2022 Latest Design Dew Point Probe - HENGKO SD123-T10 waterproof Temperature and Humidity Transmitter 485modbus for environmental measurement – HENGKO
2022 Latest Design Dew Point Probe - HENGKO SD123-T10 waterproof Temperature and Humidity Transmitter 485modbus for environmental measurement – HENGKO Detail:
HENGKO analog temperature and humidity module adopt high precision RHT series sensor equipped with a sintered metal filter shell for large air permeability, fast gas humidity flow and exchange rate. The shell is waterproof and will keep water from seeping into the body of the sensor and damaging it, but allows air to pass through so that it can measure the humidity (moisture) of the environment. It has been widely used in HVAC, consumer goods, weather stations, test & measurement, automation, medical, humidifiers, especially perform well in an extreme environment like acid, alkali, corrosion, high temperature and pressure.
Power Supply: DC9V~DC30V(Recommend the DC12V)
Measuring range: -20~70℃; 0~100%rh
Accuracy of measurement: ±0.3℃; ±3%RH
Resolution: 0.1℃; 0.1rh
Connector Type: RS485
Protocol: MODBUS-RTU
Correspondence Address: 1-247
Baud rate: 1200bit/s,2400bit/s,4800bit/s,9600bit/s,19200bit/s
Size: 65*46*29mm
Installation: Track installation, indoor wall installation, ceiling installation
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E-mail: ka@hengko.com sales@hengko.com f@hengko.com h@hengko.com
RS485 Humidity Sensor For Baking Ovens, High-temperature Dryers
Product Show


| Model | Humidity Accuracy(%RH) |
Temperature (℃) | Voltage Supply(V) |
Interface | Relative Humidity Range(RH) |
| RHT-20 | ±3.0 @ 20-80% RH |
±0.5 @ 5-60 ℃ |
2.1 to 3.6 | I2C | -40 to 125 ℃ |
| RHT-21 | ±2.0 @ 20-80% RH |
±0.3 @ 5-60 ℃ |
2.1 to 3.6 | I2C | -40 to 125 ℃ |
| RHT-25 | ±1.8 @ 10-90% RH |
±0.2 @ 5-60 ℃ |
2.1 to 3.6 | I2C | -40 to 125 ℃ |
| RHT-30 | ±2.0 @ 10-90% RH |
±0.2 @ 0-65 ℃ |
2.15 to 5.5 | I2C | -40 to 125 ℃ |
| RHT-31 | ±2.0 @ 0-100% RH |
±0.2 @ 0-90 ℃ |
2.15 to 5.5 | I2C | -40 to 125 ℃ |
| RHT-35 | ±1.5 @ 0-80% RH |
±0.1 @ 20-60 ℃ |
2.15 to 5.5 | I2C | -40 to 125 ℃ |
| RHT-40 | ±1.8 @ 0-100% RH |
±0.2 @ 0-65 ℃ |
1.08 to 3.6 | I2C | -40 to 125 ℃ |
| RHT-85 | ±1.5 @ 0-100% RH |
±0.1 @20 to 50 °C |
2.15 to 5.5 | I2C | -40 to 125 ℃ |
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