Diaphragm Gauges


Diaphragm gauges from Marsh Instruments are pressure instruments and gauges, universally known for their dependable performance and accuracy. The units incorporate a unique bronze diaphragm element and solid safecase design, allowing for accurate low-pressure readings in support of a variety of applications, with ASME Grade A-1% accuracy for ranges above 30″ of water. Available ranges include vacuum and pressure in inches of water, ounces per square inch and millimeters of mercury.


Diaphragm Gauges ASME Grade A-1% Accuracy

Diaphragm Gauges ASME Grade A-1% Accuracy

Marsh low-pressure diaphragm gauges are universally known for their dependable performance and accuracy, with ASME Grade A-1% accuracy for ranges above 30″ of water.

Vacuum Cleaner Test Gauge

Vacuum Cleaner Test Gauge

Vacuum Cleaner Test Gauge from Marsh Instruments.  Please consult the factory for details.

Gas Pressure Test Set

Gas Pressure Test Set

Gas Pressure Test Set from Marsh Instruments. Please Consult Factory for details.