Mechanical Swichgage® & Murphygage® Instruments

Swichgage instruments are high-quality diaphragm-actuated, dial gauges for various with built-in electrical switches. Used for tripping alarms and/or shutdown devices, the pointer acts as both an indicator and as one switch pole which completes a circuit when it touches the adjustable limit contact. Contacts have a self-cleaning motion to ensure electrical continuity. More compact, gauge-only models without contacts (known as Murphygage instruments) are also available.


The B-Series Murphygage® instrument is a high-quality, diaphragm-actuated indicating gage. Built by Enovation Controls with the same heavy-duty design as the standard 20 series and 25

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