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LFH52 Temperature and Humidity Transmitter is a Transmitter specially designed for outdoor temperature and humidity detection. The standard radiation shield can prevent wind and rain, and provide the best protection for the transmitter in bad weather. There are three output modes of current, voltage and RS485 to choose. Can be widely used in construction site environment, weather monitoring and other outdoor occasions.
Standard 5-layer radiation cover to prevent external influences, such as sunlight radiation and ran, with good stability.
The number of layers of the protective cover can be adjusted according to the needs of the site, the heght adjustable, convenient installation.
long service life and strong anti-interference ability.
The output has reverse connection protection function, with a high protection level up to IP65.
1) Relative humidity
Sensor | Digital |
range | 0%~100%RH |
Output | RS485/Modbus, 0~10VDC, 4~20mA |
Accuracy | ±3%@20℃ & 20~80%RH |
Response time | ≤10s(20℃, slow air flow) |
2) Temperature
Sensor | Digital or thermal resistance, see Order Ref No. | |
Range | 0~50℃, -20~60℃ etc | |
Output | 4~20mA, 0~10VDC, RS485/Modbus | |
Thermal Resistance | See Order Ref No.and Thermal Resistance Indexing Table | |
Accuracy | Digital type: ±0.5℃@20℃; Thermal resistance type: typical±0.2~0.4℃@25℃, see Order Ref No. | |
Power Supply | Voltage type/485 type: 15~35VDC/24VAC+20%(isolated power supply is required for AC power supply) | Current type: 18.5~35VDC (RL=5002)/8.5~35VDc(RL=0Ω) |
Output Load | ≤500Ω(Current type), ≥2KΩ(Voltage type) | |
Display | LCD display optional, with unit display and backlight(4~20mA without backlight) | |
ShellMaterial | PC housing, PC probe and ABS protection cover | |
Working Environment | -20~60℃, 5%-95%RH(Non-condensing) | |
Protection Level | IP65 | |
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