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417 - Large Surface Vane Anemometer

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Product Description

testo 417, vane anemometer with built-in 100 mm vane, incl. temperature measurement, battery and calibration protocol

The compact testo 417 anemometer with built-in flow/temperature vane Ø 100 mm to measure flow speed, volume flow and temperature. Volume flow is shown directly in the display. Accurate volume flow calculation thanks to easy input of duct area. In addition, it is easy to switch to the current temperature reading. The flow direction, i.e. drawn in or blowing, is visible in the display. Timed and multi-point mean calculation provide information on mean volume flow, flow speed and temperature readings. The optional funnel set facilitates efficient measurements at ventilator grilles and disc outlets. Min/max values can also be shown in the display. Current readings can be frozen in the display using the Hold function.

  • Direction of flow recognition
  • Temperature, flow and volume flow measurement
  • Multi-point and timed mean calculation
  • Max/min values
  • Hold button to freeze readings
  • Display light
  • Auto Off function
  • Built-in Ø 100 mm vane


Storage temperature -40 to +85 °C
Operating temperature 0 to +50 °C
Battery type 9V block battery, 6F22
Battery life 50 h
Weight 230 g
Dimensions 277 x 105 x 45 mm
Material/Housing ABS


Probe type NTC
Meas. range 0 to +50 °C
Accuracy ±0.5 °C
Resolution 0.1 °C
Probe type Vane
Meas. Range +0.3 to +20 m/s
Accuracy ±(0.1 m/s +1.5% of mv)
Resolution 0.01 m/s

Additional Information

Additional Information

Application No


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