Description
- Diaphragm Internals for Accurate Low Pressure Measurement
- HVAC
- Boiler
- Burner
- Oil & Gas
- Industrial
- Commercial
Low Pressure Gauges from Marsh Instruments incorporate a diaphragm element allowing for accurate low-pressure readings in support of a variety of applications, with ASME Grade A 2/1/2% accuracy for ranges above 30” of water. Available ranges include vacuum and pressure in inches of water, ounces per square inch, kilopascals, and millimeters of mercury.
View Spec Sheet
View Catalog
Fast Quote
Spec accuracy | For Ranges 30" H2O and above: 2/1/2%(ASME Grade A), For Ranges Below 30" H2O: 3/1/3% |
---|---|
Bezel | Twist Lock Lens |
Connection | 1/8" or 1/4" NPT |
Design | Meets/Exceeds ASME B40.100 |
Pointer | Aluminum, Black Painted |
Mount | Center Back Mount |
Vent plug | N/A |
Accuracy | For Ranges 30" H2O and above: 2/1/2%(ASME Grade A), For Ranges Below 30" H2O: 3/1/3% |
Subtitle | Diaphragm/Capsule Internals |
Series | G Series |
Dial color | Black Markings on White |
Dial size | 2.5" |
Pressure ranges | Low Pressure Vacuum Pressure 10" H20 through 10 psi |
Case | Steel, Black Painted |
Standard case fill | Dry, Non-Fillable |
Window | Acrylic Twist-in Clearlok |
Movement | Brass |
Dial sizes | 2.5" |
Ambient temperature | '-40 to 160F |
Internal material | Copper Alloy |
Tube socket | Phosphor Bronze Diaphragm |
Standard scale | Dual Scale with kPa, Triple Scale: oz/in², in H20, & kPa |
Weights | see variation page |