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Dwyer USA Magnehelic Gauges 0 To 4.0 Inch WC

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Dwyer USA Magnehelic Gauges 0 To 4.0 Inch WC

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Dwyer USA Magnehelic Gauges 0 To 4.0 Inch WC Specification

Grade
Industrial

Outer Size
4-inch diameter housing

Display
Analog

Thread
1/8 NPT high and low pressure connections

Seal Material
Silicone rubber

Sensor Type
Diaphragm type differential pressure sensor

Material
Die-cast aluminum case

Dial Material
White aluminum with black markings

Pointer Material
Black anodized aluminum

Processing Type
Precision engineered

Diameter
115 mm (4.5 inches)

Glass Size
Full view 4-inch glass window

Mount Type
Surface or flush mount

Scale Range
0 to 4.0 inch WC

Accuracy
2% of full scale

Finishing
Matte anodized case

Measure Pressure Of
Air and non-corrosive gases

Accessories
Panel mounting hardware, two 1/8 NPT plugs

Dwyer USA Magnehelic Gauges 0 To 4.0 Inch WC Trade Information

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

Main Export Market(s)
Australia, North America, South America, Eastern Europe, Middle East, Western Europe, Central America, Asia, Africa

Main Domestic Market
All India

About Dwyer USA Magnehelic Gauges 0 To 4.0 Inch WC

Dwyer USA Magnehelic Gauges 0 To 4.0 Inch WC

Model	Description
2004	Differential pressure gage, range 0-4.0" w.c., minor divisions .10.

The industry standard in indicating low air or gas pressures of positive, negative, or differential pressures.

Large, easy-to-read 4" (102 mm) dial.

No manometer fluid to evaporate, freeze, or cause toxic or leveling problems.

INCLUDES

Two 1/8" NPT plugs, two 1/8" rubber tubing adapters, and three mounting adapters with screws

MORE ABOUT THIS ITEM

The Magnahelic guage is the industry standard to measure fan and blower pressures, filter resistance, air velocity, furnace draft, pressure drop across orifice plates, liquid levels with bubbler systems, and pressures in fluid amplifier or fluidic systems. The gauge's motion is damped with high-viscosity silicone fluid. The zero adjustment screw is conveniently located in the plastic cover, and is accessible without removing the cover. O-ring seal provides pressure tightness. Rugged design resists shock, vibration, and overpressure.

The helix is precision-made from an alloy of high magnetic permeability. Mounted in jeweled bearings, it turns freely, following the maganetic field to move the pointer across the scale. The samarium cobalt magnet is mounted at one end of the range spring and rotates the helix without mechanical linkages.

Specifications & Description

Accuracy	3% full-scale
Dial Size (in)	4
Dial Size (mm)	102
Min Pressure (in WC)	0
Max Pressure (in WC)	0.5
Min Temperature ( F)	20
Max Temperature ( F)	140
Min Temperature ( C)	7
Max Temperature ( C)	60
Liquid Fill	Silicone
Case	Aluminum
Lens Material	Polycarbonate
Process Connection	1/8" NPT(F)
Unit Of Measurement	" WC
Display	analog dial
Media Compatibility	Air and noncombustible, compatible gases
Description	Magnehelic Differential Pressure Gauge, 2004: 0-4.0" w.c

Engineered for Accuracy and Durability

Built with factory calibration and a precision-engineered diaphragm sensor, the Magnehelic Gauge consistently achieves 2% full scale accuracy. Its robust die-cast aluminum case and silicone-sealed components safeguard against environmental hazards, while the clear polycarbonate window provides full visibility. Ideal for industrial and commercial pressure monitoring, it upholds reliable operation even in demanding conditions.

Versatile Applications Across Industries

This gauge excels in various environments, from HVAC systems to clean room monitoring and filter performance evaluation. The instantaneous needle response and analog dial enhance process tracking, making it suitable for widespread deployment in building management and laboratory settings. Side connection ports and multiple mounting options support flexible installations.

Effortless Installation and Maintenance

Featuring an external zero adjustment screw and clearly marked dial, the gauge allows for quick calibration and easy reading. Surface or flush mounting, along with the included panel hardware and plugs, ensures hassle-free setup. The design supports ongoing maintenance with accessible components, ensuring reliable performance over its lifespan.

FAQs of Dwyer USA Magnehelic Gauges 0 To 4.0 Inch WC:

Q: How do I install the Dwyer Magnehelic Differential Pressure Gauge?

A: To install the gauge, use the provided panel mounting hardware for surface or flush mounting. Connect the high and low pressure lines to the 1/8 NPT side ports, following application requirements. Ensure the unit is level and zeroed using the external adjustment screw before operation.

Q: What applications are best suited for this pressure gauge?

A: This Magnehelic Gauge is ideal for monitoring differential pressure in HVAC systems, clean rooms, filter monitoring, and building pressure control. Its designed to measure air and non-corrosive gases, making it a versatile choice for industrial and commercial environments.

Q: When should I perform zero adjustment on the gauge?

A: Its recommended to check and, if needed, zero the gauge during initial installation and routine inspections. Use the external adjustment screw to recalibrate if the needle does not rest at zero when no pressure is applied.

Q: Where should I locate the gauge in my system for optimal performance?

A: Mount the gauge in a clean, accessible area away from vibration sources and direct moisture. For best results, position it close to the point of measurement and at eye level for easy reading and maintenance.

Q: What benefits does the clear polycarbonate window provide?

A: The clear polycarbonate window offers full visibility of the 4-inch analog dial, allowing users to quickly and accurately read pressure values without distortion. It also provides impact resistance and protects the gauge from dust and splashes (IP54 rated).

Q: How does the overpressure protection feature work?

A: The overpressure limit allows the gauge to withstand up to 15 psi, safeguarding internal components from accidental pressure spikes and enhancing the durability of the device in high-demand applications.

Q: What is the process for calibrating this Magnehelic Gauge?

A: Each Magnehelic Differential Pressure Gauge is factory calibrated. If recalibration is necessary, use the external zero adjustment screw while the gauge is not under pressure. For comprehensive recalibration, refer to the manufacturers instructions or consult qualified service personnel.

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