Description
Product Overview
The Cole-Parmer AO-20250-23 handheld anemometer is a pre‑calibrated, NIST‑traceable digital device designed for precise airflow verification. Housed in a compact 7.99 × 3.5 × 2.01 in. enclosure weighing just 0.32 oz, it combines durability with portability. The sensor measures air velocities up to 30 m/s (5900 FPM) and supports five unit selections—m/s, km/h, ft/min, mph, and knots—eliminating conversion hassles. Built with a robust plastic housing and ergonomic grip, the unit is ready for demanding industrial and scientific environments.
![[Product front view showing all components]](https://www.olnix.store/wp-content/uploads/2026/06/4f82260aab55430daac0d6b85929817f.jpg)
Usage
Ideal for HVAC technicians, laboratory researchers, and field engineers, this anemometer excels in verifying component cooling, assessing ventilation performance, and conducting on‑site airflow audits. Its pocket‑size form allows easy transport to tight spaces, while the auto‑off after 15 minutes conserves battery life during intermittent use. Whether measuring duct flow in a commercial building or checking cooling fans in equipment racks, the device provides instant, reliable data.
Why Choose Us
Cole‑Parmer’s reputation for scientific precision backs this anemometer, ensuring each unit meets strict NIST‑traceable standards. The device’s intuitive interface, low‑battery indicator, and long‑life battery reduce downtime. Backed by Cole‑Parmer’s customer support, users receive prompt assistance, calibration resources, and warranty coverage, reinforcing confidence in long‑term performance.
Key Features
- Pre‑calibrated to NIST standards for trustworthy measurements
- Five selectable units remove the need for manual conversions
- Pocket‑size design fits comfortably in a tool belt or pocket
- Auto‑power‑off and low‑battery alert extend operational time
- Responsive Cole‑Parmer support and warranty for peace of mind
FAQ
What is the maximum air speed this anemometer can measure?
The device measures air velocities up to 30 m/s (5900 FPM), suitable for most HVAC and industrial applications.
Can I switch between metric and imperial units?
Yes, you can select from m/s, km/h, ft/min, mph, or knots directly on the device.
How long does the battery last?
With typical use, the battery lasts several weeks; the auto‑off feature and low‑battery indicator help maximize life.
Is the device calibrated out of the box?
Yes, it is pre‑calibrated to NIST‑traceable standards, ensuring accurate readings from first use.
What warranty does Cole‑Parmer provide?
The anemometer comes with a standard one‑year warranty covering manufacturing defects and includes access to technical support.





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