- Dial Sizes: 2.5", 3.5", 4.5"
- Four Case Styles
- Accuracy: ASME B40.1 - 2-1-2%
Marsh Instruments Low Pressure Diaphragm Gauges are universally known for their
dependable performance and accuracy. Incorporating a unique design feature, the diaphragm
element allows accurate low pressure readings in a variety of applications. Featuring a
bronze diaphragm element, the gauge is capable of ASME/ANSI Grade A-1% accuracy for ranges
above 30 inches of water. Ranges are available in vacuum and pressure in inches of water,
ounces per square inch and millimeters of mercury.