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Dwyer Average flow probe AFG-1 - Measurement
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Dwyer Average flow probe AFG-1

The Dwyer AFG-1 is an average flow probe for HVAC and industrial duct applications, measuring velocities from 1.5 to 30 m/sec with ±5% accuracy. It connects via 5/16" threaded fittings and suits ducts up to 150.9 cm…

SKU 3G-CBM-02150

Also listed as: AFG 1 · AFG-1

Brand
Dwyer
Item
Average flow probe AFG-1
Part Number
AFG1
Category
Measurement
UNSPSC
41112412 — Pressure gauge
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Technical specs
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Dwyer
Manufacturer Part Number
AFG1
accuracy
±5%
connection
5/16" threaded
tube diameters
8 mm or 16 mm
velocity range
1.5 to 30 m/sec
max temperature
80°C
max duct diagonal
153.4 cm
max duct diameter
150.9 cm

Technical Documents

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

Product Description

The Dwyer AFG-1 is an average flow probe for HVAC and industrial duct applications, measuring velocities from 1.5 to 30 m/sec with ±5% accuracy. It connects via 5/16" threaded fittings and suits ducts up to 150.9 cm diameter, operating to 80°C maximum.

Frequently Asked Questions

Where can I buy the Dwyer AFG-1 average flow probe worldwide?

3G Electric supplies the Dwyer AFG-1 as an authorized distributor with worldwide delivery. Lead time on request. Contact our team for a quotation and shipping details to your location.

What is the velocity measurement range of the Dwyer AFG-1?

The Dwyer AFG-1 measures air velocity from 1.5 to 30 m/sec with ±5% accuracy. It is suitable for HVAC systems, industrial ducts, and ventilation applications up to 80°C operating temperature.

What connection type does the Dwyer AFG-1 use?

The Dwyer AFG-1 features 5/16 inch threaded fittings for duct connection. It supports both 8 mm and 16 mm tube diameters and accommodates duct diagonals up to 153.4 cm maximum.

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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