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Dwyer A3030 Low Operating Pressure Differential Gauge with Switch - Low Operating Pressure Differential Gauges with Switch
DwyerLow Operating Pressure Differential Gauges with Switch

Dwyer A3030 Low Operating Pressure Differential Gauge with Switch

The Dwyer A3030 is a low operating pressure differential gauge with switch from the A3000 series, featuring a 4-inch dial and a 1/8-inch NPT female connection. It utilizes a diaphragm sensor with ±2% gauge accuracy…

SKU 3G-OTH-175313

Also listed as: A 3030 · A-3030

Brand
Dwyer
Item
A3030 Low Operating Pressure Differential Gauge with Switch
Part Number
A3030
Category
Low Operating Pressure Differential Gauges with Switch
Available to Order
Also known as:A3030Dwyer
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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
A3030
Series
A3000
Type
±2% Gauge Accuracy, A3000, Aluminum
Dial
4 in
Sensor Type
Diaphragm
Gauge Accuracy
±2%
Housing Material
Aluminum
Certificate of Calibration
Not Included

Technical Documents

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

Product Description

The Dwyer A3030 is a low operating pressure differential gauge with switch from the A3000 series, featuring a 4-inch dial and a 1/8-inch NPT female connection. It utilizes a diaphragm sensor with ±2% gauge accuracy and an aluminum housing. Note that a certificate of calibration is not included with this unit.

Frequently Asked Questions

What is the Dwyer A3030 pressure switch/gauge used for?

The Dwyer A3030 is a low operating pressure differential gauge with switch, used in HVAC, filtration, and industrial process applications to measure and control low air or compatible gas pressure differences. Its 4-inch dial and ±2% accuracy suit monitoring fan, blower, and filter performance.

What are the specifications of the Dwyer A3030?

The Dwyer A3030 is from the A3000 series, with a diaphragm sensor, ±2% gauge accuracy, and a 4-inch dial. It has a 1/8-inch NPT female connection and an aluminum housing. A certificate of calibration is not included. It is a low operating pressure differential gauge with switch.

Where to buy the Dwyer A3030 worldwide?

You can source the Dwyer A3030 through 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; we supply genuine Dwyer components for international procurement.

How to install the Dwyer A3030 pressure switch/gauge?

Install the Dwyer A3030 by connecting the 1/8-inch NPT female ports to the pressure lines, ensuring proper sealing with thread tape. Mount the gauge in a vibration-free location. Follow standard wiring practices for the switch contacts. Refer to Dwyer's manual for specific pressure range and electrical ratings.

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
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Dwyer Products

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

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The Dwyer A3000-00 is a single-side differential pressure gauge with switch from the A3000 Photohelic Series. It features a die cast aluminum housing, ±4% gauge accuracy, and 1/8 in NPT female connections. This instrument is used for measuring and controlling low differential air or gas pressure in applications such as HVAC, cleanroom, and industrial ventilation systems
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The Dwyer A3000-00 is a single-side differential pressure gauge with switch from the A3000 Photohelic Series. It features a die cast aluminum housing, ±4% gauge accuracy, and 1/8 in NPT female connections. This instrument is used for measuring and controlling low differential air or gas pressure in applications such as HVAC, cleanroom, and industrial ventilation systems
The Dwyer A3003 is a low operating pressure differential gauge with switch from the A3000 Photohelic series. It features a diaphragm sensor, ±2% gauge accuracy, and a die cast aluminum housing with 1/8 in NPT female connections. This instrument is used to monitor low differential pressure and provides an adjustable switch for alarm or control at a set point
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The Dwyer A3003 is a low operating pressure differential gauge with switch from the A3000 Photohelic series. It features a diaphragm sensor, ±2% gauge accuracy, and a die cast aluminum housing with 1/8 in NPT female connections. This instrument is used to monitor low differential pressure and provides an adjustable switch for alarm or control at a set point

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