DWYER Magnehelic Gauge, 1/8 in. FNPT w/ 4 in. Dial 2025

Dwyer Magnehelic differential pressure gauge is the brand to use compared to any "knock-offs". Differential pressure range in 0 to 25 inches of water.Select the Magnehelic gauge for high accuracy--guaranteed within 2% of full scale. Using Dwyer's simple, frictionless Magnehelic gauge movement, it quickly indicates low air or non-corrosive gas pressures--either positive, negative (vacuum) or differential. The design resists shock, vibration and over-pressures. No manometer fluid to evaporate, freeze or cause toxic or leveling problems. Manufactured in the USA. Features Trusted patented design Bezel provides flange for flush mounting in panel. Clear plastic face is highly resistant to breakage. Provides undistorted viewing of pointer and scale. Precision litho-printed scale is accurate and easy to read. Pointer stops of molded rubber prevent pointer over-travel without damage. Zero adjustment screw is conveniently located in the plastic cover, and is accessible without removing the cover. O-ring seal provides pressure tightness. Used in hospital/isolation rooms Specifications 0-25 inches water column. Easy to read 4 in. dial w/0.5 primary range graduation 20° to 140° F Operating temperature range 1/8 in. FNPT connection on back and side Die cast aluminum body and dial 1 year manufactures warranty Includes Instructions (2) 1/8 in. NPT plugs (2) 1/8 in. NPT to 3/16 in. I.D. rubber tubing adapters (3) Mounting adapters with screws