LFH70 High-Temperature Temperature & Humidity Transmitter

PRODUCT FEATURES

Full metal shell,strong and reliable,suitable for harsh working environment.
High temperature range:-40~180℃.
Temperature&Humidityfull range calibration,high accuracy.
Sensitive components endure high temperature,with good humidity repeatability.
The core coating has long-term stability and strong anti pollution ability.
LCD display,buttons,alarm and other modules optional.

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Description

Specification

Product Selection

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Description

LFH70 Temperature&humidity Transmitter is a highly reliable product developed fo high-precision temperature andhumidity measurement in fundamental industrial applications and climate control fields.Its spit probe can work inenvironments with temperatures up to 180℃.The high-temperature humidity sensitive capacitor has high long-termstability,strong anti pollution ability,and excellent anti electromagnetic interference ability.Comparing to other HVACtransmitters,the innovative metal structure design gives LFH70 the advantage of stronger structure and and longerduration in harsh working conditions.

Specification

(1)Relative Humidity
Sensing element	High temp&humidity sensitive capacitor
Range	0-100%
Output	RS485,0-10V,4-20mA
Accuracy	≤90%RH@20℃±2%RH >90%RH@20℃ ±2.3%RH
Response time	≤10S
(2)Temperature
Sensing element	PT1000
Probe operating temperature	-40-180℃
Output	RS485,0-10V,4-20mA
Accuracy	±0.2℃@20℃ See accuracy curve chart
Power supply	15-35VDC/24VAC±20%
Operating temperature range of electronic components(with LCD)	-20-60℃
Relay	2×SPDT(3A-30VDC/250VAC)
Output Load	≤500Ω(current output) ≥10KΩ(Voltage output)

Product Selection

Code and Description			Remark
LFH70-	RS	485	Output
	A4	4-20mA
	V10	0-10V

Note:The default length of split type cable is 1 meter,and the length can be added by by meter basis,represented bynumber after the model.The default temperature range for voltage and current type is-20~60℃,and can be reset bypressing any button.
Model selection example LFH70-A4-2,it means split type temperature and humidity transmitter,4-20mAoutput,withLCDexternal button,customized wire length of 2 meters.

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Please carefully inspect the following products ordered from LEFOO when you receive them.If you do not meet your reservation requirements or find that the products have surface quality problems,please take photos and contact the sales engineer who served you.Once this kind of product is signed,within 7 days,the LEFOO product will maintain the original quality and function when it was sold,and the product itself,accessories,and trademark logos are complete,and you can return the product without reason.Within 30 days,accept the return application due to quality reasons.

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