Kestrel ® 4200 Pocket Air Flow Tracker

      Write a Review
Item No: 158782
Print Email

Product Information

Kestrel ® 4200 Pocket Air Flow Tracker

  • Measure humidity, barometric pressure, dew point and more
  • Automatic air flow measurements calculated in cubic feet per minute
  • Data logging funtion records 1,600 measurement sets
  • Review data on screen or PC
  • Assembled in USA

The easy-to-use Kestrel ® 4200 Pocket Air Flow Tracker is ideal for measuring humidity, barometric pressure, dew point, heat stress, air velocity and more. Automatic air flow measurements calculate readings in cubic feet per minute for you. Data logging function records 1,600 measurement sets at user-selectable time intervals. Review the data on screen or upload it to your PC for further analysis. 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.

Air Flow

0 to 99,999 cfm



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 ® 4200 Pocket Air Flow Tracker
  • Owner's Manual - Instruction Manual for Kestrel ® 4200 Pocket Air Flow Tracker