;
l Featured with exacurate and stable measuring, high precision and good value for money, etc.
l Parameters
l Application

l System configuration
RV400-TH01A temperature & humidity sensor is a high-tech product with high reliability and superior stability. With big LCD display, people can examine local temperature and humidity; meanwhile, the sensor can indicate the actual alarm status via arrowhead. Through RS485 network communication, one PC can load 254 sensors to compose a monitoring system, in which, at most 254 x16=4064 pieces sensors can be managed.
ain features are as follows:
l RS485 Bus guarantee the safety of device communication;
l Big LED display, real time show local temperature, humidity and alarm status (fluctuate arrowhead);
l The sensor chip is separated with controlling part, which is good for the ventilation between the chip and outside, improve the measuring precision.
l Measurement upper and lower range can be set. It is real time OC output when exceeding the upper and lower limit.
l Strong anti-interference, low power consumption and 3 grade thunderproof protection;
l Featured with exacurate and stable measuring, high precision and good value for money, etc.
l Parameters
| Dimension | L120mm×W105mm×T22mm |
| Weight | 150g |
| Color | light blue, milk white, sub-black, etc |
| Display | LCD liquid display |
| Power supply | voltage, DC9~24V; current, static, 10~30mA; backlight 40~60mA; |
| Communication interface | standard RS485 double bus or RS422 interface, compatible with EIA/TIA standard, transmission rate 2400~38400 BPS optional, default value 9600; apply YDN023-1996 and MODBUS protocol |
| Transmission distance | max. 1200m |
| Node capacity | max. 26; if there are many devices, use CHD485HUB to extend |
| Humidity Pricision | ±3.0 %RH; |
| Temperature Pricision | ±0.4 ℃; |
| Humidity Range | 5 %~95 %; |
| Temperature Range | -30℃ ~ 70℃ |
| Operation environment |
operation temperature -30℃ ~ 70℃; relative humidity 5%~95%; |
| Storage environment |
storage temperature -30℃ ~ 85℃; relative humidity 5%~95%; |
l Application

l System configuration
| Lead Color | function definition | 说 明 | |
| 1 | red | 12V + | Two lines tied together |
| 2 | brown | GND - | |
| 3 | Green | 485A + | RS485 communication interface |
| 4 | White | 485B- | |
| 5 | purple | N.O | Local alarm output relay, contact capacity 24VDC 3A 120VAC 3A |
| 6 | orange | COM | |
| 7 | Yellow | N.C |
