Lefoo Temperature and Humidity Transmitter LFH10A

Name: Temperature and Humidity Transmitter LFH10A
Brand: LEFOO INDUSTRIAL CO.,LTD.
Rating: 4.8 (50 reviews)

LFH10A series temperature and humidity transmitter is a transmitter specially designed for industrial applications . It has three installation methods : wall-mounted , pipeline , and split . The three output modesof current , voltage , and RS485 are optional . The on-site adaptability strong , and the terminal design is suitable for rapid installation . It can be widely used in computer rooms , HVAC , buildings , storage vegetable greenhouses , farms and other places where temperature and humidity measurement is required.

Features

* Adopt high-precision sensor and main control, long-term stability and anti-interference ability

* Outstanding design, LCD backlight dual display of temperature and humidity, easy operation

* Overvoltage and reverse connection protection function, IP65 protection level

* Temperature range can be changed by dialing code, 485 output can change the machine number and baud rate by dialing code

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Transmitter

Pump

Specification
Features
Applications

Specification of Temperature and Humidity Transmitter LFH10A

Technical parameter

Temperature and Humidity Transmitter LFH10A
Relative Humidity
Sensor		Digital type
Measuring Range		0%~100%RH
Output		RS485/Modbus,0~10VDC,4~20mA optional
Response Time		≤10s(20℃, slow flow air)
Accuracy		±2%@ 25℃ & 60%RH

Temperature
Sensor		Digital or thermal resistance
Measuring Range		0~50℃, -20~60℃
Output		4~20mA, 0~10VDC, RS485/Modbus
Work Temperature		-20~60℃,5%-95%RH(non-condensing)
Thermal resistance		See Order Ref No. and Thermal Resistance Indexing Table
Output Load		≤250Ω(Current Type)，≥2KΩ(Voltage Type)
Accuracy		Digital:±0.3℃@0~60℃/Thermal resistance:±0.2~0.4℃@25℃
Display		LCD display optional, with unit display and backlight(4~20mA output without backlight)
Power Supply		Voltage type/RS485 type :15~35VDC/24VAC±20%; Current type 19.5~35VDC (RL=500Ω) 9.5~35VDC (RL=0Ω)
Shell Material		ABS housing, PC probe and high polymer filter
Protection Grade		IP65

Dimension

Selection Guide

Code and description							Remark
LFH10A1	Wall-mounted temperature and humidity transmitter						Model
LFH10A2	Duct type temperature and humidity transmitter
LFH10A3	Split type temperature and humidity transmitter
	3	±3%RH(0.3℃）					Accuracy
		V10	0~10VDC(Three-wired)				Humidity output
		A4	4~20mA(Two-wired)
		RS	RS485/Modbus
			V10	0~10VDC(Three-wired)			Temperature output
			A4	4~20mA(Two-wired)
			RS	RS485/Modbus
			0	PT1000, ±0.2℃@0℃
			1	PT100, ±0.2℃@0℃
			2	NTC20K, ±0.4℃@25℃
			6	NTC10K, ±0.4℃@25℃
				0	None		Temperature range
				1	0~50℃
				2	-20~60℃
				8	Others (customer specified)
					0	without display	Display
					1	with display


LFH10A1	3	A4	A4	1	1		Selection example

Features of Temperature and Humidity Transmitter LFH10A

■ Adopt high-precision sensor and main control, long-term stability and anti-interference ability

■ Outstanding design, LCD backlight dual display of temperature and humidity, easy operation

■ Overvoltage and reverse connection protection function, IP65 protection level

■ Temperature range can be changed by dialing code, 485 output can change the machine number and baud rate by dialing code

Applications of Temperature and Humidity Transmitter LFH10A

LEFOO Temperature and Humidity transmitter LFH10A series are used in PLC, dehumidifier, high standard air conditioner, Supporting infrastructure projects, Metallurgical Automation, Painting equipment

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