DUCT HUMIDITY TRANSMITTER : GDHO-420

"GDHO" Duct Humidity Transmitter is intended for Ventilation and Air-Handling unit to the following usage ;

● Sensing supplying or ventilating air humidity
● Shift sensor ( In case of revising room humidity depend on outside air humidity)
● Measuring sensor ( Display sensing value or in case of using DDC auto control system)

Technical Data

SUPPLY VOLTAGE DC 15 ~ 30V
FREQUENCY 50 or 60Hz
SENSING ELEMENT Integrated Circuit
POWER CONSUMPTION 0.5VA
SENSING RANGE 0 ~ 100%Rh
ACCURACY  at 20℃ at 20 ~ 90%Rh within ±3% Rh
OUTPUT SIGNAL 4 - 20mA DC
SENSING TIME Approx 20sec. (velocity 2m/s)

AMBIENT TEMPERATURE  ;

1) On operating

2) On transportation

 

-5 ~ +50℃

-25 ~ +65℃

AMBIENT HUMIDITY  ;

1) On operating

2) On transportation

 

5 ~ 100%Rh

Below 95%Rh

PROTECTION CLASS IP54
CABLE FITTING P/F 1/2"
WEIGHT  0.25Kg (W/BRACKET)

 

Wiring Diagram

Dimension

 

 

 

 

 

Cr. : http://www.ginice.co.kr