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Dwyer USA Magnehelic Gauges 5-0-5 MM WC

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Dwyer USA Magnehelic Gauges 5-0-5 MM WC Specification

Bourdon Tube
Not Applicable (Uses diaphragm mechanism)

Seal Material
Silicone or Buna-N

Grade
Industrial Grade

Thread
1/8 NPT

Sensor Type
Differential Pressure Gauge

Outer Size
Standard

Display
Analog

Material
Die Cast Aluminum Case, Acrylic Cover

Dial Material
Plastic/Acrylic

Pointer Material
Aluminum

Processing Type
Precision Machined

Diameter
100 mm (4 in)

Glass Size
95 mm

Mount Type
Surface/Panel Mount

Scale Range
5-0-5 mm WC

Accuracy
2% of Full Scale

Finishing
Powder Coated/Aluminium Die Cast

Measure Pressure Of
Air and Non-corrosive Gases

Accessories
Mounting hardware, installation manual

Dwyer USA Magnehelic Gauges 5-0-5 MM WC Trade Information

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

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

Main Domestic Market
All India

About Dwyer USA Magnehelic Gauges 5-0-5 MM WC

Dwyer USA Magnehelic Gauges 5-0-5 MM WC

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	±2% full-scale
Dial Size (in)	4
Dial Size (mm)	102
Min Pressure (in WC)	0
Max Pressure (in WC)	10
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	0.20
Description	Magnehelic Differential Pressure Gauge, Type , 5-0-5 MM WC

Rugged Design for Accurate Measurements

Engineered with a die-cast aluminum body and acrylic cover, the Magnehelic 5-0-5 mm WC is built to withstand industrial use. Its IP52 protection and powder-coated finish offer added durability, while the precision-machined internals ensure consistent and repeatable results when monitoring air or non-corrosive gas pressures.

Seamless Installation and User-Friendly Adjustment

The gauge features both side and back connections, supporting flexible installation on surfaces or panels. Included mounting hardware and a clear installation manual simplify the setup process. External zero adjustment through an accessible knob allows users to recalibrate quickly, enhancing day-to-day usability.

Versatility Across Critical Applications

Ideal for HVAC, clean rooms, laminar flow cabinets, and filter monitoring, the Magnehelic 5-0-5 mm WC delivers reliable differential pressure readings. Its compatibility with air and non-corrosive gases and its analog display make it suitable for maintaining operational integrity in sensitive and controlled environments.

FAQs of Dwyer USA Magnehelic Gauges 5-0-5 MM WC:

Q: How do I install the Dwyer Magnehelic 5-0-5 mm WC gauge?

A: The gauge is designed for easy installation on both surfaces and panels using the included mounting hardware. You can connect it via the side or back 1/8 NPT thread ports, following the guidelines in the supplied installation manual.

Q: What is the primary benefit of using this Magnehelic gauge in HVAC and clean room applications?

A: This gauge provides precise differential pressure readings, essential for monitoring air flow and filter performance. Maintaining proper pressure levels ensures optimal air quality, system efficiency, and regulatory compliance in controlled spaces.

Q: When should I use the zero adjustment feature?

A: Use the external zero adjustment knob to recalibrate the gauge if readings drift from the true zero mark, particularly before initial use or after routine maintenance, ensuring measurement accuracy.

Q: Where can the Magnehelic 5-0-5 mm WC gauge be mounted?

A: It can be mounted on flat surfaces or panels, making it suitable for placement in control panels, walls of clean rooms, HVAC units, or on filter housings, depending on your measurement needs.

Q: What process does the gauge use to measure differential pressure?

A: The gauge operates using a diaphragm mechanism to accurately measure the difference in air or non-corrosive gas pressure. Changes in pressure deflect the diaphragm, which is displayed via the analog pointer.

Q: Which gases can be safely measured with this differential pressure gauge?

A: The Magnehelic 5-0-5 mm WC is designed for measuring differential pressure in air and non-corrosive gases, making it unsuitable for aggressive or corrosive chemicals.

Q: What makes this gauge reliable for industrial applications?

A: Its IP52-rated protection, robust die-cast aluminum body, high accuracy (2% full scale), and wide operating temperature range (-7C to 60C) make it ideal for demanding, critical environments.

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