Dwyer 2000-20CM Magnehelic Differential Pressure Gauge

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Dwyer 2000-20CM Magnehelic Differential Pressure Gauge

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MOQ : 10 Pieces

Dwyer 2000-20CM Magnehelic Differential Pressure Gauge Specification

Grade
Industrial

Sensor Type
Diaphragm

Thread
1/8 NPT

Seal Material
Silicone gasket

Display
Analog

Outer Size
Approximately 115 mm diameter

Material
Aluminum housing, acrylic cover

Dial Material
Aluminum, white with black markings

Pointer Material
Black molded plastic

Processing Type
Injection molded acrylic front, die-cast aluminum case

Diameter
4 inches (100 mm nominal)

Glass Size
Full front cover

Mount Type
Surface or flush mount

Scale Range
0-20 cm of water

Accuracy
2% of full scale

Finishing
Powder coated housing with glass window

Measure Pressure Of
Steam, Oil, Gas

Accessories
Two plastic static pressure tips, two mounting screws, and instruction sheet

Zero Adjustment
External adjustment screw on face

Response Time
Nearly instantaneous (less than 1 second)

Operating Temperature Range
-7C to 60C (20F to 140F)

Mounting Orientation
Vertical (horizontal on request)

Enclosure Rating
IP54

Weight
Approximately 0.4 kg

Connection Location
Side and back connections (1/8" NPT female)

Maximum Pressure
25 psi (1.7 bar)

Dwyer 2000-20CM Magnehelic Differential Pressure Gauge Trade Information

Minimum Order Quantity
10 Pieces

Payment Terms
Cash Against Delivery (CAD), Cash on Delivery (COD), Cash Advance (CA), Cash in Advance (CID)

Main Export Market(s)
Middle East, Asia

Main Domestic Market
Tripura, Manipur, Dadra and Nagar Haveli, Chandigarh, Himachal Pradesh, Andaman and Nicobar Islands, Pondicherry, Nagaland, Uttarakhand, Daman and Diu, South India, East India, West India, Assam, Arunachal Pradesh, Bihar, Delhi, Goa, Jammu and Kashmir, Jharkhand, Karnataka, Maharashtra, Mizoram, Meghalaya, Rajasthan, Sikkim, Tamil Nadu, Lakshadweep, Uttar Pradesh, Haryana, Gujarat, West Bengal, Madhya Pradesh, North India, Punjab, Telangana, Andhra Pradesh, Kerala, Central India, Odisha, Chhattisgarh, All India

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.

FAQ's of Dwyer 2000-20CM Magnehelic Differential Pressure Gauge:

Q: How does the Dwyer 2000-20CM Magnehelic Differential Pressure Gauge operate?

A: The gauge measures low differential pressures of steam, oil, and gas using a diaphragm-based sensor. Any pressure difference causes the diaphragm to move, which is indicated instantly on the analog display via a mechanical linkage.

Q: What are the key benefits of using this pressure gauge in industrial environments?

A: The Dwyer 2000-20CM offers fast response times (less than one second), precise measurement accuracy (2% of full scale), and robust construction with an IP54 enclosure. These features ensure reliable, real-time monitoring in demanding conditions.

Q: Where can this gauge be mounted and what orientations are supported?

A: It can be installed on surfaces or flush mounted, with standard vertical orientation and optional horizontal mounting upon request. It includes both side and back 1/8" NPT female connections for adaptable placement.

Q: What is included with the Dwyer 2000-20CM Magnehelic Gauge upon purchase?

A: The package contains the gauge itself, two plastic static pressure tips, two mounting screws, and an instruction sheet for straightforward installation and setup.

Q: How can users adjust the zero reading on this pressure gauge?

A: Zero adjustment is easily performed using the external adjustment screw located on the gauge face, allowing for quick recalibration without disassembling the device.

Q: In which environments and temperatures can the gauge operate?

A: Designed for industrial applications, this gauge operates reliably within a temperature range of -7C to 60C (20F to 140F) and withstands maximum pressure up to 25 psi (1.7 bar).

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