Murphy: 20P-B3I Series Mechanical Pressure gauge with switch
These gauges are identical to the 20P series in that they have a single adjustable contact point which triggers upon low pressure and have transparent cut outs, built into the case so that it can be illuminated using the Murphy Illuminatin Kit 05702176
'Combination Indicating Gauge' and 'Limit Switch'
Critical Low pressure Limit Switch Is Visible and Adjustable
Switch can activate alarms and/or shut down equipment
Contact 'grounds' through case
Note: Illumination Kit p/n: 05702176 required- sold seperately.
Industrial engines and equipment in Oil Field, Marine, Irrigation, Construction and Trucking industries. Monitoring Engine Coolant, Crankcase Oil, Transmission Oil.