Indoor Temperature Humidity Sensor LFH20

Name: Indoor Temperature Humidity Sensor LFH20
Brand: LEFOO INDUSTRIAL CO.,LTD.

LFH20 series temperature and humidity transmitter is a sensor specially designed for the HVAC industry, with small size, simple installation and easy operation. It has special design for lightning surge, electrostatic discharge, group pulse, withstand voltage, etc., and has strong anti-interference ability. Buy it now!

Features

* Adopt imported high-precision sensors and main control, with good long-term stability and anti-interference ability

* A variety of output methods are optional, in line with the standard 86 box installation method

* Lightweight and beautiful shell design, using CD backlight temperature and humidity display, easy to use

* The power supply and output have overvoltage and reverse connection protection functions, high reliability and anti-interference ability, CE certification

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Transmitter

Pump

Specification
Description

Specification of Indoor Temperature and Humidity Sensor LFH20

Relative Humidity
Sensor	Digital type
Measurement Range	0%~100%RH
Output	RS485/Modbus,0~10VDc, 4~20mA optional
Accuracy	±3%@ 20℃ & 20~80%RH
Response time	≤10s(25℃, slow flow air)
Temperature
Sensor	Digital or RTD, refer to selection table
Measurement Range	0~50℃, -20~60℃, etc
Output Signal	4~20mA,0~10VDC, RS485/Modbus optional
Power Supply	Voltage type/485 type 15~35VDC/24VAC±20% ; Current type 19.5~35VDC (RL=500Ω)/9.5~35VDC (RL=0Ω)
Working Environment	-20~60℃, 5%-95%RH(non-condensing)
Accuracy	Digital sensor: ±0.3℃@20℃ ; RTD: Typical ±0.2~0.4℃@25℃, refer to selection table
Output Load	≤500Ω(current type), ≥2KΩ(voltage type)
RTD(thermal resistor)	Refer to the selection table and RTD indexing table
Display	Optional LCD display with unit display and backlight (4~20mA without backlight)
Shell Material	PC shell
Protection Class	IP30

Description of Indoor Temperature and Humidity Sensor LFH20

1. Adopt imported high-precision sensors and main control, with good long-term stability and anti-interference ability.

2. A variety of output methods are optional, in line with the standard 86 box installation method.

3. Lightweight and beautiful shell design, using LCD backlight temperature and humidity display, easy to use.

4. The power supply and output have overvoltage and reverse connection protection functions, high reliability and anti-interference ability, CE certification.

LEFOO Company

LEFOO Industrial Co., Ltd has 6 laboratories with advanced and complete equipment to develop and improve the accuracy of existing products in various ranges and various temperature conditions. It also has a semi-automatic dust-free production center for the manufacture of pressure transmitters. Please contact our sales team to get the best transmitter price.

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