![]() ![]() Large LCD with a dual display showing both air velocity and temperature simultaneously.Combination of hot wire and standard thermistor.A slim probe, ideal for grilles and diffusers.Can detect very low air velocity measurements.With USB connectivity, real-time anemometer readings on a PC or laptop are possible for accurate monitoring. In addition, this anemometer will retain data and calculate an average reading based on the last 10 readings providing rapid and precise measurements even at low air velocities. The slim plug-in telescopic wire probe extends to 1 meter with a 9mmØ sensor head which is optimised for use with grill hoods and diffusers. Thermal Anemometers, or hot wire flow sensors, are an effective means of measuring fluid velocity (for example air velocity). The AVM-8880 Hot Wire thermo-anemometer is designed to be suited to measuring lower to mid-air velocities – ideal when carrying out surveys of ventilation/air conditioning, environmental monitoring, and a multitude of other similar tasks. These hot-wire anemometers have a high sensitivity and good spatial resolution which makes them suited for measuring rapid velocity fluctuations. For the latter, the thermal anemometers, the best-known variation is the hot-wire anemometer which consists of a fine wire maintained at a constant temperature where the heat loss is a result of the velocity relating to the air movement. ![]() From those early designs, several different types have evolved including the vane (windmill or propeller-like), ultrasonic and thermal anemometer. Anemometer model GT8911 measures wind LCD. Low air velocities, at draughty windows for example, are quickly located and accurately measured using the anemometer.Integrated sensor protection: when you are not using the testo 405 thermal anemometer, the rotating protective cap protects the flow sensor from mechanical stress.The use of anemometers to determine wind speed goes back to the 15th century when hemispherical cup anemometers where used. The hot wire (thermal) anemometer GT8911 is a professional instrument that measures wind speed and temperature. The Airflow Instruments Multi-Function Thermal Aneomometers are compatible with a range of optional smart' plug-in probes, including CO2, CO, VOC and rotating vane probes, providing a versatile choice of features and functions. The Hot Wire Anemometer is a device used for measuring the velocity and direction of the fluid. You can use this to optimally position the telescope in the ventilation duct and obtain precise measurement results.Since the testo 405 thermal anemometer measures particularly accurately in the range between 0 and 2 m/s, you can also use it to measure the air velocity in rooms. Hot Wire Anemometer(Thermo-anemometer) TAM-05SPD. The duct bracket (included in the delivery) offers key practical advantages. The illuminated display can be swivelled into various positions, ensuring that the readings can be read off comfortably. The measuring range for flow is between 0 to 10 m/s, volumetric flows are calculated up to 99,990 m3/h.The extendible telescope (up to 300 mm) makes the thermal anemometer particularly suitable for flow measurements in ventilation ducts. The anemometer features a permanently mounted telescope and enables you to measure air flow, volumetric flow and air temperature. Product Description If, in your capacity as an HVAC engineer, you carry out fast check measurements in ventilation ducts or in rooms, then our testo 405 thermal anemometer is a must-have. ![]() It is suitable for carrying out quick check measurements in ventilation ducts and for measuring the air velocity in rooms, e.g. Use the testo 405 thermal anemometer to measure air velocity, volumetric flow and air temperature. Particularly precise in the range between 0 and 2 m/s.For measurements in ventilation ducts and in rooms.Measurement of air velocity, volumetric flow and air temperature.
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