- Replaces Kestrel 4400 & 4600 Series
- Wet Bulb Globe Temperature (WBGT)
- Thermal Work Limit (TWL)
- 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
- 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
- 5 Year Warranty
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Return Policy
FourToolz accepts returns within 30 days of delivery for items that are unused, in their original packaging, and include all accessories.
Customers are responsible for return shipping costs unless the product is defective or incorrectly shipped.
For detailed information, please review our full Return Policy or contact us at sales@fourtoolz.com.







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