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Dwyer Static pressure tap stainless A-489

Dwyer Static Pressure Tap Model A-489 is a stainless steel measurement device for HVAC and pneumatic systems. Features stainless steel 304 probe with 3/16" ID corrugated connector, available in 101 mm, 152 mm, and…

SKU 3G-CBM-02382

Also listed as: A 489 · A-489

Brand
Dwyer
Item
Static pressure tap stainless A-489
Part Number
A489
Category
Measurement
UNSPSC
41112412 — Pressure gauge
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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
A489
type
static pressure tap
model
A-489
connection
corrugated connector 3/16" ID
material probe
stainless steel 304
material flange
stainless steel 430
available sizes mm
101, 152, 203
material connector
stainless steel 303

Technical Documents

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

Product Description

Dwyer Static Pressure Tap Model A-489 is a stainless steel measurement device for HVAC and pneumatic systems. Features stainless steel 304 probe with 3/16" ID corrugated connector, available in 101 mm, 152 mm, and 203 mm lengths. Ideal for duct and pipeline pressure monitoring applications.

Frequently Asked Questions

What is the Dwyer A-489 static pressure tap used for?

The Dwyer A-489 static pressure tap is used for measuring static pressure in HVAC ducts and pipelines. It connects to differential pressure switches and transmitters for monitoring air filter loading, coil pressure drop, and general airflow in industrial and commercial ventilation systems.

What are the specifications of the Dwyer A-489 static pressure tap?

The Dwyer A-489 is a stainless steel static pressure tap with a 304 stainless probe, 303 stainless corrugated connector (3/16" ID), and 430 stainless flange. Available in 101 mm, 152 mm, and 203 mm lengths. It includes a mounting flange with integral rubber gasket and two screws for duct installation.

Where to buy the Dwyer A-489 static pressure tap in Singapore?

You can source the Dwyer A-489 static pressure tap through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this model and other Dwyer pressure measurement products.

How to install the Dwyer A-489 static pressure tap?

Install the Dwyer A-489 by mounting the flange on the duct using the two provided screws, with the rubber gasket sealing against the duct wall. Connect 3/16" ID tubing to the corrugated connector. Position the probe away from duct walls to minimize turbulence and ensure accurate static pressure readings.

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 measurement. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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