Beck – Differential Pressure Switch 930.8x Climair
Adjustable differential pressure switch for monitoring over-pressure, vacuum and differential pressure
of air or other non-combustible, non-aggressive gases. Possible fields of application include:

Monitoring air filters and ventilators
Monitoring industrial cooling-air circuits
Overheating protection for fan heaters
Monitoring flows in ventilation ducts
Controlling air and fire-protection flaps
Frost protection for heat exchangers