Integrated sensor protection: When you are not using the testo 405 thermal anemometer, the rotating protective cap protects the flow sensor from mechanical stress. Low air velocities, at drafty windows for example, are quickly located and accurately measured using the anemometer. 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. You can use this to optimally position the telescope in the ventilation duct and obtain precise measurement results. The optionally available testovent 417 funnel set allows you to carry out measurements at ventilation grilles and disk valves. The integrated vane makes it ideal for carrying out measurements at air inlets and outlets. At only 2.9 kg, it is the lightest volume flow hood on the market. The testo 417 vane anemometer allows you to measure air flow speed, volumetric flow rate and temperature simultaneously. The duct bracket (included in the delivery) offers key practical advantages. Light, precise and convenient: the testo 420 volume flow hood significantly facilitates volume flow measurement at larger air intakes and vents. The illuminated display can be swivelled into various positions, ensuring that the readings can be read comfortably. The extendible telescope (up to 300 mm) makes the thermal anemometer particularly suitable for flow measurements in ventilation ducts. Handling this air flow capture hood with its flow straightener and tiltable display is especially easy, with its low weight of less than 6. Simple to use and feature packed, the testo 410-1 air flow instrument from our Pocket Pro line incorporates the superior vane sensor technology found in Testo’s comprehensive line of vane anemometers. The CEC compliant testo 420 air flow capture hood with Bluetooth is the accurate, lightweight, and convenient solution for measuring volume flows at supplies and returns. The measuring range for flow is from 0 to 10 m/s, and volumetric flows are calculated up to 99,990 m 3/h. The testo 410-1 pocket anemometer provides accurate air velocity measurement in an affordable air flow instrument. The anemometer features a permanently mounted telescope and enables you to measure air flow, volumetric flow, and air temperature. If, in your capacity as an HVAC engineer, you carry out fast check measurements in ventilation ducts or in rooms, then the testo 405 thermal anemometer is a must-have.
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