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Specification of Indoor Temperature and Humidity Sensor LFH20

Relative Humidity
SensorDigital type
Measurement Range0%~100%RH
OutputRS485/Modbus,0~10VDc, 4~20mA optional
Accuracy±3%@ 20℃ & 20~80%RH
Response time≤10s(25℃, slow flow air)
Temperature
SensorDigital or RTD, refer to selection table
Measurement Range0~50℃, -20~60℃, etc
Output Signal4~20mA,0~10VDC, RS485/Modbus optional
Power Supply

Voltage type/485 type 15~35VDC/24VAC±20% ;

Current type 19.5~35VDC (RL=500Ω)/9.5~35VDC (RL=0Ω)

Working Environment-20~60℃, 5%-95%RH(non-condensing)
Accuracy

Digital sensor: ±0.3℃@20℃    ;

RTD: Typical ±0.2~0.4℃@25℃, refer to selection table

Output Load≤500Ω(current type), ≥2KΩ(voltage type)
RTD(thermal resistor)Refer to the selection table and RTD indexing table
DisplayOptional LCD display with unit display and backlight (4~20mA without backlight)
Shell MaterialPC shell
Protection ClassIP30