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 millimetres of mercury.
