FHT31 series Duct Temperature Humidity Transmitter Voltage 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

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Product Detail

FHT31 series Duct Temperature Humidity Transmitter Voltage 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.

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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With more than 15 years field experience,we are committed to provide reliable,high cost performance and flexible sensor solution and components. Resistance temperature sensors NTC,PTC,RTD, Digital Temperature sensors and humidity Transmitters, as well as magnatic switch sensors are our main products.

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