N/A Kestrel ® 4300 Construction Weather Tracker

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Product Information

Kestrel ® 4300 Construction Weather Tracker

The Kestrel ® 4300 Construction Weather Tracker measures the same parameters as the Kestrel ® 4000 (Item No. R4000) while also displaying the evaporation rate. Knowing the evaporation rate — a function of relative humidity, temperature and wind speed — improves your results when doing surface coating and pouring concrete. Includes soft carry pouch, lanyard and user-replaceable batteries. Assembled in the USA.




Wind Speed

0.8 to 89 mph



-20°F to 158°F


Wind Chill

-50°F to 50°F


Dew Point

-20°F to 158°F


Heat Index

-70°F to 130°F


Relative Humidity

5% to 95%


Barometric Pressure

22.1 to 32.5 inHg

±0.05 inHg


<19,700 ft.

±98 ft.

Evaporation Rate

0.00 to 1.00 lb/ft2/hr

±0.02 lb/ft2/hr


Weight:3.6 oz.
Wind speed and accuracy:0.8 to 89 mph +/- 3%
Temperature and accuracy:-20° to 158°F +/- 1.8°F
Wind chill and accuracy:-50° to 50°F +/- 1.8°
Dew point and accuracy:-20.0° to 158.0°F +/-3.6°F
Heat index and accuracy:70° to 130°F +/- 3.6°F
Relative humidity and acc:5% to 95% +/- 3%
Barometric press and acc:22.1 to 32.5 inHg +/- .05inHg
Altitude and accuracy:<19,700ft. +/-98ft.@77°F
Battery powered:Yes
Battery amount and type:2 AAA
Auto shut off:Yes
Protective carrying case:Yes
Replacement parts:Yes
Wind Meters Comparison Chart

Online Documents

  • Info Sheet - Specs for Kestrel ® 4300 Construction Weather Tracker
  • Owner's Manual - Instruction Manual for Kestrel ® 4300 Construction Weather Tracker