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Dwyer 471B Thermo-Anemometer

by Dwyer Instruments

Last updated Mar 29, 2026 · 1 revision

Dual-function thermal anemometer measuring air velocity to 6000 FPM and temperature, with 99-reading data storage.

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About This Product

The Dwyer 471B measures air velocity from 0 to 6000 FPM (0-30 m/s) and temperature from -40 to 212 degrees F with a stainless steel probe featuring etched insertion depth marks. Accuracy of +/-3% FS for velocity and +/-0.5 degrees F for temperature. Stores up to 99 readings in an extruded aluminum housing. Ideal for duct traverses, HVAC inspections, and test-and-balance work.

Capabilities

How this product is delivered and what's included out of the box.

Mobile app
Not available
Free trial
No
Free tier
No
Public API
No
Deployment
On Premise

FSH Score Breakdown

Ease of Use
6.0
Features
4.0
Support
5.0
Value
5.0
Integrations
4.0
AI Capabilities
1.5

Customer Reviews

Features

6 features confirmed across 3categories· Showing confirmed capabilities only

Platform & Customization3features

Unit Conversion9 selectable english and metric engineering unitsImperial And Metric SupportImperial Or Metric Unit Selection

Compliance & Safety2features

Airflow Calculationscalculates and displays air velocity and volumetric air flowNIST Calibration Trackingnist calibration available

Reporting & Analytics1feature

Reportingstores up to 40 readings with minimum, maximum and average statistics

Integrations 5 across 2 categories

Data & Automation 4
HPXML Native
Microsoft Power BI API
Tableau API
Zapier Zapier
Productivity 1
Microsoft Excel CSV

Pricing

Model
Per Job
Starting at
$709/mo
Notes
Street price $667-$911 depending on retailer. Dual-function: air velocity + temperature measurement. Velocity range: 0-6000 FPM (0-30 m/s). Temp range: -40 to 212F (-40 to 100C). Velocity accuracy: +/-3% FS (40-90F). Temp accuracy: +/-0.5F (32-122F). Stainless steel probe with etched insertion depth marks. Imperial and metric units. Part number 471B-1.
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