DWYER USA Magnehelic Gauges 0 To 50 MM WC

Service:

Air and non-combustible, compatible gases (natural gas option available). Note: May be used with hydrogen. Order a Buna-N diaphragm. Pressures must be less than 35 psi

Wetted Materials:

Consult factor

Housing:

Die cast aluminum case and bezel, with acrylic cover. Exterior finish is coated gray to withstand 168 hour salt spray corrosion test

Accuracy:

±2% of FS (±3% on - 0, -100 Pa, -125 Pa, 10MM and ±4% on - 00, -60 Pa, -6MM ranges), throughout range at 70°F (21.1°C

Pressure Limits:

-20 in Hg to 15 psig (-0.677 to 1.034 bar); MP option: 35 psig (2.41 bar); HP option: 80 psig (5.52 bar).

Overpressure:

Relief plug opens at approximately 25 psig (1.72 bar), standard gages only. See Overpressure Protection Note on next page

Temperature Limits:

20 to 140°F* (-6.67 to 60°C). -20°F (-28°C) with low temperature option

Size:

4 (101.6 mm) diameter dial face

Mounting Orientation:

Diaphragm in vertical position. Consult factory for other position orientations

Standard Accessories:

Two 1/8 NPT plugs for duplicate pressure taps, two 1/8 pipe thread to rubber tubing adapter, and three flush mounting adapters with screws. (Mounting and snap ring retainer substituted for three adapters in MP & HP gage accessories.)