Honeywell Kromschroder make DG Series Diaphragm type pressure switch for industrial application for air and gas pressure range Min.: 0.4 mbar (0.01 psi) Max.: 500 mbar (7.25 psi).
The silicone free micro switch switches for monitoring gas pressures on industrial installations for gas and air. It is also capable of monitoring biologically produced methane. It also comes with a hand wheel used for switching point adjustment. EC type-tested, it is capable for use as special-design pressure switches. This device adheres to Gas Appliances Directive (90/396/EEC), the Low Voltage Directive (2006/95/EC) to go with Pressure Equipment Directive (97/23/EC) in conjunction with EN 1854.