Model A2G-40

Differential pressure switch

For ventilation and air-conditioning

Selected documents
Sales contact

WIKA Instruments Ltd.

+64 9 847 9020
+64 9 846 5964


    • For dry, clean, non-aggressive gases, usually air
    • Monitoring of ventilators, blowers and filters in air-conditioning and clean room applications
    • Overpressure monitoring in clean rooms and laboratories

Special features

    • Easy to install and assemble
    • Very reliable
    • Robust case and practical design


The model A2G-40 differential pressure switch, in the Δp function, monitors filters and ventilators in ventilation ducts and air shutters.

Five pressure range increments are available. The differential pressure switch is characterised by its simple mounting and high reliability.