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Dwyer Digital Panel Meter: 9,999 Display Span - Max, 100 V AC – 240 V AC, 132 V DC – 240 V DC - Differential Pressure Controllers
DwyerDifferential Pressure Controllers

Dwyer Digital Panel Meter: 9,999 Display Span - Max, 100 V AC – 240 V AC, 132 V DC – 240 V DC

The Dwyer DH-009 is a differential pressure controller with a 9,999 display span LCD panel meter. It features a black enclosure rated NEMA 4X, +/-0.5% accuracy, and (2) SPDT relay outputs rated 8 A @ 240 VAC…

SKU 3G-OTH-128370

Also listed as: DH009 · DH 009

Brand
Dwyer
Item
Digital Panel Meter: 9,999 Display Span - Max, 100 V AC – 240 V AC, 132 V DC – 240 V DC
Category
Differential Pressure Controllers
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Technical Specifications

Dwyer
Manufacturer Part Number
DH-009
Type
- Max, 100 V AC – 240 V AC, 132 V DC – 240 V DC, 9,999

Technical Documents

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

Product Description

The Dwyer DH-009 is a differential pressure controller with a 9,999 display span LCD panel meter. It features a black enclosure rated NEMA 4X, +/-0.5% accuracy, and (2) SPDT relay outputs rated 8 A @ 240 VAC resistive. The unit accepts 100-240 VAC or 132-240 VDC power and includes RS-485 communication with screw clamp terminals.

Frequently Asked Questions

What is the Dwyer DH-009 differential pressure controller used for?

The Dwyer DH-009 is used to monitor and control differential pressure in HVAC, industrial process, and cleanroom applications. It provides a 9,999-span LCD display, dual SPDT relay outputs, and RS-485 communication for remote monitoring and system integration.

What are the specifications of the Dwyer DH-009?

The Dwyer DH-009 offers ±0.5% accuracy, a NEMA 4X black enclosure, and accepts 100–240 VAC or 132–240 VDC power. It includes (2) SPDT relay outputs rated 8 A @ 240 VAC resistive, RS-485 communication, and screw clamp terminals for wiring.

Where to buy the Dwyer DH-009 worldwide?

3G Electric supplies the Dwyer DH-009 differential pressure controller to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time; we source genuine Dwyer products through our global supply network.

How to install the Dwyer DH-009 differential pressure controller?

Mount the DH-009 in a dry location within its NEMA 4X rated enclosure. Connect power per the label (100–240 VAC or 132–240 VDC) and wire the (2) SPDT relays and RS-485 communication using the screw clamp terminals. Refer to the included instructions for proper setup and calibration.

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 controllers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
DWYER Digital Panel Meter: 9,999 Display Span - Max, 100 V AC – 240 V AC, 132 V DC – 240 V DC, 9,999 (MPN DH-010)
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DWYER Digital Panel Meter: 9,999 Display Span - Max, 100 V AC – 240 V AC, 132 V DC – 240 V DC, 9,999 (MPN DH-010)
DWYER Digital Panel Meter: 9,999 Display Span - Max, 100 V AC – 240 V AC, 132 V DC – 240 V DC, 9,999 (MPN DH-015)
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DWYER Digital Panel Meter: 9,999 Display Span - Max, 100 V AC – 240 V AC, 132 V DC – 240 V DC, 9,999 (MPN DH-015)
DWYER Digital Panel Meter: 9,999 Display Span - Max, 100 V AC – 240 V AC, 132 V DC – 240 V DC, 9,999 (MPN DH-007)
Dwyer
DWYER Digital Panel Meter: 9,999 Display Span - Max, 100 V AC – 240 V AC, 132 V DC – 240 V DC, 9,999 (MPN DH-007)
DWYER Digital Panel Meter: 9,999 Display Span - Max, 100 V AC – 240 V AC, 132 V DC – 240 V DC, 9,999 (MPN DH-004)
Dwyer
DWYER Digital Panel Meter: 9,999 Display Span - Max, 100 V AC – 240 V AC, 132 V DC – 240 V DC, 9,999 (MPN DH-004)
DWYER Digital Panel Meter: 9,999 Display Span - Max, 100 V AC – 240 V AC, 132 V DC – 240 V DC, 9,999 (MPN DH-014)
Dwyer
DWYER Digital Panel Meter: 9,999 Display Span - Max, 100 V AC – 240 V AC, 132 V DC – 240 V DC, 9,999 (MPN DH-014)

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