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Specification of High-Temperature Temperature & Humidity Transmitter LFH70

Technical parameter

Temperature and Humidity Transmitter Probe LFH70
Relative Humidity
Sensing element		High temp&humidity sensitive capacitor
Range		0%~100%RH
Output		RS485/Modbus,0~10V, 4~20mA optional
Accuracy		≤90%RH@20°C ±2%RH ≥90%RH@20°C ±2.3%RH
Response Time		≤10S
Temperature
Sensing element		PT1000
Probe Operating Temperature		-40~180°C
Output		RS485, 0-10V, 4-20mA optional
Accuracy		±0.2℃@20℃, see accuracy curve chart
Power Supply		15-35VDC/24VAC ±20%
Output Load		≤500Ω (Current type), ≥10KΩ (Voltage type)
Operating temperature range of electronic components (with LCD		PC shell, PA6 probe rod,ABS protective cover
Relay		2×SPDT (3A-30VDC/250VAC)

英文-LFH70规格书_00.jpg

Note: The default length of split type cable is 1 meter, and the length can be added by meter basis, represented by number after the model. The default temperature range for voltage and current type is -20~60 °C, and can be reset by pressing any button.

Model selection example LFH70-A4-2, it means split type temperature and humidity transmitter, 4-20mA output, with LCD external button, customized wire length of 2 meters.

英文-LFH70规格书_01.jpg

Air duct: ➀ open holes, ② install the flange,lock the screw, ③ install the air pipe and adjust the size, ➃ lock the screw

Transmitter box: ➄ open holes, ➅ into the expansion tube, ➆ install the body, locking screws