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Dwyer Differential Pressure Gauge & Switch: Single-Side, 1/8 in NPT Female - Low Operating Pressure Differential Gauges with Switch
DwyerLow Operating Pressure Differential Gauges with Switch

Dwyer Differential Pressure Gauge & Switch: Single-Side, 1/8 in NPT Female

The Dwyer A3000 Photohelic Series Differential Pressure Gauge & Switch (MPN A3005) is a low operating pressure instrument with a diaphragm sensor and ±2% gauge accuracy. It features a die cast aluminum housing and…

SKU 3G-OTH-175314

Also listed as: A 3005 · A-3005

Brand
Dwyer
Item
Differential Pressure Gauge & Switch: Single-Side, 1/8 in NPT Female
Category
Low Operating Pressure Differential Gauges with Switch
Available to Order
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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
A3005
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 Differential Pressure Gauge & Switch (MPN A3005) is a low operating pressure instrument with a diaphragm sensor and ±2% gauge accuracy. It features a die cast aluminum housing and 1/8 in NPT female connections. This single-side model does not include a certificate of calibration.

Frequently Asked Questions

What is the Dwyer A3005 differential pressure gauge and switch used for?

The Dwyer A3005 Photohelic Series gauge and switch is used for low operating pressure monitoring and control in HVAC, cleanroom, and industrial process applications. It combines a ±2% accuracy diaphragm gauge with a switch for alarm or fan-speed control, making it ideal for filter monitoring and airflow verification.

What are the specifications of the Dwyer A3005 Photohelic?

The Dwyer A3005 has a diaphragm sensor, ±2% gauge accuracy, and a die cast aluminum housing. It uses a 1/8 in NPT female connection and is part of the A3000 Photohelic Series. This single-side model does not include a certificate of calibration. The manufacturer part number is A3005.

Where to buy the Dwyer A3005 differential pressure gauge worldwide?

3G Electric supplies the Dwyer A3005 Photohelic differential pressure gauge and switch worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this Dwyer instrument to any country.

How to install the Dwyer A3005 differential pressure gauge and switch?

Install the Dwyer A3005 by connecting the 1/8 in NPT female ports to pressure lines, ensuring no leaks. Mount the die cast aluminum housing securely in a dry location. Wire the switch contacts per your control circuit. Follow Dwyer's manual for proper diaphragm protection and avoid overpressure beyond rated limits.

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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