Email Us

Temperature Humidity Transmitter LFH50

Temperature humidity transmitter LFH50  is specially designed for modern animal husbandry, science and efficient agriculture planting. 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 in vegetable greenhouses and farms.


Features


* Two outputs Temperature and Humidity

* CE and RoHS certificated

* Optimal for animal husbandry and breeding industries


Get a Quote

Specification of Temperature Humidity Transmitters

Relative Humidity


Sensing Element

Digital

Measurement Range

0%~100%RH

Output

RS485/Modbus,0~10VDC,4~20mA

Accuracy

±2%@ 25℃ & 60%RH

Response Time

≤10s(25℃slow flow air)

Temperature


Sensing Element

Digital or thermal   resistance, see Models Selection Table

Measurement Range

0~50℃, -20~60℃

Output

4~20mA, 0~10VDC,   RS485/Modbus

Thermal resistance

See Models Selection Table   and Thermal Resistance Index Table

Accuracy

Digital sensing element:   ±0.5℃@25℃ 

Thermal resistance:   ±0.2~0.4℃@25℃, See Models Selection Table

Power Supply

Voltage Type/485: 15~35VDC

Current Type: 18.5~35VDC   (RL=500Ω) /8.5~35VDC(RL=0Ω)

Output Load

≤500Ω(Current Type)≥2KΩ(Voltage Type)

Display

LCD display optional , with   unit display and backlight(4~20mA output without backlight)

Case Material

PC case, PC probe, Polymer   filterstainless probe and   stainless filter optional)

Work Temperature

-20~60℃,5%-95%RH(non-condensing)

Protection Level

IP65


Model Selection


Spec Code and Definition

Remark

LFH501-

Wall-mounted temperature & humidity   transmitter

Model

LFH502-

 

Duct   temperature& humidity transmitter

LFH503-

Split temperature& humidity transmitter


V10

0~10VDC(3-wire)

Humidity Output

A4

4~20mA(2-wire)

RS

RS485/Modbus



V10

0~10VDC(3-wire)

2

NTC20K±0.4@25

Temperature Output



A4

4~20mA(2-wire) 

3

Ni 1000±0.4@25


RS

RS485/Modbus

4

NTC10K-II,±0.4@25


0

PT1000±0.2@0

5

NTC10K-III,±0.4@25


1

PT100±0.2@0

6

NTC10K-A,±0.4@25


0

no 

Temperature Measurement

1

0~50


2

-20~60


8

other(customized)


0

No display 

Display


1

LCD display

LFH501-

A4

A4

1

1

Model Example



Dimensions

5.jpg

Description of Temperature Humidity Transmitter

  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 Humidity Transmitters LFH50 are used in PLC, dehumidifier, high standard air conditioner, Supporting infrastructure projects, Metallurgical Automation, Painting equipment

Product Inquiry