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Dwyer USA Magnehelic Gauges 0 To 25 Inch WC

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Dwyer USA Magnehelic Gauges 0 To 25 Inch WC

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Dwyer USA Magnehelic Gauges 0 To 25 Inch WC Specification

Thread
1/8 NPT rear fitting

Outer Size
115 mm diameter

Sensor Type
Diaphragm

Grade
Industrial

Seal Material
Silicone rubber

Display
Analog

Material
Die-cast aluminum case, acrylic lens

Dial Material
White coated steel

Pointer Material
Aluminum

Processing Type
Precision calibrated

Diameter
115 mm

Glass Size
105 mm

Mount Type
Flush or Surface Mount

Scale Range
0 to 25 Inch WC (Water Column)

Accuracy
2% of full scale

Finishing
Powder coated, corrosion resistant

Measure Pressure Of
Low pressure (air and non-corrosive gases)

Accessories
Mounting hardware, Instructions manual

Dwyer USA Magnehelic Gauges 0 To 25 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, Eastern Europe, Middle East, Africa, South America, Western Europe, Asia, Central America, North America

Main Domestic Market
All India

About Dwyer USA Magnehelic Gauges 0 To 25 Inch WC

Dwyer USA Magnehelic Gauges 0 To 25 Inch WC

Model	Description
2025	Differential pressure gage, range 0-25" w.c., minor divisions .50.

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, 2025: 0-25" w.c

Reliable Pressure Measurement for Industrial Applications

Engineered for accuracy and long-term reliability, the Dwyer Magnehelic Gauge measures differential pressure in air and non-corrosive gases. Its sturdy construction and corrosion-resistant finish make it suitable for challenging environments. The analog display provides clear readings, while the vertical mounting option optimizes performance. Ideal for a variety of industrial settings, it supports both flush and surface mounting with included hardware.

Comprehensive Features with User-Centric Design

With a focus on operational ease, this gauge comes with a precision-calibrated scale and a silicone rubber seal for enhanced lifespan. Its die-cast aluminum case provides resilience, and the powder coating offers lasting protection. The included instruction manual simplifies installation and maintenance, ensuring hassle-free use even for first-time operators.

FAQs of Dwyer USA Magnehelic Gauges 0 To 25 Inch WC:

Q: How do I install the Dwyer Magnehelic Gauge for optimal performance?

A: For best results, the gauge should be mounted vertically using either the flush or surface mounting options with the provided hardware. Ensure the dual rear 1/8 NPT fittings are securely connected to your low pressure source. Follow the included instruction manual for a step-by-step setup.

Q: What types of media can this gauge measure?

A: This gauge is engineered to measure low pressure in air and other non-corrosive gases. It is not suitable for measuring corrosive or liquid media.

Q: When should I check calibration or accuracy of the gauge?

A: It is recommended to verify gauge calibration during routine maintenance or if you notice irregular readings. Since the gauge is precision calibrated during processing, regular checks help maintain its accuracy of 2% of full scale.

Q: Where can this gauge be used in industrial settings?

A: The Dwyer Magnehelic Gauge is designed for use in industrial environments such as HVAC systems, clean rooms, filter monitoring, and process control panels where low differential pressure of air or non-corrosive gases must be measured.

Q: What are the benefits of the Magnehelic Gauges construction materials?

A: The die-cast aluminum case provides sturdy protection while the acrylic lens and powder-coated finish enhance durability and corrosion resistance. Silicone rubber seals ensure a tight, long-lasting fit, even in harsh industrial settings.

Q: How does the overpressure limit protect the gauge?

A: The gauge is rated to withstand overpressure up to 500% of its full-scale value, offering protection against unexpected pressure surges and extending the gauges operational lifespan.

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