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

3G Electric
Dwyer A3000-0 Photohelic Series Differential Pressure Gauge with Switch - Low Operating Pressure Differential Gauges with Switch
DwyerLow Operating Pressure Differential Gauges with Switch

Dwyer A3000-0 Photohelic Series Differential Pressure Gauge with Switch

The Dwyer A3000 Photohelic Series Differential Pressure Gauge & Switch: Single-Side (MPN A3000-0) is a low operating pressure differential gauge with switch, featuring a die cast aluminum housing and ±3% gauge…

SKU 3G-OTH-175307

Also listed as: A30000 · A3000 0

Brand
Dwyer
Item
A3000-0 Photohelic Series Differential Pressure Gauge with Switch
Part Number
A3000-0
Category
Low Operating Pressure Differential Gauges with Switch
Available to Order
Also known as:A3000-0Dwyer
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
A3000-0
Series
A3000 Photohelic
Type
±3% Gauge Accuracy
NPT Female
1/8 in
Gauge Accuracy
±3%
Housing Material
Die Cast 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 Photohelic Series Differential Pressure Gauge & Switch: Single-Side (MPN A3000-0) is a low operating pressure differential gauge with switch, featuring a die cast aluminum housing and ±3% gauge accuracy. It has 1/8 in NPT female connections and does not include a certificate of calibration.

Frequently Asked Questions

What is the Dwyer A3000 Photohelic differential pressure gauge and switch used for?

The Dwyer A3000 Photohelic is used to measure and control low differential air or gas pressure in HVAC, cleanroom, and industrial ventilation systems. It combines a ±3% accuracy gauge with a switch for alarm or fan control at a setpoint.

What are the specifications of the Dwyer A3000-0 differential pressure gauge?

The Dwyer A3000-0 has a die cast aluminum housing, ±3% gauge accuracy, and 1/8 in NPT female connections. It is part of the A3000 Photohelic Series and does not include a certificate of calibration. It is a single-side low operating pressure differential gauge with switch.

Where to buy the Dwyer A3000-0 differential pressure gauge worldwide?

3G Electric supplies the Dwyer A3000-0 differential pressure gauge worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the Dwyer A3000 Photohelic differential pressure gauge?

Mount the Dwyer A3000-0 in a vertical position using the 1/8 in NPT female connections. Connect pressure lines to high and low ports, ensuring no vibration. Wire the switch per the Dwyer manual. Do not exceed rated pressure. Calibrate zero with no flow.

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
Not sure this is the right part? Photo-identify it

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

More from Dwyer

View all Dwyer parts
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 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
Dwyer
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

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first