Air Differential Pressure 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
Specifications
- work field
- * 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
- Type
- Adjust Range
- Return Difference
- Deviation
- GE921A
- 20～200 Pa
- 10 Pa
- ± 10%
- GE921B
- 40～100 Pa
- 20 Pa
- ± 10%
- GE921C
- 40～200 Pa
- 20 Pa
- ± 10%
- GE921D
- 50～500 Pa
- 20 Pa
- ± 10%
- GE921E
- 200~1000 Pa
- 100 Pa
- ± 10%
- GE921F
- 500～2500 Pa
- 150 Pa
- ± 10%
- GE921G
- 1000～54000 Pa
- 200 Pa
- ± 10
Certificate
- 9001 14001
Main Products
Differential Pressure Switch, Flow Switch, Flow Sensor