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Dwyer Indicating Differential Transmitter: Digital, 0 in wc to 1 in wc, Screw Terminals - Differential Pressure Transmitters with Digital Display
DwyerDifferential Pressure Transmitters with Digital Display

Dwyer Indicating Differential Transmitter: Digital, 0 in wc to 1 in wc, Screw Terminals

The Dwyer DM-2000 Series DM-004 is a digital differential pressure transmitter with a digital display, offering an accuracy of ±1.00% of Full Scale. It features a glass housing, hose barb process connections, and a 4…

SKU 3G-OTH-175063

Also listed as: DM004 · DM 004

Brand
Dwyer
Item
Indicating Differential Transmitter: Digital, 0 in wc to 1 in wc, Screw Terminals
Category
Differential Pressure Transmitters with Digital Display
Available to Order
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Dwyer
Manufacturer Part Number
DM-004
Series
DM-2000
Type
0 in wc to 1 in wc, Screw Terminals
Dia
4.75 in
Accuracy
±1.00% of Full Scale
Display Type
Digital
Output Power
4 to 20mA DC
Indicator Type
Digital
Housing Material
Glass
Process Connection Type
Hose Barb
Includes NIST-Traceable Calibration Certificate
No NIST-Traceable Calibration Certificate Included

Technical Documents

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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dwyer DM-2000 Series DM-004 is a digital differential pressure transmitter with a digital display, offering an accuracy of ±1.00% of Full Scale. It features a glass housing, hose barb process connections, and a 4 to 20mA DC output power. This unit has a 0 in wc to 1 in wc range and includes screw terminals.

Frequently Asked Questions

What is the Dwyer DM-004 differential pressure transmitter used for?

The Dwyer DM-004 is used to measure and indicate low differential pressure in HVAC, cleanroom, and industrial process applications. It provides a 4 to 20mA DC output for remote monitoring and features a digital display for local readings.

What are the specifications of the Dwyer DM-004?

The Dwyer DM-004 has a range of 0 in wc to 1 in wc, accuracy of ±1.00% of Full Scale, digital display, glass housing, hose barb connections, screw terminals, and 4 to 20mA DC output. It is part of the DM-2000 series and has a 4.75 in diameter.

Where to buy the Dwyer DM-004 worldwide?

You can source the Dwyer DM-004 from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install the Dwyer DM-004 differential pressure transmitter?

Mount the Dwyer DM-004 in a clean, dry location using the hose barb connections for pressure lines. Wire the screw terminals to a 4 to 20mA DC loop. Ensure the process lines are leak-free and the unit is oriented per Dwyer guidelines for accurate readings.

Used in

Common applications for Dwyer
Combustion air-filter monitoring — Magnehelic Series 2000 on burner air-intake filter banks
Clean-room and pharmaceutical pressurisation — Magnehelic / Capsuhelic differential-pressure gauges
HVAC fan-discharge static pressure — Mark II inclined-vertical manometers on AHU test points
Filter-blockage alarms — Photohelic Series 3000 combined gauge/switch on air-handling units
BMS-integrated pressure monitoring — Digihelic DH3 with 4–20 mA output for building management

Dwyer Products

3G Electric supplies Dwyer differential pressure transmitters with digital display. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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