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01392 343050 (M – F 09:00 – 17:00)


Kestrel 5100 Motorsport Racing Weather Meter

£259.96£467.88 inc Vat

The Kestrel 5100 is a portable handheld device that is ideal for making last minute tuning decisions right next to the engine on the track. The Kestrel 5100 measures moisture content in grains, air density, relative air density, humidity and other parameters key to making the right ET predictions and performance enhancing tuning and jetting adjustments.

Kestrel Comparison



The Kestrel 5100 offers a complete trackside weather station in your hand. Used widely by Go-Kart, Drag Racing, Formula 3 & 4 racers. It measures moisture content in grains, air density, relative air density, humidity and other critical factors. You can rely on it for the information you need to make perfect ET predictions and performance-maximising tuning and jetting decisions.

Current trackside conditions can be viewed over the large high-resolution screen that is clear and easy to read with built-in dual colour backlight. The screen is constructed from high-strength polycarbonate.

The Kestrel 5100 also calculates and logs over 10,000 sets of time-stamped data.

Kestrel 5100 Measures

• Air Density
• Heat Stress Index
• Moisture Content (Grains)
• Relative Air Density (RAD)
• Dew Point Temperature
• Relative Humidity
• Current Wind Speed / Maximum Wind Gust / Average Wind Speed (mph, km/h, ft/min, m/s, knots and Beaufort)
• Temperature / Wind Chill (Fahrenheit and Celsius)
• Station Pressure (Absolute Pressure)
• Barometric Pressure (inHg and hPa (mb))
• Altitude (Feet and Meters)
• Density altitude
• Wet Bulb Temperature (Psychrometric)
• Exterior temperature, humidity & pressure sensors for fast & accurate readings

Kestrel 5100 Features

• Large easily read high resolution, high contrast display with backlight
• Time & Date
• Customize screens to display user-selected measurements
• Graph & recall trends
• Min, Max & Average values
• Automatically store measurements, when powered on or off
• Manually store measurements with the press of a button
• Customizable data storage – 10,000 data points
• Data charting
• Optional LiNK connectivity powered by Bluetooth® low energy provides wireless communication to mobile devices and computers
• Data upload to iOS & Android phones & tablets
• Data upload to Windows or Mac computers with optional USB Data Cable
• Data upload to Windows & Mac computers via wireless Bluetooth (LiNK Enabled Meters only with the optional Kestrel Dongle)
• Standard user-replaceable AA Lithium Battery (Average Life 400 Hours)
• Drop tested to MIL-STD-810G standards (10 drops from 4′)
• Waterproof and dustproof (sealed to IP67 standards – 30′ submersion to 3′)
• Certificate of Conformity
• Neck Lanyard
• Patented Impeller and Sensor Technology (user-replaceable)
• Impeller cover allows use of other functions whilst protecting the impeller
• Waterproof & Floats
• Languages: English, French, Spanish, German & Italian
• 5 Year Warranty

Additional information

Select version

Racing Weather Meter [non LiNK version], Racing Weather Meter [with LiNK]


Compact Tripod with Vane & Mount, Wireless Dongle (PC & Mac) [For LiNK Version]

Contact us on 01392 343050, or email us at
Delivery all depends on stock.
Delivery Cost
Flat rate shipping £4.99, above £100.00: Free
The Channel Islands, Highlands and Islands (standard) £7.65, above £100.00: Free
Pre 12 Next Working Day Delivery £15.95
Europe £17.95
World Wide Zone 1 £25.00
World Wide Zone 2 £98.00
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