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Dwyer USA Magnehelic Gauges 0.25-0-0.25 Inch WC

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Dwyer USA Magnehelic Gauges 0.25-0-0.25 Inch WC

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Dwyer USA Magnehelic Gauges 0.25-0-0.25 Inch WC Specification

Outer Size
4 inch (approximate front diameter)

Sensor Type
Diaphragm actuated differential pressure gauge

Seal Material
Silicone rubber

Grade
Industrial

Display
Analog

Thread
1/8 NPT high and low pressure taps

Material
Die-cast aluminium case, acrylic lens

Dial Material
White acrylic

Pointer Material
Aluminium painted black

Processing Type
Precision mechanical assembly

Diameter
4 inches

Glass Size
Full front cover acrylic lens

Mount Type
Flush and surface mounting

Scale Range
0.25-0-0.25 Inch Water Column (WC)

Accuracy
2% of full scale

Finishing
Clear acrylic cover

Measure Pressure Of
Differential air and non-corrosive gas pressure

Accessories
Surface mounting brackets, two 1/8 NPT plugs, self-tapping mounting screws, instruction sheet

Connection Location
Side and Back Ports

Over-Pressure Limit
15 psi (1.03 bar)

Ingress Protection
Not Rated (Indoor Use Recommended)

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

Weight
Approximately 450 g (1 lb)

Zero Adjustment
External Screw Adjustment

Dwyer USA Magnehelic Gauges 0.25-0-0.25 Inch WC Trade Information

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

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

Main Domestic Market
All India

About Dwyer USA Magnehelic Gauges 0.25-0-0.25 Inch WC

Dwyer USA Magnehelic Gauges 0.25-0-0.25 Inch WC

Model	Description
2300-0	Differential pressure gage, range 0.25-0-0.25" w.c., minor divisions .01, calibrated for vertical scale position

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	±4% full-scale
Dial Size (in)	4
Dial Size (mm)	102
Min Pressure (in WC)	-0.25
Max Pressure (in WC)	0.25
Wetted Materials	Aluminum
Case	Aluminum
Lens Material	Acrylic
Process Connection	1/8" NPT
Unit Of Measurement	" WC
Display	Analog Dial
Media Compatibility	Gases and liquids compatible with wetted materials
Resolution	0.01
Description	Magnehelic Differential Pressure Gauge, Type , -0.25 to 0 to 0.25" WC

Precise Differential Pressure Measurement

Engineered for monitoring differential pressure of air and non-corrosive gases, the Magnehelic gauge delivers reliable readings within the tight 0.25-0-0.25 Inch WC scale. Its mechanical precision and responsive aluminum pointer make it suitable for a range of HVAC and cleanroom applications, enhancing system safety and efficiency.

Durable and Versatile Construction

This gauge is crafted with a die-cast aluminium case and a full front clear acrylic lens, protecting internal components and prolonging operational life. Its flexibility is highlighted by side and back connection ports, a 4-inch diameter face for easy viewing, and mounting options for both flush and surface installation.

Comprehensive Accessory Set

Each Magnehelic gauge package includes surface mounting brackets, two 1/8 NPT plugs, self-tapping screws, and a user-friendly instruction sheet. These accessories ensure quick setup and seamless integration into your pressure monitoring systems, minimizing installation time and effort.

FAQs of Dwyer USA Magnehelic Gauges 0.25-0-0.25 Inch WC:

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

A: To install the gauge, use the included surface mounting brackets or opt for flush mounting, as per your setup requirements. Connect the high and low pressure taps using 1/8 NPT fittings via the side or back ports. Ensure the gauge is positioned indoors, as it is not rated for outdoor ingress protection.

Q: What types of media can be measured with this gauge?

A: The Dwyer Magnehelic Gauge is designed to measure differential pressure in air and non-corrosive gases. Avoid using it with corrosive fluids or liquids to maintain the integrity and accuracy of the device.

Q: When should I use the external zero adjustment?

A: The external screw adjustment should be used to calibrate the gauge to zero before taking differential pressure measurements. This helps eliminate any offset due to environmental conditions or installation variances, ensuring maximum accuracy.

Q: Where should I mount the Magnehelic Gauge in my facility?

A: Mount the gauge on a clean, vibration-free indoor wall or panel near your monitoring point, utilizing either the flush or surface mounting options. Ensure accessibility for regular observation, maintenance, and adjustment.

Q: What benefits does the clear acrylic front cover offer?

A: The full front clear acrylic lens provides excellent visibility of the analog dial, enhances protection against dust, and resists shattering, making it safe and durable for industrial environments.

Q: How does this gauge maintain measurement accuracy?

A: Precision mechanical assembly and diaphragm actuation deliver a consistent 2% of full scale accuracy. Regular calibration via the external zero screw and proper installation further support reliable readings throughout the gauges lifecycle.

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