HENGKO relative humidity sensor probe is an anti-rust, robust and precise RHT30 sensor, which can master enterprise-class and industrial-level applications. It can be applied in various fields: teleport base stations, electronic control cabinet, production site, storehouse, machine rooms, greenhouses, animal farming, medicine stock, etc. The metallic package enables it to deal with very dusty or other severe circumstances. The wall-hanging style makes it easy to install.
Output: IIC
Working voltage: 3.3-5V
Operating current: ≤15mA
Accuracy: ±1.5 %RH, ±0.2 °C
Measurement range: 0-100%RH, -40-125 °C
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Waterproof IP66 RHT-H3X I2C exchangeable ±1.5%RH high accuracy air temperature and relative humidity sensor probe for vegetable greenhouse
| Model |
Humidity |
Temperature (℃) | Voltage Supply(V) |
Interface |
Relative Humidity |
| RHT-20 |
±3.0 |
±0.3 |
2.1 to 3.6 | I2C | -40 to 125 ℃ |
| RHT-21 |
±2.0 |
±0.3 @ 5-60 ℃ |
2.1 to 3.6 | I2C | -40 to 125 ℃ |
| RHT-25 | ±1.8 @ 10-90% RH |
±0.2 |
2.1 to 3.6 | I2C | -40 to 125 ℃ |
| RHT-30 | ±2.0 @ 10-90% RH |
±0.2 |
2.15 to 5.5 | I2C | -40 to 125 ℃ |
| RHT-31 |
±2.0 |
±0.2 |
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 |
±0.2 |
1.08 to 3.6 | I2C | -40 to 125 ℃ |
| RHT-85 |
±1.5 |
±0.1 (20 to 50 °C) |
2.15 to 5.5 | I2C | -40 to 125 ℃ |
As our top product, the RHT-3X Series temperature and humidity sensor is intelligent, reliability and accurate.
● High reliability and long-term stability
● Industry-proven technology with a track record of more than 15 years
● Designed for mass production
● High process capability
● High signal-to-noise ratio
Exchangeable sensor probe with several filter options
The design is ideal for a range of operating environments and allows for flexible field maintenance. The filter and sensor element are field-exchangeable for applications that require frequent replacements.
Use with HT802X temperature and humidity transmitter
The relative humidity probe is part of the HENGKO IoT solution, so it can be used with HENGKO HT802X series transmitters. The transmitters offer various additional benefits such as a display for data visualization, easy access to probe configuration, and more extensive options for connectivity, supply voltage, and wiring.
There are lots of relative humidity sensor for you choose according to the measuring environment.
Can't find a product that meets your needs? Contact our sales staff for OEM/ODM customization services!