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Dwyer A3001 Photohelic Series Low Operating Pressure - Low Operating Pressure Differential Gauges with Switch
DwyerLow Operating Pressure Differential Gauges with Switch

Dwyer A3001 Photohelic Series Low Operating Pressure

The Dwyer A3000 Photohelic Series A3001 is a low operating pressure differential gauge with switch, featuring a diaphragm sensor and die cast aluminum housing. It offers ±2% gauge accuracy and has 1/8 in NPT female…

SKU 3G-OTH-175298

Also listed as: A 3001 · A-3001

Brand
Dwyer
Item
A3001 Photohelic Series Low Operating Pressure
Part Number
A3001
Category
Low Operating Pressure Differential Gauges with Switch
Available to Order
Also known as:A3001Dwyer
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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
A3001
Series
A3000 Photohelic
Type
±2% Gauge Accuracy
NPT Female
1/8 in
Sensor Type
Diaphragm
Gauge Accuracy
±2%
Housing Material
Die Cast Aluminum
Certificate of Calibration
Not Included

Technical Documents

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

Product Description

The Dwyer A3000 Photohelic Series A3001 is a low operating pressure differential gauge with switch, featuring a diaphragm sensor and die cast aluminum housing. It offers ±2% gauge accuracy and has 1/8 in NPT female connections. This single-side model does not include a certificate of calibration.

Frequently Asked Questions

What is the Dwyer A3001 differential pressure gauge with switch used for?

The Dwyer A3001 Photohelic Series gauge with switch is used to measure and control low differential air or compatible gas pressures in HVAC, cleanroom, and industrial ventilation systems. Its diaphragm sensor and ±2% accuracy make it suitable for monitoring filter condition, duct static pressure, and fan performance.

What are the specifications of the Dwyer A3001 differential pressure gauge?

The Dwyer A3001 is a single-side differential pressure gauge with switch from the A3000 Photohelic Series. It has a diaphragm sensor, ±2% gauge accuracy, 1/8 in NPT female connections, and a die cast aluminum housing. Certificate of calibration is not included.

Where to buy the Dwyer A3001 differential pressure gauge worldwide?

3G Electric supplies the Dwyer A3001 differential pressure gauge with switch to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this Dwyer instrument.

How to install the Dwyer A3001 differential pressure gauge?

Install the Dwyer A3001 in a clean, dry location with the pressure ports oriented vertically to avoid moisture accumulation. Use 1/8 in NPT fittings and apply thread sealant sparingly. Connect high-pressure side to the positive port and low-pressure side to the negative port. Do not exceed rated pressure.

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 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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