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Dwyer USA Magnehelic Gauges 0 To 100 Inch WC

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Dwyer USA Magnehelic Gauges 0 To 100 Inch WC

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Dwyer USA Magnehelic Gauges 0 To 100 Inch WC Specification

Bourdon Tube
Not Applicable (Uses diaphragm sensing)

Grade
Industrial

Display
Analog

Sensor Type
Diaphragm

Thread
1/8 NPT Female

Outer Size
Approx. 4 inch diameter case

Seal Material
Silicone rubber diaphragm

Material
Die-cast aluminum case

Dial Material
Polystyrene

Pointer Material
Aluminum

Processing Type
Precision engineered

Diameter
4 inch (101.6 mm)

Glass Size
Clear acrylic lens

Mount Type
Surface or flush mount

Scale Range
0 to 100 inch WC (Water Column)

Accuracy
2% of full scale

Finishing
Powder coated case with clear acrylic lens

Measure Pressure Of
Air and non-corrosive gases

Accessories
Mounting bracket, Two plastic pressure connectors, Three adaptors, Two screws, Instruction guide

Dwyer USA Magnehelic Gauges 0 To 100 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, North America, South America, Eastern Europe, Middle East, Western Europe, Africa, Central America, Asia

Main Domestic Market
All India

About Dwyer USA Magnehelic Gauges 0 To 100 Inch WC

Dwyer USA Magnehelic Gauges 0 To 100 Inch WC

Model	Description
2100	Differential pressure gage, range 0-100" w.c., minor divisions 2.0.

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, 2100: 0-100" w.c

Reliable Precision for Critical Applications

Engineered for consistent and precise measurement, the Dwyer Magnehelic Gauge delivers 2% accuracy and features an easily readable analog display. Its die-cast aluminum body and powder-coated finish resist harsh environmental conditions, making it ideal for industrial and laboratory settings such as HVAC, clean room, and airflow monitoring.

Versatile Mounting and Simple Maintenance

With multiple mounting optionssurface or flushthe gauge can be installed to meet various system designs. Its external zero adjustment screw allows for straightforward field calibration, ensuring long-term accuracy and reliability with minimal effort.

Full Compliance and Trusted Calibration

Factory calibrated to NIST traceable standards, this Magnehelic Gauge guarantees dependable results right out of the box. It conforms to CE and RoHS standards, underscoring its commitment to safety, quality, and environmentally responsible manufacturing.

FAQs of Dwyer USA Magnehelic Gauges 0 To 100 Inch WC:

Q: How is the Dwyer Magnehelic Gauge installed, and what accessories are included?

A: Installation can be surface or flush mounted, matching most application needs. The gauge package comes complete with a mounting bracket, two plastic pressure connectors, three adaptors, two screws, and an instruction guide to facilitate quick and accurate setup.

Q: What pressure ranges and media can the gauge measure?

A: The gauge measures differential pressure from 0 to 100 inches of water column (WC) for air and non-corrosive gases. Its diaphragm sensor ensures sensitive yet robust pressure detection suitable for industrial environments.

Q: When should the external zero adjustment screw be used?

A: The external zero adjustment screw is intended for use during initial installation or scheduled maintenance when recalibration is needed. It enables users to fine-tune the gauge to zero for consistent, error-free readings.

Q: Where is this gauge typically used?

A: This Magnehelic Gauge is widely used in HVAC systems, air handling units, clean room pressure monitoring, and filter performance verification, particularly where accuracy and reliability are essential.

Q: What benefits does the mirror scale and fine resolution offer?

A: The mirror scale eliminates parallax errors, providing more accurate readings. Fine resolution also helps in detecting small pressure variations, crucial for demanding industrial and laboratory tasks.

Q: Is the gauge suitable for corrosive gases or liquids?

A: No, the Magnehelic Gauge is engineered specifically for air and non-corrosive gases only. Using it with liquids or corrosive gases could damage internal components and affect accuracy.

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