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The Amprobe TMA21HW Hot Wire anemometer technology eliminates the use of bearings and rotating parts. Because of this fact the meter is durable and provides good and stable accuracy of the measurements. It is used for indoor air quality and HVAC/R technicians measuring heating, ventilation, air-conditioning, refrigeration, wind flow and temperature in residential, commercial and industrial air conditioning systems.
Feature | TMA-20HW | TMA-21HW | Best Accuracy |
Air flow | 0.10 m/s → 30.00 m/s | +/- 3 % of rdg +/-1 %FS | |
Air flow volume | 0.000 CFM → 999900 CFM | +/- 3 % | |
Temperature | - | - 4 °F → 140 °F | +/- 0.9 °F (+/- 0.5 °C,) |
Relative humidity | - | 0.0 → 100 % | +/- 3 % |
Data logging and USB interface | - | • | - |
Wet bulb/dew point | - | • | - |
Specifications | |
Display: | Triple display, 4 digit LCD reading. |
Sampling rate: | Once per second |
Response time: | < 2 seconds |
Manual memory capacity: | 5 X 99 sets. (direct reading from LCD display) |
Power source: | 6 X AAA battery |
Probe dimensions/weight: | Wire length : 2.2 meter (7.2 ft) |
Included Accessories
Batteries, Hard Carrying case, USB Cable, and CD Software
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The Amprobe TMA-21HW is used for indoor air quality and HVAC/R technicians measuring heating, ventilation, air-conditioning, refrigeration, wind flow and temperature in residential, commercial and industrial building comfort systems.