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中山市泰倫特電子科技有限公司


當前位置：中山市泰倫特電子科技有限公司>>傳感器類>>溫濕度傳感器>>GDH-420 GDH-110 GDHO-420膽管濕度變送器

GDH-420 GDH-110 GDHO-420膽管濕度變送器

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更新時間：2024-10-29 10:03:54瀏覽次數：79次

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商鋪產品：2203條

所在地區：廣東

聯系人：黃玲 （業務）

產品簡介

GDH-420 GDH-110 GDHO-420膽管濕度變送器

詳細介紹

 

DUCT HUMIDITY TRANSMITTER(GDH-420)
"GDH" Duct Humidity Transmitter is intended for an electronic Humidity transmitter to measures the Duct Relative Humidity (RH) and converts the measurement into and electric signal.
This unit can be used with all system equipments that can receive output signals 4 ~ 20mA DC of the detector.
This Transmitter senses relative humidity by chargeable humidity sensing element which varies electrical capacity depending on circumstantial relative humidity.
Electronic sensing circuit varies signal into 4 ~ 20mA DC ( within 0 ~ 99% relative humidity ).
Sensing Accuracy is ±3% within usable range of 20 ~ 90% RH.

SUPPLY VOLTAGE

: 24V AC/DC ±20%

FREQUENCY

: 50 or 60㎐

POWER CONSUMPTION

 : below 0.5VA

SENSING RANGE

 : 0 ~  99% Rh

SENSING ELEMENT

 : Integrated Circuity

ACCURACY

: 20°C at 20~90%Rh with in ±3%Rh

OUTPUT SIGNAL

: 4 ~ 20mA DC

SENSING TIME

: Apprx. 20 sec. (velocity 20m/s)

AMBIENT TEMPERATURE

: 1) On Operation : -5 ~ +50℃
  2) On Transportation & Storage : -25  ~ +70°C

AMBIENT HUMIDITY

: 1) On Operation : 5 ~ 99%Rh
  2) On Transportation  : below 95% Rh

WEIGHT

: 0.17Kg (W/BRACKET)

CABLE FITTING

: PF 1/2"

PROTECTION CLASS

: IP 54
Installation Location; When the detector has to be mounted on supply duct, the detector must be kept
between 3 to 8 meters from the humidifier unit
For accurate measurement of the relative humidity, Follow recommendation as ;
-Steam humidifier; between 5 to 8 meters
-Spray water fogger; between 3 to 10 meters
DUCT HUMIDITY TRANSMITTER(GDH-110)
"GDH" Duct Humidity Transmitter is intended for an electronic Humidity transmitter to measures the Duct Relative Humidity (RH) and converts the measurement into and electric signal.
This unit can be used with all system equipments that can receive output signals 0 ~ 10VDC of the detector.

This Transmitter senses relative humidity by chargeable humidity sensing element which varies electrical capacity depending on circumstantial relative humidity.
Electronic sensing circuit varies signal into 0 ~ 10VDC ( within 0 ~ 99% relative humidity ).
Sensing Accuracy is ±3% within usable range of 20 ~ 90% RH.

SUPPLY VOLTAGE

: 24V AC/DC ±20%

FREQUENCY

: 50 or 60㎐

POWER CONSUMPTION

 : below 0.5VA

SENSING RANGE

 : 0 ~ 99% Rh

SENSING ELEMENT

 : Integrated Circuity

ACCURACY

: 20°C at 20~90%Rh with in ±3%Rh

OUTPUT SIGNAL

: 0 ~ 10V DC (0 ~ 1V DC)

SENSING TIME

: Apprx. 20 sec(velocity 20m/s)

AMBIENT TEMPERATURE

: 1) On Operation : -5 ~ +50℃
2) On Transportation & Storage : -25 ~ +70°C

AMBIENT HUMIDITY

: 1) On Operation : 5 ~ 99%Rh
2) On Transportation : below 95% Rh

WEIGHT

: 0.17Kg (W/BRACKET)

CABLE FITTING

: PF 1/2"

PROTECTION CLASS

: IP 54

DUCT HUMIDITY TRANSMITTER(GDHO-420)

"GDHO “ Duct Humidity Transmitter is intended for Ventilation and Air-handling units to the following usages ;
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 )

SUPPLY VOLTAGE

: 15 ~ 30 V DC

OUTPUT SIGNAL

: 4 ~ 20 mA

SENSING RANGE

: 0 ~ 99%RH

SENSING ELEMENT

 : Integrated Circuity

ACCURACY

: 20°C at 20~90%Rh within ± 3%Rh

WIRING

: 2 Wire

SENSING TIME

: Apprx.1 min. at 2m/s velocity

AMBIENT TEMPERATURE

: -5 ~ +70°C

AMBIENT HUMIDITY

: 1) On Operation : below 5 ~ 99%RH
  2) On Transportation : below 95%RH

CABLE FITTING

: PF1/2"

PROTECTION CLASS

: IIP54 (EN60529)

WEIGHT

: 0.25Kg ( including bracket )

In case of controlling supplying air humidity
- In case of installing Fan at the last air control unit, install behind of Fan
- For the other cases, install at least 1.5M away from the last air control unit
In case of controlling ventilating air humidity
- Install always at behind of Fan


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