Sensor

 High-precision digital core

Range

  0%~100%RH

Output

 RS485/Modbus,0~10VDC,4~20mA optiona

Accuracy

 ±2%@20℃&20~80%RH

Response time

 <10s(20℃,slow flow air)

(2)Temperature

Sensor

  High-precision digital core or passive thermal resistance,see Order Ref No.

Measurement Range

  0~50℃,-20~60℃ etc.

Output

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

Thermal resistance

  See Order Ref No.and Thermal Resistance Indexing Table

Accuracy

  ±0.2℃@20℃
  Passivity RTD:typical±0.2~0.4℃@25℃,see Order Ref No.

Power supply

  RS485 type:9~35VDC/24VAC±20%
  Voltage type:12~35VDC/24VAC±20%
  Current type 12V+RL*20mA<UV<35VDC

Output load

  ≤5002(Current type),≥10KΩ(Voltage type)

Display

  Optional LCD display with unit display and backlight (4~20mA without backlight)

Case Material

  PC shell,PA6 probe rod and polymer filter

Working Environment

  -20~60℃,5%-95%RH(Non-condensing)

Protection Grade

  IP65

LFH301-

  Wall-mounted temperature and humidity transmitter

Main
Mode

LFH302-

  Duct Type Temperature and Humidity Transmitter

LFH303-

  Split type temperature and humidity transmitter

2

±2%RH(0.2℃)

Accuracy

V10

  0~10VDC(3-wired)

Humidity
Output

A4

  4~20mA(2-wired)

RS

  RS485/Modbus

V10

  0~10VDC(3-wire)

0

PT1000,±0.2℃@0℃

Temperature
Output

A4

  4~20mA(2-wire)

1

PT100,±0.2℃@0℃

RS

  RS485/Modbus

2

NTC20K,±0.4℃@25℃

6

NTC10K,±0.4℃@25℃

0

None

Temperature
Range

1

0~50℃

2

-20~60℃

8

Other(customized)

0

  None

Display
Mode

1

  LCD display

LFH301  -    2      A4      A4      1        1

Model Example