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.

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20T / 25T Series Temperature Swichgage®

2-inch and 2.5-inch Temperature Swichgage®

A20T / A25T Series Temperature Swichgage®

2-inch and 2.5-inch pressure Swichgage® with sealed-polycarbonate case

20P / 25P Series Pressure Swichgage®

2-inch and 2.5-inch Pressure Swichgage®

A20 / A25P Series Pressure Swichgage®

2-inch and 2.5-inch pressure Swichgage® with sealed-polycarbonate case

20V / 25V / A20V / A25V Series Vacuum Swichgage®

2-inch and 2.5-inch Vacuum Swichgage®

20DP / 25DP / A20DP / A25DP Series Differential Pressure Swichgage®

2-inch and 2.5-inch Differential Pressure Swichgage® for Filter Restriction

B-Series Murphygage®

2-inch and 2.5-inch gauge-only temperature, pressure and vacuum instruments