Email Us

Specification of Temperature and Humidity Sensor with Display LFH10

Temperature and Humidity Sensor with Display
Relative Humidity
Temperature
Sensing ElementDigitalSensing ElementDigital or thermal resistance, see Models Selection Table
Measure Range0%~100%RHMeasure Range0~50℃, -20~60℃
OutputRS485/Modbus,0~10VDC,4~20mAOutput4~20mA, 0~10VDC,   RS485/Modbus
Response Time≤10s(25℃, slow flow air)Work Temperature-20~60℃,5%-95%RH(non-condensing)
Accuracy±2%@ 25℃ & 60%RHAccuracyDigital sensing element:   ±0.5℃@25℃
ModelLFH101 Wall Mounted TypeVoltage TypeRS 485 TypeCurrent Type
LEFOO Temperature and Humidity Sensor with Display

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
ModelLFH102 Duct TypeOutput Load≤500Ω(Current Type),≥2KΩ(Voltage Type)
LEFOO Temperature and Humidity Sensor with DisplayDisplayLCD display optional, with   unit display and backlight(4~20mA output without backlight)
ModelLFH103 Split TypeCase MaterialPC case, PC probe, Polymer   filter(stainless probe and   stainless filter optional)
LEFOO Temperature and Humidity Sensor with DisplayThermal resistanceSerial 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 descriptionRemark
LFH101-Wall-mounted temperature and humidity transmitterModel
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℃

V100~10VDC(Three-wired)Humidity output
A44~20mA(Two-wired)
RSRS485/Modbus

V100~10VDC(Three-wired)2NTC20KTemperature output
A44~20mA(Two-wired)3Ni 1000
RSRS485/Modbus4NTC10K-II
0PT10005NTC10K-III
1PT1006NTC10K-A

0NOTemperature range
10~50
2minus 20~60
8Others (customer specified)

0No displayDisplay mode
1LCD display
LFH101-2A4311Selection example