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              A. YITE  TECHNOLOGY  GROUP










 

 

GE921 Adjustable Air Differential Pressure Flow Switch

GE921 Adjustable Air Differential Pressure Switch for monitoring overpressure, vacuum and differential pressure of air or other non-combustible, non-aggressive gases. It can be used to sense (differential) pressure and flow of air in ducts and pipes.

Specification:

* Max. differential pressure: 5000Pa
* Protection Class: IP54
* Output: 1.0A (0.4A)/ 250VAC
* Working temperature:-20~85 C
* Storage temperature: -40~85 C
* Min. Actuating pressure: 20Pa(Standard);
   min.starting interval: 10Pa;
   range: 20~30Pa
* Installation Direction: vertical (standard installation style)
* Hose connection: pipe P6.2mm

Adjustable Air Differential Pressure Flow Switches
    Technology Data:

Type

Adjust Range

Return Difference

Deviation

GE921A

20~200 Pa

10 Pa

10%

GE921B

30~300 Pa

20 Pa

10%

GE921C

50~500 Pa

20 Pa

10%

GE921D

100~1000 Pa

20 Pa

10%

GE921E

500~2000 Pa

100 Pa

10%

GE921F

500~2500 Pa

150 Pa

10%

GE921G

1000~5000 Pa

200 Pa

10%

Adjustable Air Differential Pressure Monitor Switch

Possible fields of application include:

* Monitoring air filters and ventilators
* Monitoring industrial cooling-air circuits
* Maximum air flow controller for variable air volume systems
* Overheating protection for fan heaters
* Monitoring flows in ventilation ducts
* Controlling air and fire-protection flaps
* Frost protection for heat exchangers
* Air proving in ventilation ducts

 

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