SKU: TMA-21HW
Amprobe TMA-21HW Hotwire Anemometer with Temperature
Highly accurate thermometer with 0.1% basic accuracy for precise measurements Fast response telescopic probe for use in hard to reach places Air Flow Volume (CFM, CMM) Velocity m / s, f t / min, knots, km / hr, mph Relative Humidity and Temperature Measurement Data hold & Maximum / Minimum with Time stamp Data Memory and Real function (99 sets) 512KB auto data-logging capacity Large backlit LCD display with 5 parameters Auto Power ON / OFF setting USB interface Simple and safe to use Included Accessories: Batteries, Hard Carrying case, USB Cable, and CD Software
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) |
| Operating Conditions | 0°C ~ 40°C (32°F ~ 104°F), 10 ~ 80% R.H. |
| Power Source | 6 X AAA Battery |
| Battery Life | Approx. 10 hours |
| Dimensions | 360.7 x 216 x 63.5 mm (L14.2 x W8.5 x H2.5 in) with case |
| Weight | 1043 g (2.3 lbs) with case |
| Probe Wire Length | 2.2 meter (7.2 ft) |
| Probe Length | 1.2 meter (3.9 ft) |
| Probe Diameter (Tip) | 15.0 mm (0.59 in.) |
| Probe Diameter (Base) | 28.0 mm (1.1 in.) |
| Probe Weight | 165 g (0.36 lbs) |
| Air Flow Range | 0.1 to 30.0 m/s; 0.2 to 110 km/hr; 10 to 6000 ft/min; 0.1 to 59 knots; 0.12 to 68 MPH |
| Air Flow Accuracy | ±3% of reading; ±1% FS |
| Air Flow Volume Range | 0 to 999900 CFM; 0 to 999900 CMM |
| Temperature Range | -20°C to +60°C (-4°F to +140°F) |
| Temperature Accuracy | ±0.5°C, ±0.9°F |
| Humidity Range | 0 to 100% RH |
| Humidity Accuracy | ±3% RH |
| Included Accessories | Users manual, Batteries, Hard carrying case, USB Cable, and CD Software |
Datasheet
Download datasheet (PDF)Description
The Amprobe TMA-21HW 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.
Need this instrument calibrated?
Unitest Instruments operates Singapore's SAC-SINGLAS accredited calibration laboratory (ISO/IEC 17025, Lab No. LA-2023-0845-C). We provide traceable calibration with full documentation for most test & measurement instruments.
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