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Dwyer A3003 Photohelic Low Operating Pressure Differential Gauge with Switch - Low Operating Pressure Differential Gauges with Switch
DwyerLow Operating Pressure Differential Gauges with Switch

Dwyer A3003 Photohelic Low Operating Pressure Differential Gauge with Switch

<p>The Dwyer A3003 Photohelic Low Operating Pressure Differential Gauge with Switch is a reliable instrument for monitoring and controlling low differential pressures. It combines a gauge and switch in one unit…

SKU 3G-OTH-175299

Also listed as: A 3003 · A-3003

Brand
Dwyer
Item
A3003 Photohelic Low Operating Pressure Differential Gauge with Switch
Part Number
A3003
Category
Low Operating Pressure Differential Gauges with Switch
Available to Order
Also known as:A3003Dwyer
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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
A3003
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

No technical documents available for this product.
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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

<p>The Dwyer A3003 Photohelic Low Operating Pressure Differential Gauge with Switch is a reliable instrument for monitoring and controlling low differential pressures. It combines a gauge and switch in one unit, featuring ±2% gauge accuracy and a diaphragm sensor. The die-cast aluminum housing ensures durability in industrial environments. This model has a 1/8" NPT female connection, making it compatible with standard piping systems.</p><p>Ideal for HVAC, cleanrooms, and process control applications, the A3003 provides precise readings and switch functionality. As a Singapore-based supplier, 3G Electric offers SGD quotes on request, handles GST for local buyers, and provides fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What is the accuracy and connection size of the Dwyer A3003?

The Dwyer A3003 has a gauge accuracy of ±2% and a 1/8" NPT female connection.

Does the A3003 include a certificate of calibration?

No, the certificate of calibration is not included with this product.

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 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

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