Products-Diaphragm Gauges

 

DESCRIPTION

Howe Precision Diaphragm Gauges are designed for low pressure or vacuum measurement. An ex-tremely sensitive phosphor bronze diaphragm element allows for accurate measurement of low pressure and vacuum in a variety of applications where the media is not corrosive to phosphor bronze.Ranges are available to measure low pressure and vacuum in inches of water, ounces per square inch,and millimeters of mercury.

SPECIFICATIONS

Dial Size:
2-1/2″(63mm),3″(75mm) 4″(100mm)
Case Material:
Steel-Black Finish, Steel-Chrome Plated(Optional)
Case Style:
Flangeless, Bottom Connection Flangeless, CenterBack Connection
Ring:
Friction Fit Type
Lens:
Polycarbonate(Plastic)
Pointer:
Aluminum - Black Finish
Dial Color:
Black markings on white for single scale. Black and blue markings on white for dual scale(psi & metric)
Movement:
Brass
Diaphragm Element:
Phosphor Bronze
Socket Connection:
Brass
Connection Size:
1/8NPT, 1/4NPT, 1/2NPT
Accuracy:
±3-2-3% for 2-1/2″& 3″dial sizes. ±2-1-2% for 4″dial sizes
Restrictor:
Optional

APPLICATIONS

HVAC systems, gas distribution systems, burner and gas combustion service, medical and biomedical, bubblr water level systems, filtration systems