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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
Category
Low Operating Pressure Differential Gauges with Switch
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Dwyer
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DWYER Pressure Switch/Gauge: Back/Single-Side, 1/8 in NPT Female, ±2% Gauge Accuracy, 3000MR, 3003MR
The Dwyer 3010MR is a low operating pressure differential gauge from the Series 3000MR, featuring a diaphragm sensor and a back/single-side 1/8 in NPT female connection. It provides ±2% gauge accuracy and is used for measuring small pressure differences in HVAC, filtration, and industrial process systems
Dwyer
The Dwyer 3010MR is a low operating pressure differential gauge from the Series 3000MR, featuring a diaphragm sensor and a back/single-side 1/8 in NPT female connection. It provides ±2% gauge accuracy and is used for measuring small pressure differences in HVAC, filtration, and industrial process systems
DWYER Pressure Switch/Gauge: Back/Single-Side, 1/8 in NPT Female, ±2% Gauge Accuracy, 3000MR, 3001MR
Dwyer
DWYER Pressure Switch/Gauge: Back/Single-Side, 1/8 in NPT Female, ±2% Gauge Accuracy, 3000MR, 3001MR
The Dwyer A3001AV is a low operating pressure differential gauge with switch from the A3000 Photohelic series. It features a diaphragm sensor, die cast aluminum housing, and ±2% gauge accuracy with 1/8 in NPT female connections. This unit combines local indication and electrical switching for monitoring and controlling low differential pressure in HVAC, cleanroom, and industrial process applications
Dwyer
The Dwyer A3001AV is a low operating pressure differential gauge with switch from the A3000 Photohelic series. It features a diaphragm sensor, die cast aluminum housing, and ±2% gauge accuracy with 1/8 in NPT female connections. This unit combines local indication and electrical switching for monitoring and controlling low differential pressure in HVAC, cleanroom, and industrial process applications
DWYER Differential Pressure Gauge & Switch: Single-Side, 1/8 in NPT Female, ±2% Gauge Accuracy (MPN A3010)
Dwyer
DWYER Differential Pressure Gauge & Switch: Single-Side, 1/8 in NPT Female, ±2% Gauge Accuracy (MPN A3010)
DWYER Differential Pressure Gauge & Switch: Single-Side, 1/8 in NPT Female, ±2% Gauge Accuracy (MPN A3003)
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DWYER Differential Pressure Gauge & Switch: Single-Side, 1/8 in NPT Female, ±2% Gauge Accuracy (MPN A3003)

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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 A3008 is a low operating pressure differential gauge with switch, featuring a 4-inch aluminum dial and a diaphragm sensor. It provides ±2% gauge accuracy and has a 1/8-inch NPT female connection. The aluminum housing makes it suitable for HVAC, filtration, and industrial process applications where monitoring and control of pressure differences are required
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The Dwyer A3008 is a low operating pressure differential gauge with switch, featuring a 4-inch aluminum dial and a diaphragm sensor. It provides ±2% gauge accuracy and has a 1/8-inch NPT female connection. The aluminum housing makes it suitable for HVAC, filtration, and industrial process applications where monitoring and control of pressure differences are required
The Dwyer A3010AV is a low operating pressure differential gauge with switch from the A3000 Photohelic series. It uses a diaphragm sensor and die cast aluminum housing, offering ±2% gauge accuracy. The 1/8 in NPT female connection allows for easy installation. This instrument is commonly used for measuring and controlling low differential pressure in HVAC, cleanroom, and industrial process applications, such as filter monitoring and airflow verification
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The Dwyer A3010AV is a low operating pressure differential gauge with switch from the A3000 Photohelic series. It uses a diaphragm sensor and die cast aluminum housing, offering ±2% gauge accuracy. The 1/8 in NPT female connection allows for easy installation. This instrument is commonly used for measuring and controlling low differential pressure in HVAC, cleanroom, and industrial process applications, such as filter monitoring and airflow verification
The Dwyer A3300-0 is a low operating differential pressure gauge with switch from the A3000 Photohelic Series. It features a diaphragm sensor, die cast aluminum housing, and 1/8" NPT female connections with ±3% gauge accuracy. Suitable for monitoring and controlling low differential air or compatible gas pressures in HVAC, cleanroom, and industrial ventilation systems
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The Dwyer A3300-0 is a low operating differential pressure gauge with switch from the A3000 Photohelic Series. It features a diaphragm sensor, die cast aluminum housing, and 1/8" NPT female connections with ±3% gauge accuracy. Suitable for monitoring and controlling low differential air or compatible gas pressures in HVAC, cleanroom, and industrial ventilation systems
This low operating pressure differential gauge with switch features a diaphragm sensor and a die cast aluminum housing. It provides ±2% gauge accuracy and connects via a 1/8 in NPT female port. Suitable for monitoring and controlling pressure differences in air-handling and ventilation systems
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This low operating pressure differential gauge with switch features a diaphragm sensor and a die cast aluminum housing. It provides ±2% gauge accuracy and connects via a 1/8 in NPT female port. Suitable for monitoring and controlling pressure differences in air-handling and ventilation systems
Diaphragm-operated differential pressure gauge with switch, housed in die cast aluminum. Features ±2% gauge accuracy and 1/8 in NPT female connections. Suitable for monitoring and controlling low air or compatible gas pressure in HVAC, cleanroom, and industrial ventilation systems
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Diaphragm-operated differential pressure gauge with switch, housed in die cast aluminum. Features ±2% gauge accuracy and 1/8 in NPT female connections. Suitable for monitoring and controlling low air or compatible gas pressure in HVAC, cleanroom, and industrial ventilation systems
The Dwyer A3301 is a single-side differential pressure 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 measure and control low air or non-corrosive gas pressure in HVAC, cleanroom, and industrial ventilation systems, providing a local readout and switch output for alarm or fan control. Certificate of calibration not included
Dwyer
The Dwyer A3301 is a single-side differential pressure 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 measure and control low air or non-corrosive gas pressure in HVAC, cleanroom, and industrial ventilation systems, providing a local readout and switch output for alarm or fan control. Certificate of calibration not included
The Dwyer A3002 is a single-side differential pressure 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. Suitable for measuring and controlling low differential air or non-combustible gas pressures in HVAC and ventilation systems
Dwyer
The Dwyer A3002 is a single-side differential pressure 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. Suitable for measuring and controlling low differential air or non-combustible gas pressures in HVAC and ventilation systems