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GE921 Adjustable Air Differential Pressure Flow Switch
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Item Number
GE921

Description

 

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.


Features

 

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


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

 

 

 

Type

Adjust Range

Return Difference

Deviation

GE921A

20200 Pa

10 Pa

± 10%

GE921B

40100 Pa

20 Pa

± 10%

GE921C

40200 Pa

20 Pa

± 10%

GE921D

50500 Pa

20 Pa

± 10%

GE921E

200~1000 Pa

100 Pa

± 10%

GE921F

5002500 Pa

150 Pa

± 10%

GE921G

10005000 Pa

200 Pa

± 10%



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Address:NF 1400, Wanchai ,Hong Kong
Visitors:
Tel:852-30205702 Fax:852-30205702


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