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Dwyer Average flow probe AFG-2 - Measurement
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Dwyer Average flow probe AFG-2

Dwyer AFG-2 is an average flow probe for HVAC and ductwork applications, measuring air velocity from 1.5 to 30 m/sec with ±5% accuracy. It connects via 5/16" threads and accommodates 8 mm or 16 mm tube diameters…

SKU 3G-CBM-02151

Also listed as: AFG 2 · AFG-2

Brand
Dwyer
Item
Average flow probe AFG-2
Part Number
AFG2
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
AFG2
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

Dwyer AFG-2 is an average flow probe for HVAC and ductwork applications, measuring air velocity from 1.5 to 30 m/sec with ±5% accuracy. It connects via 5/16" threads and accommodates 8 mm or 16 mm tube diameters, operating to 80°C in ducts up to 150.9 cm diameter.

Frequently Asked Questions

Where can I buy the Dwyer AFG-2 average flow probe worldwide?

3G Electric is an authorised distributor of Dwyer flow probes. We source the AFG-2 globally and handle all logistics, customs clearance, and delivery. Lead time on request — contact us for availability and pricing.

What is the velocity range and accuracy of the Dwyer AFG-2?

The AFG-2 measures air velocity from 1.5 to 30 m/sec with ±5% accuracy. It operates in ducts up to 150.9 cm diameter and handles temperatures to 80°C, making it suitable for HVAC and industrial ductwork applications.

What connections does the Dwyer AFG-2 accept?

The AFG-2 features a 5/16" threaded connection and accommodates 8 mm or 16 mm tube diameters. This design allows flexible installation in standard HVAC probe tubing and measurement networks.

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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