This conserves your batteries and ensures that your thermal anemometer is ready for use in the next measurement.Įquip yourself with accessories for the anemometer If you should ever forget to switch off the anemometer, the Auto-off function will take care of this for you. Using the Hold button, you can freeze the current reading in order to compare it with another value, for example. You can read off the current readings and the min/max and calculated mean value at any time on the illuminated display. Single and multi-point averaging provides an indicator of the average volumetric flow, flow speed and temperature reading. When you input the duct surface area, it automatically calculates the volumetric flow during the flow measurement.

The telescope can be extended to a length of up to 820 mm and has a probe head diameter of 7.5 mm.Īs well as flow speed, would you also like to detect the volumetric flow on your air conditioning or ventilation system? This is no problem for the testo 425 thermal anemometer. The thermal anemometer features a telescopic flow probe. With a measuring range of 0 to +20 m/s, the anemometer is particularly well suited to low air flow velocity. It records the flow speed, calculates the volumetric flow and also measures the temperature.

The testo 425 thermal anemometer enables quick spot measurements in ventilation ducts. Testo 425 thermal anemometer for quick, easy flow measurement If the air flow velocity is too low, the room loads are not correctly discharged and optimum room air quality can no longer be guaranteed. In order to establish whether an air conditioning or ventilation system is functioning properly, among other things you need to check the flow speed or the volumetric flow in the ventilation duct.

Testo anemometer