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FHT31 series Duct Temperature Humidity Transmitter Currency Output

Focusens FHT31 series temperature humidity transmitter is a cost effective, highly accurate and reliable solution for measuring relative air humidity and temperature.

The enclosure minimizes installation costs and provides outstanding protection against contamination and condensation, thus ensuring flawless operation.

The FHT31 use the reliable humidity / temperature Sensirion sensor element SHT21 with excellent long term stability and resistance against pollutants. In combination with a long calibration experience, the FHT31 provides a measurement accuracy of ±3%RH and is available for wall-mounted with current, voltage output.

  • Brand:

    Focusens
  • Item NO.:

    FHT31
  • Product Origin:

    Hefei,Anhui,China
  • Shipping Port:

    Shanghai / Ningbo/Hefei/Shenzhen
  • Lead Time:

    4 weeks
  • Sensing Component:

    Sensirion SHT21
  • Working Temperature:

    -20---+80°C
  • Thermal Time:

    10
  • Product Detail

FHT31 series Duct Temperature Humidity Transmitter Currency Output


Focusens FHT31 series temperature humidity transmitter is a cost effective, highly accurate and reliable solution for measuring relative air humidity and temperature.

The enclosure minimizes installation costs and provides outstanding protection against contamination and condensation, thus ensuring flawless operation.

The FHT31 use the reliable humidity / temperature Sensirion sensor element SHT21 with excellent long term stability and resistance against pollutants. In combination with a long calibration experience, the FHT31 provides a measurement accuracy of ±3%RH and is available for wall-mounted with current, voltage output.


Technical Data

Parameter

Temperature

Relative Humidity

Measurement Range

0...+50°C

-0...+60°C

-20...+80°C

0...100% RH

Accuracy at 25°C

±0.3°C

±3% RH (20...80% RH)

Stability

0.1°C / year

0.5%RH / year

Response

15s

12s(63%)

power supply

2-wire: 12...2V 3-wire: 15...2V

Output

2-wire: ...20mA

3-wire: ...20mA / 0...1/5/10V

Load

2-wire: (VDD - 7V) / 0.02A

3-wire: Current mode less than 500Ω, Voltage mode greater than 10kΩ

Sensor protection

membrane filter

Housing material

Polycarbonate

Protection grade

IP65



Dimensions (mm)




Connection Diagram




Ordering Guide

SERIES

OUTPUT

T-SCALING

DISPLAY

FHT31

(A)   2-wire current mode ...20mA

(B)   3-wire current mode ...20mA

(D)   3-wire voltage mode 0...10V

(E)   3-wire voltage mode 0...5V

(F)   3-wire voltage mode 0...1V

(T1)     0...+50°C

(T2)  -0...+60°C

(T3)  -20...+80°C

(D)  LCD


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