AMPROBE TMA-21HW Hot-Wire Thermal Anemometer

AMPROBE TMA-21HW Hot-Wire Data Logging Anemometer

Precision Air Velocity, Flow & Humidity Analysis in Sri Lanka

The AMPROBE TMA-21HW is a robust hot-wire data logging anemometer designed for comprehensive HVAC/R, indoor air quality, and industrial process control. By eliminating bearings and rotating parts, its durable hot-wire technology delivers stable and accurate readings of air velocity, temperature, and humidity. This instrument is the definitive tool for technicians and engineers in Sri Lanka who need to perform detailed diagnostics, log data, and verify system performance with confidence.

Equipped with powerful data logging capabilities and a USB interface, the TMA-21HW makes it easy to capture, store, and analyze measurement data on-site. Its fast-response telescopic probe ensures you can access even the most difficult-to-reach areas within ductwork or exhaust systems. For professionals who require a multi-function air flow meter that combines accuracy with advanced reporting, the AMPROBE TMA-21HW is the superior choice.

Key Features of this Hot-Wire Anemometer

Advanced Data Logging & USB Interface

Features a large 512KB automatic data logging capacity and manual memory for 99 data sets. Easily transfer recorded measurements to a computer via the USB port for analysis and professional reporting.

Multi-Parameter Measurement

This all-in-one instrument measures air velocity, air flow volume (CFM/CMM), relative humidity, and temperature. It also calculates wet bulb and dew point temperatures, providing a complete picture of environmental conditions.

Durable Hot-Wire Sensor with Telescopic Probe

The robust hot-wire sensor provides excellent accuracy without rotating parts, ensuring longevity and stability. The probe extends for easy measurement in ducts and at vents.

Data Hold with Time-Stamped Min/Max

Freeze the current reading on the display with the data hold function. Track fluctuations by recording Maximum and Minimum values with a time stamp for detailed performance analysis.

Large 5-Parameter Backlit Display

The clear, backlit LCD screen displays five measurement parameters simultaneously, ensuring excellent readability in any lighting condition, from mechanical rooms to dimly lit spaces.

Designed for Professional Field Use

This rugged, handheld anemometer is built to withstand the rigors of daily use in residential, commercial, and industrial environments.

Common Applications

This professional air flow meter is essential for:

HVAC/R System Performance Testing

Measure and log air velocity, volume, temperature, and humidity in ducts and at outlets to balance systems, diagnose issues, and verify operational efficiency.

Indoor Air Quality (IAQ) Audits

Assess ventilation and air change rates in commercial and industrial buildings to ensure a healthy and safe environment in compliance with OSHA and other standards.

Industrial Process & Cleanroom Monitoring

Use for verifying airflow in spray booths, fume hoods, and cleanrooms where precise environmental control and data logging are critical for safety and quality assurance.

Technical Specifications for the Air Flow Meter

Product Name

AMPROBE TMA-21HW Hot-Wire Anemometer

Air Velocity Range

0.1 to 30 m/s

Air Temperature Range

-20 to +60 °C

Relative Humidity Range

0 to 100% RH

Data Logging Capacity

512KB (auto), 99 sets (manual)

Probe

Telescopic hot-wire probe

Interface

USB with PC software

Power Source

6 x AAA batteries

What's in the Box?

1 x AMPROBE TMA-21HW Hot-Wire Anemometer

1 x Hard Carrying Case

1 x USB Cable and Software CD

6 x AAA Batteries

1 x English User Manual

Downloads

📄 Download AMPROBE TMA-21HW Data Sheet

📄 Download AMPROBE TMA-21HW User Manual