Kestrel

Waterproof and floats Backlight for low light conditions Data logger (automatic and manual) Customizable data storage – 3200 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/or BlueTooth Model) Five languages (English, French, Spanish, German, and Italian) US Patent Nos. 5,783,753 and 5,939,645 and 6,257,074 Assembled in the USA > Each Units Include Soft carry pouch Neck lanyard Batteries – 2 AAA

Wet Bulb Globe Temperature (WBGT) Thermal Work Limit (TWL) Globe Temperature Naturally Aspirated Wet Bulb Temperature Wind Speed (Current, Average, & Maximum) Altitude Pressure trend Barometric pressure Relative humidity in % Heat stress index Dewpoint Wet bulb temperature Density altitude Wind chill Air, water, and snow temperature °F or °C Waterproof and floats Time and date Easy- to-read backlit display Data Logger (automatic and manual) Customizable data storage 2900 data points Humidity sensor can be calibrated in the field with our Relative Humidity Calibration Kit Customize screens to display user-selected measurements Graph and recall trends User-replaceable impeller Data charting Upload to a computer (with optional interface) Meets MIL-STD-810F 516.5 Procedure IV Transit Shock test 20 drops from 5 ft. IP-67 sealed to exclude dust and water at 3 ft. submersion Five languages (English, French, Spanish, German, and Italian) US Patent Nos. 5,783,753 and 5,939,645 and 6,257,074 Made in the USA > Each Units Include Batteries 2 AAA Kestrel Portable Vane Mount Belt carry case Neck lanyard Kestrel Certificate of Conformity A chart with suggested Heat Stress warning zones

Heading (true & magnetic) Wind direction Crosswind Headwind/tailwind Altitude Pressure trend Barometric pressure Wet bulb temperature Relative humidity in % Heat stress index Dewpoint Density altitude Wind chill Air, water, and snow temperature °F or °C Current, average, and maximum air velocity Waterproof and floats Time and date Easy- to-read backlit display Data Logger (automatic and manual) Customizable data storage 2900 data points Minimum, Maximum and Average values Multi-Function 3-line display Humidity sensor can be recalibrated in the field with our Relative Humidity Calibration Kit Exterior temperature, humidity, and pressure sensors for fast and accurate readings Customize screens to display user-selected measurements Graph and recall trends User-replaceable impeller Flip-top impeller cover allows use of other functions while protecting the impeller Data charting 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 Assembled in the USA > Each Units Include Soft carry pouch Neck lanyard Batteries 2 AAA

Barometric pressure Pressure trend Altitude Relative humidity Heat stress index Dew point Wet bulb temperature Density altitude Wind chill Air, water, and snow temperature Current wind speed Average wind speed Maximum wind gust Waterproof and floats Easy to read, backlit screen with high resolution for even bright sunny conditions. Time and date Exterior temperature, humidity, and pressure sensors for fast and accurate readings Humidity sensor can soon be calibrated in the field via cable or Dongle. Minimum, maximum, and average values Automatically store measurements, even when the unit is turned off Manually store measurements with the press of a button Customizable data storage 10,000 data points Graph and recall trends Customize screens to display user-selected measurements Data charting Data upload (with optional interface or Bluetooth) Five languages (English, French, Spanish, German, and Italian) User-replaceable impeller Flip-top impeller cover allows use of other functions while protecting the impeller US Patent Nos. 5,783,753 and 5,939,645 and 6,257,074 All instruments and accessories are completely assembled in the USA

Measures moisture content ( water grains) Air density Relative air density (RAD) Heading (true & magnetic) Wind direction Crosswind Headwind/tailwind Altitude Pressure trend Barometric pressure Wet bulb temperature Relative humidity in % Heat stress index Dewpoint Density altitude Wind chill Air, water, and snow temperature °F or °C Current, average, and maximum air velocity Waterproof (sealed to IP67 standards) and floats Time and date Easy- to-read backlit display Data Logger (automatic and manual) Customizable data storage 2900 data points Minimum, Maximum and Average values Multi-Function 3-line display Humidity sensor can be recalibrated in the field with our Relative Humidity Calibration Kit Exterior temperature, humidity, and pressure sensors for fast and accurate readings Customize screens to display user-selected measurements Graph and recall trends User-replaceable impeller Flip-top impeller cover allows use of other functions while protecting the impeller Data charting Upload to a computer (with optional interface) Mac or PC Works with Android and iPhone Apps! Five languages (English, French, Spanish, German, and Italian) Rugged (drop tested to MIL-STD-810G standards), waterproof (sealed to IP67 standards) and floats US Patent Nos. 5,783,753 and 5,939,645 and 6,257,074 Assembled in the USA

Measures moisture content ( water grains) Air density Relative air density (RAD) Heading (true & magnetic) Wind direction Crosswind Headwind/tailwind Altitude Pressure trend Barometric pressure Wet bulb temperature Relative humidity in % Heat stress index Dewpoint Density altitude Wind chill Air, water, and snow temperature °F or °C Current, average, and maximum air velocity Waterproof (sealed to IP67 standards) and floats Time and date Easy- to-read backlit display Data Logger (automatic and manual) Customizable data storage 2900 data points Minimum, Maximum and Average values Multi-Function 3-line display Humidity sensor can be recalibrated in the field with our Relative Humidity Calibration Kit Exterior temperature, humidity, and pressure sensors for fast and accurate readings Customize screens to display user-selected measurements Graph and recall trends User-replaceable impeller Flip-top impeller cover allows use of other functions while protecting the impeller Data charting Upload to a computer (with optional interface) Mac or PC Works with Android and iPhone Apps! Five languages (English, French, Spanish, German, and Italian) Rugged (drop tested to MIL-STD-810G standards), waterproof (sealed to IP67 standards) and floats US Patent Nos. 5,783,753 and 5,939,645 and 6,257,074 Assembled in the USA

Evaporation Rate Delta T Air density Relative air density (RAD) Heading (true & magnetic) Wind direction Crosswind Headwind/tailwind Altitude Pressure trend Barometric pressure Wet bulb temperature Relative humidity in % Heat stress index Dewpoint Density altitude Wind chill Air, water, and snow temperature °F or °C Current, average, and maximum air velocity Waterproof (sealed to IP67 standards) and floats Time and date Easy- to-read backlit display Data Logger (automatic and manual) Customizable data storage 2900 data points Minimum, Maximum and Average values Multi-Function 3-line display Humidity sensor can be recalibrated in the field with our Relative Humidity Calibration Kit. Exterior temperature, humidity, and pressure sensors for fast and accurate readings Customize screens to display user-selected measurements Graph and recall trends User-replaceable impeller Flip-top impeller cover allows use of other functions while protecting the impeller Data charting Upload to a computer (with optional interface) Mac or PC Works with Android and iPhone Apps! Five languages (English, French, Spanish, German, and Italian) Rugged (drop tested to MIL-STD-810G standards), waterproof (sealed to IP67 standards) and floats. US Patent Nos. 5,783,753 and 5,939,645 and 6,257,074 Made in the USA

Measures Wet Bulb Globe Temperature (WBGT), Thermal Work Limit (TWL), heat index, temperature, humidity and much more. 15 measurements in all! Waterless! Natural Wet Bulb Temperature accurately calculated from on-board digital sensors with no tedious setup or maintenance Large, hi-res, hi-contrast, graphic display is perfectly readable in the brightest sunlight and is backlit for use in low-light conditions Handheld, portable, data logger with customizable warning flag settings, graphing and measurement statistics Optional LiNK connectivity powered by Bluetooth Smart® provides wireless communication to mobile devices and computers Rugged (drop tested to MIL-STD-810G standards), waterproof (sealed to IP67 standards) and floats Protective pouch, neck lanyard and Lithium AA battery included 5-year warranty