Item # 400563 4251, testo 425 Anemometer Kit

The compact anemometer, testo 425, with permanently attached thermal flow probe and telescopic handle. Volume flow is shown directly in the display. Exact volume flow calculation thanks to easy input of duct area. You can also switch to the current temperature reading. Timed and multi-point mean calculation provide information on mean volume flow, flow speed and temperature reading. Min/Max and Hold function included.

• Flow, volume flow (cfm) and temperature measurements
• Multi-point and timed mean calculations
• Max-Min values make comparisons fast and easy
• "Hold" button freezes readings
• Clear backlit display
• Auto Off
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• TopSafe provides water, dirt and impact protection

Includes: