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Dwyer Pressure Switch/Gauge: 1/8 in NPT Female, ±2% Gauge Accuracy, A3000, 4 in Dial - Low Operating Pressure Differential Gauges with Switch
DwyerLow Operating Pressure Differential Gauges with Switch

Dwyer Pressure Switch/Gauge: 1/8 in NPT Female, ±2% Gauge Accuracy, A3000, 4 in Dial

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

Brand
Dwyer
Item
Pressure Switch/Gauge: 1/8 in NPT Female, ±2% Gauge Accuracy, A3000, 4 in Dial
Category
Low Operating Pressure Differential Gauges with Switch
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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
View Full Spec Sheet

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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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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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