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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
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Technology Data:
|
Type |
Adjust Range |
Return Difference |
Deviation |
|
GE921A |
20~200
Pa |
10 Pa |
10% |
|
GE921B |
30~300
Pa |
20 Pa |
10% |
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GE921C |
50~500
Pa |
20 Pa |
10% |
|
GE921D |
100~1000
Pa |
20 Pa |
10% |
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GE921E |
500~2000 Pa |
100 Pa |
10% |
|
GE921F |
500~2500
Pa |
150 Pa |
10% |
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GE921G |
1000~5000
Pa |
200 Pa |
10% |
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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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A. YITE TECHNOLOGY GROUP
