Temperature and Humidity Sensor with Display

Name: Temperature and Humidity Sensor with Display
Brand: LEFOO INDUSTRIAL CO.,LTD.

The Temperature and Humidity sensor with the display has three installation methods: wall-mounted type, duct type, and split type. Current, voltage and RS485 output modes are optional. Strong adaptability, spring screw/terminal design is suitable for quick installation. The ideal instrument to measure relative humidity and temperature of the air of HVAC system, business campus and industrial workplace, warehouse. This temperature and humidity sensor price is quite a low cost and resisted interference, which meets the temperature and humidity sensor for industrial application,

LEFOO is a production expert, reliable supplier of temperature and humidity sensors that can offer you the best service and optimal price.

Features

* Two outputs Temperature and Humidity

* CE and RoHS certificated

* Optimal for animal husbandry and breeding industries

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Specification
Description
Application

Specification of Temperature and Humidity Sensor With Display

Temperature and Humidity Sensor with Display
Relative Humidity		Temperature
Sensing Element	Digital	Sensing Element	Digital or thermal resistance, see Models Selection Table
Measure Range	0%~100%RH	Measure Range	0~50℃, -20~60℃
Output	RS485/Modbus,0~10VDC,4~20mA	Output	4~20mA, 0~10VDC, RS485/Modbus
Response Time	≤10s(25℃, slow flow air)	Work Temperature	-20~60℃,5%-95%RH(non-condensing)
Accuracy	±2%@ 25℃ & 60%RH	Accuracy	Digital sensing element: ±0.5℃@25℃
Model	LFH101 Wall Mounted Type	Voltage Type	RS 485 Type	Current Type
		15~35V dc 24V ac ±20%	15~35V dc 24V ac ±20%	18.5~35VDC (RL=500Ω) 8.5~35VDC (RL=0Ω)
		Protection Level	IP65
Model	LFH102 Duct Type	Output Load	≤500Ω(Current Type)，≥2KΩ(Voltage Type)
		Display	LCD display optional, with unit display and backlight(4~20mA output without backlight)
Model	LFH103 Split Type	Case Material	PC case, PC probe, Polymer filter（stainless probe and stainless filter optional)
		Thermal resistance	Serial number 0,1,2,3,4,5,6 on model selection table

Model Selection Table
Note: Accuracy of thermal resistance PT series is ±0.2℃@25℃, Exactness of NTC and Ni series is ±0.4℃@25℃
Code and description									Remark
LFH101-	Wall-mounted temperature and humidity transmitter								Model
LFH102-	Duct type temperature and humidity transmitter

LFH103-	Split type temperature and humidity transmitter
	2	±2%RH(0.3℃							Accuracy range
	3	±3%RH(0.3℃
		V10	0~10VDC(Three-wired)						Humidity output
		A4	4~20mA(Two-wired)
		RS	RS485/Modbus
			V10	0~10VDC(Three-wired)			2	NTC20K	Temperature output
			A4	4~20mA(Two-wired)			3	Ni 1000
			RS	RS485/Modbus			4	NTC10K-II
			0	PT1000			5	NTC10K-III
			1	PT100			6	NTC10K-A
				0	NO				Temperature range
				1	0~50
				2	minus 20~60
				8	Others (customer specified)
					0	No display			Display mode
					1	LCD display
LFH101-	2	A4	3	1	1				Selection example

Description of Temperature and Humidity Sensor

■ Imported sensing element, high accuracy, fast response;

■ Varieties of installation methods and output signal, LCD display optional;

■ New industrial quick installation design, fast installation feasible.

Application of LEFOO Temperature Humidity Transmitters

LEFOO Temperature and Humidity sensor LFH10 series are used in PLC, dehumidifier, high standard air conditioner, Supporting infrastructure projects, Metallurgical Automation, Painting equipment

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