Designed with adjustable switching pressure for Ex zones 0, 1, 2 and 21, 22
Adjustable pressure switch monitoring overpressure, vacuum or differential pressure of liquid and gaseous – also aggressive – media.
The pressure switch uses a scaled adjustment knob to adjust the trip and reset pressure without using a screwdriver.
Applications of the Adjustable Pressure switch 901 Ex Prescal
- Wastewater technology
- Liquid level measurement
- Pump control
- Medical technology
Technical Specifications of Adjustable Pressure switch 901 Ex Prescal
Medium
Air, (non-)combustible and aggressive gases and vapours
Temperature ranges:
Medium and ambient temperature: -20° C to +85° C
Storage temperature: -40° C to +85° C
Trip pressure ranges:
Overpressure:
5 to 20 mbar (min. measuring range)
7 to 12 bar (max. measuring range)
Vacuum:
-5 to -20 mbar (min. measuring range)
-300 to -700 mbar (max. measuring range)
Differential pressure:
5 to 20 mbar (min. measuring range)
10 to 50 mbar (max. measuring range)
