Does this instrument measure river flow or water velocity? ....Google seems to think it does :)

No this meter will not work for River Flow or Water Velocity, this meter will only work with Air Flow and Air Velocity.

Does this instrument come with a nist calibration certificate?

Thank you so much for your interest in our products. Yes, the AN100 can obtain the NIST calibration certification. Be sure to order the part number AN100-NIST

what is Velocity range of this product

.4 to 30 meters/second (80 to 5906 ft/min). (From the Extech website/PDF file).

is it possible to check exhaust fan cfm ?

Yes. But you'll have to do the math. There may be conversion software in unit to go from linear feet per minute to cubic feet per minute

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Extech AN100 CFM/CMM Mini Thermo-Anemometer, Air Flow and Velocity

Extech AN100 CFM/CMM Mini Thermo-Anemometer, Air Flow and Velocity

Product ID: 3724718

Details

Brand
Extech
Item Weight
0.73 Kilograms
Item dimensions L x W x H
2.9 x 1.3 x 7
Material
Plastic
UPC
785533960648

🌀2.83in low-friction ball bearing vane wheel

📊20-point air flow averaging for precision

📏3.9ft cable length for flexible reach

€ 362.41

Duties & taxes included

In stock

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Description

🌀 Measure Like a Pro, Lead Like a Boss

DUAL DISPLAY MASTERY - Simultaneously track airflow or velocity plus ambient temperature for comprehensive environmental insights.
ERGONOMIC PORTABLE - Compact 2.9 x 1.3 x 7 inch design with protective rubber holster and included 9V battery—ready for any job site.
DATA DRIVEN DECISIONS - 20-point averaging smooths out fluctuations, delivering consistent, actionable airflow data for smarter HVAC management.
PRECISION YOU CAN TRUST - Achieve 3% velocity accuracy with a smooth, low-friction vane wheel designed for reliable readings.
MEMORY THAT WORKS FOR YOU - Stores your custom area dimensions internally, so you’re ready to measure instantly every time you power on.

The Extech AN100 Mini Thermo-Anemometer is a precision tool designed for professionals who demand accurate airflow and temperature readings. Featuring a large dual display, 3% velocity accuracy via a low-friction 2.83-inch ball bearing vane wheel, and a 3.9-foot cable for flexible use, it stores custom area dimensions for quick setup and averages 20 data points for reliable results. Compact and rugged with a protective holster and included 9V battery, it’s engineered to elevate your HVAC diagnostics and environmental monitoring.

Specifications

ASIN	B000X571KO
Best Sellers Rank	#90,223 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #11 in Anemometers
Brand	Extech
Brand Name	Extech
Customer Reviews	4.2 out of 5 stars 102 Reviews
Global Trade Identification Number	00793950451007
Included Components	Meter
Item Dimensions	2.9 x 1.3 x 7 inches
Item Weight	0.73 Kilograms
Item dimensions L x W x H	2.9 x 1.3 x 7 inches
Manufacturer	Extech
Material	Plastic
Material Type	Plastic
Model	AN100
Number of Items	1
Part Number	AN100
UPC	785533960648 723434088610 707223192474 793950451007
Warranty Description	1 year

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