Description

• Dial Sizes: 21⁄2”, 31⁄2”, 41⁄2”
• Four Case Styles
• Accuracy: ASME B 40.1 – 2/1/2%
Marsh Instruments Low P ressure Diaphragm Gauges are universally known for their dependable performance and
accuracy. Incorporating a unique design feature, the diaphragm element in this gauge allows accurate low pressure
readings in a variety of applications. Featuring a bronze diaphragm element, the gauge is capable of ASME Grade
A-1% accuracy for ranges above 30” of water. Ranges are available in vacuum and pressure in inches of water,
ounces per square inch and millimeters of mercury.
Typical applications include HVAC systems and low pressure gas burner systems.