LFH52 Outdoor Temperature and Humidity Transmitter

PRODUCT FEATURES

Standard 5-layer radiation cover,protection from sunlight radiation and rain,good stability.
The number of layers of the protective cover adjustable,so height is adjustable,convenient installation.
The output has reverse connection protection function,high protection level up to IP65.
Long service life and strong anti-interference ability.

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Description

Specification

Product Selection

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Description

LFH52 Outdoor Temperature and Humidity Transmitter is specially designed for LFH52 Temperature&Humidity Transmitter isspecially designed for can protect from wind and rain,and provide the best protection for the transmitter in severeeweather.There are 3 output modes of current,voltage and RS485 available.Can be used in construction sites,weather monitoring and other outdoor occasions.

Specification

(1)Relative Humidity
Sensor	Digital
Measurement Range	0%~100%
Output	RS485/Modbus,0~10VDC,4~20mA optional
Accuracy	±3%@20℃&20~80%RH
Response Time	≤10s(20℃,slow flow air)
(2)Temperature
Sensor	Digital or RTD,see selection table
Measurement Range	0~50℃,-20~60℃ etc
Output	4~20mA,0~10VDC,RS485/Modbus optional
Thermal Resistance	In Order Ref No.and Thermal Resistance Indexing Table
Accuracy	Digital sensor:±0.5℃@20℃ RTD:Typical±0.2~0.4℃@25℃,see selection table
Power Supply	Voltage type/485 type 15~35VDC/24VAC±20%(isolated power supply is required forAC power supply) Current type 18.5~35VDC(RL=500Ω)8.5~35VDC(RL=0Ω)
Output Load	≤500Ω(Current type),≥2KΩ(Voltage type)
Case Material	PC shell,PA6 probe rod,ABS protective cover
Working Environment	-20~60℃,5%-95%RH(non-condensing)
Protection Grade	IP65

Product Selection

Code and description								Remark
LFH52	Outdoor Temperature and Humidity Transmitter							Model
	3	±3%RH(+0.5℃)						Accuracy Range
		V10	0~10VDC(3-wire)					Humidity Output
		A4	4~20mA(2-wire)
		RS	RS485/Modbus
			V10	0~10VDC(3-wire)		0	PT1000,±0.2℃@0℃	Temperature Output
			A4	4~20mA(2-wire)		1	PT100,±0.2℃@0℃
			RS	RS485/Modbus		2	NTC20K,±0.4℃@25℃
						6	NTC10K,±0.4℃@25℃
				0	NO			Temperature Range
				1	0~50℃
				2	-20~60℃
				8	Others(customerized)

LFH52 3 A4 A4 2								Selection Example

1.Only when the temperature output option is V10 orA4,you need to select the corresponding temperature range 1-8.Otherwise,need to select 0.
2.For example LFH52-3A4A42 represents the outdoor type,the temperature and humidity accuracy is±3%RH(±0.5℃),the humidity output is 4~20mA,the temperature output is 4~20mA,and the temperature range is-20~60℃.
3.Exposure of the sensor probe of this product to high concentrations of chemical gases for a long time may cause thereading shift.
4.If it is necessary to install the clamp,please state in the remarks that the maximum diameter of the clamp is 150mm.

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