Kestrel 5400AG

Measures wind speed,temperature, humidity, globe temperature, THI, HLI, AHLU and much more. Over 20 measurements in all!Handheld, portable, data logger with customizable heat stress zone settings, gra

  • Product Name:Kestrel 5400AG Cattle Heat Stress Tracker with LiNK + Vane Mount
  • Item No.: 5400AG
  • Manufacturers:Kestrel
  • Country of Origin:USA
  • Measures wind speed,temperature, humidity, globe temperature, THI, HLI, AHLU and much more. Over 20 measurements in all!

  • Handheld, portable, data logger with customizable heat stress zone settings, graphing and measurement statistics.

  • Large, hi-res, hi-contrast, graphic display is perfectly readable in the brightest sunlight and is backlit for nighttime use.

  • Includes LiNK connectivity powered by Bluetooth low energy provides wireless communication to mobile devices and computers.

  • Rugged (drop tested to MIL-STD-810G standards), waterproof and dustproof (sealed to IP67 standards).

  • Carry case, neck lanyard and Lithium AA battery included.

  • 5-year warranty.


The Kestrel 5400 Cattle Heat Stress Tracker offers micro-climate measurement and monitoring at the pen or yard location. Contains a built-in Globe Temperature sensor and complete cattle-specific calculations. Measure THI and HLI and track AHLU based on easy-to-input herd and pen parameters. Perform spot checks or mount in place with the included vane mount accessory to track AHLU for months.  LiNK capability allows remote access to current and logged data from your iOS or Android mobile device. Mount a mobile data equipped tablet nearby to send mobile alerts even when you’re not on-site. Designed by Kestrel with input from some of the world’s most respected experts in cattle heat stress, the Kestrel 5400 Cattle Heat Stress Tracker is designed to help you MEASURE and MANAGE your herd’s heat stress, ensuring you MAXIMIZE your bottom line.

  • Heat Load Index (HLI), Temperature-Humidity Index (THI), Accumulated Heat Load Units (AHLU), Wet Bulb Globe Temperature (WBGT), heat index, Delta T, temperature, humidity and much more. 21 measurements in all!

  • Complete weather station capabilities with a comprehensive suite of weather measurements including wind speed, direction, pressure trend, temperature and humidity.

  • Durable, portable, and easy to use data logger with customizable category settings, graphing and measurement statistics.

  • Large, hi-res, hi-contrast, graphic display is perfectly readable in the brightest sunlight and is backlit for use in low-light conditions.

  • LiNK connectivity powered by Bluetooth LE® provides wireless communication to mobile devices and computers.

  • Rugged (drop tested to MIL-STD-810G standards), dust and waterproof (sealed to IP67 standards).

  • Included Kestrel Vane Mount easily attaches to fencing.

  • Protective pouch, neck lanyard and Lithium AA battery included.

  • 5-year warranty.

Environmental Measures
MetInfo enterprise content manager system | MetInfo CMSAccumulated Heat Load Units (AHLU)
MetInfo enterprise content manager system | MetInfo CMSAltitude (Barometric)
MetInfo enterprise content manager system | MetInfo CMSBarometric Pressure
MetInfo enterprise content manager system | MetInfo CMSCompass Direction
MetInfo enterprise content manager system | MetInfo CMSCrosswind
MetInfo enterprise content manager system | MetInfo CMSDelta T
Density Altitude
MetInfo enterprise content manager system | MetInfo CMSDew Point Temperature
MetInfo enterprise content manager system | MetInfo CMSGlobe Temperature
MetInfo enterprise content manager system | MetInfo CMSHeadwind/Tailwind
MetInfo enterprise content manager system | MetInfo CMSHeat Load Index (HLI)
MetInfo enterprise content manager system | MetInfo CMSHeat Stress Index
MetInfo enterprise content manager system | MetInfo CMSNaturally Aspirated Wet Bulb Temperature
MetInfo enterprise content manager system | MetInfo CMSRelative Humidity
MetInfo enterprise content manager system | MetInfo CMSStation Pressure (Absolute Pressure)
MetInfo enterprise content manager system | MetInfo CMSTemperature Humidity Index (THI)
MetInfo enterprise content manager system | MetInfo CMSTemperature
MetInfo enterprise content manager system | MetInfo CMSThermal Work Limit (TWL)
MetInfo enterprise content manager system | MetInfo CMSWet Bulb Globe Temperature (WBGT)
MetInfo enterprise content manager system | MetInfo CMSWet Bulb Temperature (Psychrometric)
MetInfo enterprise content manager system | MetInfo CMSWind Chill
MetInfo enterprise content manager system | MetInfo CMSWind Speed/Air Speed