Application
These high quality diaphragm gauges feature rugged construction with high sensitivity.  Gauges are housed in a rugged steel case with screw-in window.  They are ideally suited and designed for pressure measurements below 15 psi.
Size
2.5”, 3”, 4”
Accuracy
±2.5% of Span
Ranges
300, 500, 1000, 1500, 2000, 3000 & 5000mmH2O
or other equivalent units of pressure or vacuum range.
Operating Temperature
Ambient:  -4℉ to 140℉ (-20℃ to 60℃)
Media:   max. 185℉ (+85℃ )

Connection
Material: Copper Alloy
Lower mount (LM)
Center Back mount (CBM)
1/4” or 1/2” NPT
Diaphragm
Copper alloy
Dial
Aluminum, black graduation on white background
Pointer
Aluminum, black coloured, Zero adjustable on dial
Case
Drawn steel, black corrosion resistant paint
Movement
Brass
Window
Snap-in Polycarbonate

Specification Chart1

Specification Chart2