The A20 Series (2 inch/51 mm dial) and the A25 Series (2-1/2 inch/64 mm dial) Swichgage® instruments are diaphragm-actuated, pressure-indicating gages, with built-in electrical switches for tripping alarms and/or shutdown devices.
Features:
- Corrosion resistant polycarbonate case
- Indicating gage and limit switch
- Switch can activate alarms and/or shut down equipment
- Critical pressure limit switch is visible and adjustable (most models)
- Contact(s) isolated from ground
