Even slight changes in air density, water grains, and density altitude can dramatically affect a machine’s performance. With the added ability to easily measure and track these and other critical factors, such as absolute pressure, temperature, humidity, wind speed and barometric pressure, the Kestrel 4250 Racing Weather Tracker arms racers with the accurate weather data needed to make those last minute jetting or tuning decisions.

 

Kestrel 4250 Features

• Waterproof and floats
• Backlight for low light conditions
• Data logger (automatic and manual)
• Customizable data storage – 2000 data points
• Multi-Function 3-line display
• Convenient averaging mode
• Data charting
• Humidity sensor can be recalibrated in the field with our Relative Humidity Calibration Kit.
• User-replaceable impeller
• Flip-top impeller cover
• Upload to a computer (with optional interface)
• Five languages (English, French, Spanish, German, and Italian)
• US Patent Nos. 5,783,753 and 5,939,645 and 6,257,074
• 5-year warranty
• Assembled in the USA

Kestrel 4250 Includes

• Soft carry pouch
• Neck lanyard
• Batteries – 2 AAA
• Kestrel Certificate of Conformity