Testo 425 Thermal Anemometer Kit comes with permanently attached thermal flow probe and telescopic handle. This handheld cfm anemometer shows volume flow 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.
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to 
