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Dwyer A3000 Photohelic Differential Pressure Gauge with Switch - Low Operating Pressure Differential Gauges with Switch
DwyerLow Operating Pressure Differential Gauges with Switch

Dwyer A3000 Photohelic Differential Pressure Gauge with Switch

The DWYER Differential Pressure Gauge & Switch: Single-Side (MPN A3100) is a low operating pressure differential gauge with switch from the A3000 Photohelic series. It features a diaphragm sensor, die cast aluminum…

SKU 3G-OTH-175321

Also listed as: A 3100 · A-3100

Brand
Dwyer
Item
A3000 Photohelic Differential Pressure Gauge with Switch
Part Number
A3100
Category
Low Operating Pressure Differential Gauges with Switch
Available to Order
Also known as:A3100Dwyer
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Dwyer
Manufacturer Part Number
A3100
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 Differential Pressure Gauge & Switch: Single-Side (MPN A3100) 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. The unit has a 1/8 in NPT Female connection and does not include a certificate of calibration.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Dwyer A3100 differential pressure gauge and switch used for?

The Dwyer A3100 is used to measure and control low differential pressure in HVAC, cleanroom, and industrial process applications. It combines a gauge and switch in one unit, providing local indication and alarm or control output for air or compatible gas systems.

What are the specifications of the Dwyer A3100 Photohelic gauge?

The Dwyer A3100 is from the A3000 Photohelic series with a diaphragm sensor, ±2% gauge accuracy, and die cast aluminum housing. It has a 1/8 in NPT female connection and does not include a certificate of calibration. It is designed for low operating pressure differential measurement.

Where to buy the Dwyer A3100 differential pressure gauge worldwide?

3G Electric supplies the Dwyer A3100 differential pressure gauge and switch 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.

How to install the Dwyer A3100 differential pressure gauge?

Install the Dwyer A3100 in a clean, dry location using the 1/8 in NPT female connection. Mount the gauge vertically for best accuracy, and connect pressure lines to high and low ports. Avoid overpressuring the diaphragm sensor. Refer to the Dwyer manual for wiring the switch output.

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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