Tenmars TM-4002 Hot Wire Anemometer With Flow, Temp & Humidity


Tenmars TM-4002 Hot Wire Anemometer for Flow, Temperature & Humidity.


  • Thermal anemometer, available for low air velocity measurements
  • Slim telescopic probe – Ideal for grilles and diffusers or in duct measurements,
  • Combination of hot wire and standard thermistor delivers rapid and precise measurements.
  • Recalls MAX / MIN / AVG readings in real time or with data hold.
  • Microprocessor circuit for maximum accuracy, provides special functions and features.
  • Triple display LCD with backlight, reading velocity, and temperature or flow simultaneously
  • Portable anemometer provides fast accurate readings with digital readability.
  • Multi function for airflow measurement: m/s, km/h, ft/min, MPH, knots, Beaufort and temperature (°C or °F), plus humidity and dewpoint.
  • Air Flow in either cubic meters per minute (CMM) or cubic feet per minute (CFM)
  • Fast Response Probe using Platinum Sensors.
  • Memory for up to 99 records.


  • Environmental testing
  • Air conveyors
  • Flow hoods
  • Clean rooms
  • Air velocity
  • Air balancing
  • Fans, motor and blowers
  • Furnace velocity
  • Refrigerated cases and coldrooms
  • Paint spray booths

Authorised Australian Distributor


PDF TM-4001-4003 User Manual

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SKU: TENMARS TM-4002 Categories: , Tags: , ,

The TM-4002 hot wire anemometer is used to undertake measurements of air velocity and air temperature / humidity in spaces where the vane anemometer cannot be used, typically in HVAC ducts.and vents. This instrument benefits from a LCD triple display, which can show both air speed and temperature, and the backlight makes this display easy to read in dimly lit areas.

The TM-4002 is able to calculate both air velocity, and air volume and has a wide array of features designed to make testing simple and fast.

The TM-4002 hot wire anemometer lends itself to many applications, including air balancing, fire matrix testing, paint booths, ventilation systems, and environmental testing. The probe is housed within a telescopic device for access to hard to reach areas.

  • The Tenmars TM-4002 displays air (wind) speed in meters/second, feet/minute, kilometers/hr, knots, and miles/hr
  • Displays maximum and minimum readings and holds any reading
  • Manual Data Memory and read function (99 records)
  • Dew point, Wet Bulb calculation

Air Flow (volume) Calculation:

Unit Range Resolution Accuracy
CMM 0~9999 0.1
CFM 0~9999 0.1

Temperature Measurement:

Unit Range Resolution Accuracy
-20~60 0.1 ±1℃
-4~140 0.1 ±1.8℉


Unit Range Resolution Accuracy
%RH 20~80 0.1 ±3.5%RH
%RH <20, >80 0.1 ±5%RH


Weight 1 kg


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