Dwyer 2000-20CM Magnehelic Differential Pressure Gauge

About Dwyer 2000-20CM Magnehelic Differential Pressure Gauge

Dwyer 2000-20CM Magnehelic Differential Pressure Gauge

Model: 2000 Differential Pressure Gage, Range 0-20 CM W.C., Minor Divisions 0.50.

Bezel provides Flange For Flush Mounting in Panel. Clear Plastic Face is Highly Resistant to Breakage. Provides Undistorted Viewing of Pointer and Scale.

Dwyer 2000 MAGNEHELIC DIFFERENTIAL PRESSURE GAUGE 0-20 CM

Precision litho-printed scale is accurate and easy to read.

Red tipped pointer of heat treated aluminum tubing is easy to see. It is rigidly mounted on the helix shaft.

Pointer stops of molded rubber prevent pointer over-travel without damage.

"Wishbone" assembly provides mounting for helix, helix bearings and pointer shaft.

Jeweled bearings are shock-resistant mounted; provide virtually friction-free motion for helix. Motion damped with high viscosity silicone fluid.

Zero adjustment screw is conveniently located in the plastic cover, and is accessible without removing the cover. O-ring seal provides pressure tightness.

Helix is precision made from an alloy of high magnetic permeability. Mounted in jeweled bearings, it turns freely, following the magnetic field to move the pointer across the scale.

Samarium Cobalt magnet mounted at one end of range spring rotates helix without mechanical linkages.

Calibrated range spring is flat spring steel. Small amplitude of motion assures consistency and long life. It reacts to pressure on diaphragm. Live length adjustable for calibration.

Silicone rubber diaphragm with integrally molded O-ring is supported by front and rear plates. It is locked and sealed in position with a sealing plate and retaining ring. Diaphragm motion is restricted to prevent damage due to over pressures.

Die cast aluminum case is precision made and iridite-dipped to withstand 168 hour salt spray corrosion test. Exterior finished in baked dark gray hammerloid. One case size is used for all standard pressure options, and for both surface and flush mounting.

Blowout plug of silicone rubber protects against overpressure on 15 psig rated models. Opens at approximately 25 psig.

O-ring seal for cover assures pressure integrity of case.

Durable Construction for Demanding Environments

Built with an aluminum housing, silicone gasket, and powder-coated finish, the Dwyer 2000-20CM is engineered for longevity in industrial environments. The die-cast aluminum case, acrylic front, and glass window ensure resistance to harsh conditions, while the IP54 rating offers protection against dust and water ingress.


Instantaneous Response for Accurate Monitoring

This differential pressure gauge delivers near-instantaneous readings, responding in less than one second. The precise analog display, aided by a black molded plastic pointer and a clearly marked aluminum dial, allows for quick and reliable assessment of system pressures.


Versatile Installation Options

The gauge can be mounted vertically by default, with horizontal orientation available on request. It supports surface or flush mounting, and features both side and back 1/8" NPT female connections for flexible installation. Accessories like static pressure tips and mounting screws simplify setup.