Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
Dwyer A3008 Low Operating Pressure Differential Gauge with Switch - Low Operating Pressure Differential Gauges with Switch
DwyerLow Operating Pressure Differential Gauges with Switch

Dwyer A3008 Low Operating Pressure Differential Gauge with Switch

The Dwyer A3000 Series A3008 is a low operating pressure differential gauge with switch, featuring a 4-inch aluminum dial and a 1/8-inch NPT female connection. It uses a diaphragm sensor and offers a gauge accuracy…

SKU 3G-OTH-175297

Also listed as: A 3008 · A-3008

Brand
Dwyer
Item
A3008 Low Operating Pressure Differential Gauge with Switch
Category
Low Operating Pressure Differential Gauges with Switch
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
A3008
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

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The Dwyer A3000 Series A3008 is a low operating pressure differential gauge with switch, featuring a 4-inch aluminum dial and a 1/8-inch NPT female connection. It uses a diaphragm sensor and offers a gauge accuracy of ±2%. This unit does not include a certificate of calibration.

Frequently Asked Questions

What is the Dwyer A3008 pressure switch/gauge used for?

The Dwyer A3008 is a low operating pressure differential gauge with switch, used to measure and control pressure differences in HVAC, filtration, and industrial process systems. Its diaphragm sensor and 4-inch aluminum dial provide reliable local indication and switching at set points.

What are the specifications of the Dwyer A3000 Series A3008?

The Dwyer A3008 has a diaphragm sensor, ±2% gauge accuracy, a 4-inch aluminum dial, and a 1/8-inch NPT female connection. The housing is aluminum, and it does not include a certificate of calibration. It is part of the A3000 series for low operating pressure differential applications.

Where to buy the Dwyer A3008 pressure switch/gauge worldwide?

3G Electric supplies the Dwyer A3008 pressure switch/gauge worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this Dwyer A3000 series unit.

How to install the Dwyer A3008 differential gauge with switch?

Install the Dwyer A3008 by connecting the 1/8-inch NPT female ports to the high- and low-pressure lines. Mount the gauge in a vibration-free location, and wire the switch contacts per the Dwyer manual. Verify zero adjustment before commissioning to maintain ±2% accuracy.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
The Dwyer A3030 is a low operating pressure differential gauge with switch from the A3000 series. It features a 4-inch dial, diaphragm sensor, ±2% gauge accuracy, and an aluminum housing with 1/8-inch NPT female connection. This unit is used for measuring and controlling low air or compatible gas pressure differences in HVAC, filtration, and industrial process applications
Dwyer
The Dwyer A3030 is a low operating pressure differential gauge with switch from the A3000 series. It features a 4-inch dial, diaphragm sensor, ±2% gauge accuracy, and an aluminum housing with 1/8-inch NPT female connection. This unit is used for measuring and controlling low air or compatible gas pressure differences in HVAC, filtration, and industrial process applications
Dwyer
Dwyer
The Dwyer 3003MR is a low operating pressure differential gauge with a diaphragm sensor and ±2% gauge accuracy. It features a 1/8 in NPT female back/single-side connection. This gauge is used to measure small pressure differences in HVAC, filtration, and industrial process systems for monitoring air or compatible gas flows
Diaphragm-based differential gauge for measuring small pressure differences in HVAC, filtration, and industrial process systems. Features ±2% gauge accuracy and a 1/8 in NPT female connection. Certificate of calibration not included
Dwyer
Diaphragm-based differential gauge for measuring small pressure differences in HVAC, filtration, and industrial process systems. Features ±2% gauge accuracy and a 1/8 in NPT female connection. Certificate of calibration not included
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
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
The Dwyer A3100 is a low operating pressure differential gauge with switch from the A3000 Photohelic series. It features a diaphragm sensor and die cast aluminum housing, with ±2% gauge accuracy and a 1/8" NPT female connection. This unit combines local indication with switch output for monitoring and control of air or compatible gas systems in HVAC, cleanroom, and industrial process applications
Dwyer
The Dwyer A3100 is a low operating pressure differential gauge with switch from the A3000 Photohelic series. It features a diaphragm sensor and die cast aluminum housing, with ±2% gauge accuracy and a 1/8" NPT female connection. This unit combines local indication with switch output for monitoring and control of air or compatible gas systems in HVAC, cleanroom, and industrial process applications

More from Dwyer

View all Dwyer parts →
This Dwyer A3210 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. Typical applications include measuring and controlling low differential air or gas pressure in HVAC, cleanroom, and industrial ventilation systems
Dwyer
This Dwyer A3210 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. Typical applications include measuring and controlling low differential air or gas pressure in HVAC, cleanroom, and industrial ventilation systems
The Dwyer A3010 is a single-side differential pressure gauge with switch from the A3000 Photohelic Series. It features a diaphragm sensor, ±2% gauge accuracy, and a 1/8 in NPT female connection. The die cast aluminum housing makes it suitable for monitoring low differential air or compatible gas pressures in HVAC, cleanroom, and industrial ventilation systems, providing both local indication and switch control
Dwyer
The Dwyer A3010 is a single-side differential pressure gauge with switch from the A3000 Photohelic Series. It features a diaphragm sensor, ±2% gauge accuracy, and a 1/8 in NPT female connection. The die cast aluminum housing makes it suitable for monitoring low differential air or compatible gas pressures in HVAC, cleanroom, and industrial ventilation systems, providing both local indication and switch control
This Dwyer A3000 Photohelic Series instrument combines a ±2% accuracy diaphragm gauge with a switch for low operating pressure monitoring and control. The die cast aluminum housing has 1/8" NPT female connections. Typical applications include filter monitoring, airflow verification, and pressure alarm or fan-speed control in HVAC and industrial processes
Dwyer
This Dwyer A3000 Photohelic Series instrument combines a ±2% accuracy diaphragm gauge with a switch for low operating pressure monitoring and control. The die cast aluminum housing has 1/8" NPT female connections. Typical applications include filter monitoring, airflow verification, and pressure alarm or fan-speed control in HVAC and industrial processes
This low operating pressure differential gauge with switch combines a ±3% accuracy gauge with a switch for alarm or control at a setpoint. The die cast aluminum housing and 1/8" NPT female connections suit HVAC, cleanroom, and industrial ventilation applications. Certificate of calibration not included
Dwyer
This low operating pressure differential gauge with switch combines a ±3% accuracy gauge with a switch for alarm or control at a setpoint. The die cast aluminum housing and 1/8" NPT female connections suit HVAC, cleanroom, and industrial ventilation applications. Certificate of calibration not included
The Dwyer A3025 is a low operating differential pressure gauge with switch from the A3000 Photohelic series. It features a diaphragm sensor and a die cast aluminum housing, with 1/8 in NPT female connections. Gauge accuracy is ±2%. A certificate of calibration is not included. Typical applications include monitoring filter status, fan performance, and duct pressure in HVAC and ventilation systems
Dwyer
The Dwyer A3025 is a low operating differential pressure gauge with switch from the A3000 Photohelic series. It features a diaphragm sensor and a die cast aluminum housing, with 1/8 in NPT female connections. Gauge accuracy is ±2%. A certificate of calibration is not included. Typical applications include monitoring filter status, fan performance, and duct pressure in HVAC and ventilation systems
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
Dwyer
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 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
Dwyer
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
Dwyer
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