Skip Content

Hot Wire Anenometer close
close x

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.
How can we improve our Product Images?

Hot Wire Anenometer


Price: $475.25 / each

Please sign in or register to access lists

  • Item # 6NZG6
  • Mfr. Model # TMA-21HW
  • UNSPSC # 41114401
  • Catalog Page # 884
  • Shipping Weight 3.4 lbs.
Country of Origin TaiwanCountry of Origin is subject to change.

Technical Specs

  • ItemHot Wiire Anenometer
  • Velocity (FPM)10 to 6000
  • Velocity (MPS)0.10 to 30.00 m/s
  • Velocity (MPH)0.12 to 68.00
  • Velocity (KPH)0.2 to 110.0 km/hr
  • Velocity (Knots)0.10 to 59.0 Knots
  • Air Velocity Accuracy+/-3% of Reading +/-1%FS
  • Accuracy+/-3% of reading +/-1%FS
  • Air Volume0.000 to 999900 CFM0.000 to 999900 CMM
  • Temp. Range- 4 Degrees F to +140 Degrees F-20 Degrees C to +60 Degrees C
  • Temp. Accuracy+/-0.5 Degrees C, +/-0.9 Degrees F
  • Relative Humidity Range0.0 to 100%RH
  • Humidity Accuracy+/-3%RH
  • Dew Point RangeYes
  • Pressure RangeYes
  • Measuring Range- 4 Degrees F to +140 Degrees F-20 Degrees C to +60 Degrees C
  • Probe SizeExtendable 4 Feet
  • Cord Length5 feet
  • DisplayLCD
  • Data HoldYes
  • Auto Power OffYes
  • InterfaceNo
  • Output TypeN/A
  • Storage CapacityNo
  • Safety RatingNo
  • Power SourceBattery
  • Battery Type6 x AAA
  • Battery Life10 hours
  • Sensor TypeHot wire
  • Special FeaturesFast Responding Telescopic Probe Extendable to 4 Feet, Instant / Avg / 2/3 Vmax Flow Measurement, Relative Humidity, Temperature Measurement, Data Hold & Maximum / Minimum with Time Stamp, Built-in Data Memory and Real function (99 Sets), 512KB Auto Data Logging Capability, Large LCD Five-Parameter Display With Backlight
  • IncludesBattery, Carrying Case, AC Adaptor, CD Software, USB Cable.
  • Manufacturers Warranty Length1 year
How can we improve our Technical Specifications?

Compliance and Restrictions



Hot Wire Thermo-Anemometers
Dual-purpose instruments measure temperature and air speeds in ducts and ventilating systems. Auto-Off.

Fast-responding probe extends up to 4 ft. to take readings from hard-to-reach areas. Instrument shows 5 parameters on the backlit LCD. Measures 0% to 100% relative humidity, dew point, and atmospheric pressure. Temp. accuracy: ±0.9°F. Features data hold and max./min. with time stamp, up to 99 data sets internal memory, and 512KB automatic datalogging. Includes USB cable, software, hard carrying case, AC adapter, and AAA batteries.
Product content provided by supplier

Rated 5 out of 5 by 2reviewers.
Rated 5 out of 5 by Does everything quickly and accurately! This unit is very accurate and quick. Great product for the price and appears very well made. Highly recommend this to all. March 29, 2012
Rated 5 out of 5 by This tool is a must have!!! The Amprobe hotwire is an excellent and reliable device thats quick acting and hassle free. Excellent for todays demanding jobs! March 29, 2012
1-2 of 2

Product Reviews Disclaimer:
Grainger is neither responsible for, nor does it endorse, the content of any product review or statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger. The statements posted by Grainger employees with the Grainger employee badge represent the views of such employees and are not the statements of Grainger. Grainger makes no representations as to the appropriateness, accuracy, completeness, correctness, currentness, suitability, or validity of any product review or statements posted, including those posted by employees with the Grainger employee badge, and is not liable for any losses, injuries or damages which may result from any such product review or statements. Use of any linked web site provided in a product review or post is at the user's own risk.

Product Q&A

(1 Question : 1 Answer)

Ask your questions. Share your answers.

« Back
for the AMPROBE Hot Wire Anemometer
1 year, 4 months ago
Read all my Q&A
Please wait while more information about ChrisIH is loaded.
Additional information about ChrisIH could not be loaded.
1out of 1found this question helpful.
Was this helpful?helpful1unhelpful0
1 Person needs an answerI have this question too


Grainger has contacted the product supplier and has been advised by them of the following: The “real” function is an error. This unit has a data memory and “read” function. You can go into the memory to a specific reading and pull it up. You can also set real time and date on the unit.
Thank you for using Grainger Ask and Answer
1 year, 4 months ago
Read all my Q&A
Please wait while more information about BryanB is loaded.
Additional information about BryanB could not be loaded.
0out of 0found this answer helpful.
Was this helpful?helpful0unhelpful0
1 of 1
1 of 1