GE921 Adjustable Air Differential Pressure Switch|Air Flow Switch

              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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