INTRODUCTION:
Series of AF930 Air Differential Pressure Switch can be used to sense (differential) pressure and flow of air in ducts and pipes.



Typical applications include:

l Filter obstructive alarm.

l Maximum air flow controller for variable air volume systems.

l Air proving in ventilation ducts.

l Burner air control

l Overheating protection for Electric Heater with blower



Technical Specification:

Type
Adjust Range
Return Difference
Deviation

AFS 930.80
20～200 Pa
10 Pa
± 10%

AFS 930.81
30～300 Pa
10 Pa
± 10%

AFS 930.83
50～500 Pa
20 Pa
± 10%

AFS 930.85
100～1000 Pa
20 Pa
± 10%

AFS 930.86
500～2500 Pa
350 Pa
± 10%

AFS 930.87
1000～54000 Pa
100 Pa
± 10%






Ø Max. differential pressure: 5000Pa

Ø Protection Class: IP54

Ø Output: 1.0A (0.4A)/ 250VAC

Ø Working temperature:-20~85℃

Ø Storage temperature: -40~85℃

Ø Min. Actuating pressure:

Standard: 20Pa;

min.starting interval: 10Pa

range: 20~30Pa

Ø Installation direction: vertical (standard installation style)

ØHose connection: pipe 6.0mm