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TSI Alnor Rotating Vane Anemometer RVA501

by TSI Incorporated

Last updated Mar 29, 2026 · 2 revisions

Compact rotating vane anemometer with 4-inch vane head for accurate air velocity and volumetric flow measurement at grilles and diffusers.

TSI Alnor Rotating Vane Anemometer RVA501 - by TSI Incorporated - Anemometers software - logo 6.1 - Good
Custom · $935 6 Features
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Media

tsi.com
TSI Alnor Rotating Vane Anemometer RVA501 - website image

About This Product

The TSI Alnor RVA501 Rotating Vane Anemometer features a 4-inch vane head that averages velocity readings across its measurement area, making it ideal for measuring airflow at supply and return grilles. It measures velocity from 50 to 6000 FPM with data hold, min/max capture, and optional duct size input for volumetric flow calculations. The lightweight, ergonomic design is suited for residential and light commercial HVAC work.

FSH Score Breakdown

Ease of Use
7.5
Features
7.0
Support
7.5
Value
6.5
Integrations
4.0
AI Capabilities
0.5

Customer Reviews

Features

6 features confirmed across 4categories· Showing confirmed capabilities only

Platform & Customization3features

Audit Traildata loggingData ExportLog, store, and recall dataUnit ConversionImperial or metric unit selection

Hardware Features1feature

USB Data TransferDownload data to a PC using LogDat2™ downloading software

Reporting & Analytics1feature

AnalyticsData storage for over 12,700 readings

Compliance & Safety1feature

Combustion AnalysisMeasures velocity and temperature

Pricing

Model
Custom
Starting at
$935
Notes
Street price ~$935 USD. Handheld digital rotating vane anemometer measuring air velocity, air volume, and temperature in imperial or metric units. 4-inch (100mm) vane head automatically averages velocity and volume readings. Measurement range: 50-6,000 ft/min (0.25-30 m/s). Data logging stores 12,700+ readings. Detachable head for tight spaces. Optional telescoping probe for hard-to-reach locations. Ideal for measuring flow through heating/cooling coils, diffusers, grilles, and filters.

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