Kestrel 5700 Sportsman Weather Meter with Applied Ballistics

Take your shooting to the next level! The Kestrel 5700 Sportsman Weather Meter combines accurate measurement of air density and wind with a powerful ballistics calculator to deliver precise elevation and windage solutions for any gun, any round, any shot. The built-in enhanced Applied Ballistics G1/G7 ballistics solver is tested and trusted by long-range hunters and shooters.

$419.00
In stock
SKU
0857S

Maximum number of characters: 23


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  • Employs the enhanced Applied Ballistics G1/G7 solver, including Aerodynamic Jump, Spin Drift and Coriolis corrections to achieve accurate long-range shots.
  • Muzzle Velocity Truing allows for accurate measurement of bullet speed without a chronograph.
  • Optional LiNK connectivity powered by Bluetooth® low energy provides wireless communication to mobile devices and computers and integration with LiNK compatible laser range finders for improved speed and accuracy. (Note: LiNK Dongle sold separately)
  • Choice of solution units (Mils, MOA, or clicks)- works with any gun or targeting scope.
  • Weather mode offers the full environmental measurements, storage and charting capabilities of the Kestrel 5500 Weather Meter, including wind speed, direction, crosswind, temperature, humidity, pressure and altitude.
  • Large, hi-res, hi-contrast, graphic display is perfectly readable in the brightest sunlight. Includes both bright white and night-vision-preserving red backlight.
  • Kestrel LiNK for Ballistics app on iOS and Android provides convenient gun management and backup.
  • Rugged (drop tested to MIL-STD-810G standards), waterproof (sealed to IP67 standards).
  • Protective pouch, neck lanyard and Lithium AA battery included.
  • 5-year warranty.
  • Through a purchased firmware upgrade, the Kestrel 5700 Sportsman can be converted to the full Kestrel 5700 Elite with its more advanced extreme long range feature set.

Kestrel 5700 Sportsman Weather Meter with Applied Ballistics Overview

Environmental Measures
Altitude (Barometric)
Barometric Pressure
Compass Direction
Crosswind
Density Altitude
Dew Point Temperature
Headwind/Tailwind
Heat Stress Index
Relative Humidity
Station Pressure (Absolute Pressure)
Temperature
Wet Bulb Temperature (Psychrometric)
Wind Chill
Wind Speed/Air Speed
Tips For Taking Accurate Measurements

The next generation of ballistics weather meter is here with the Kestrel 5700 Sportsman Weather Meter with Applied Ballistics.

The Kestrel 5700 Sportsman is a tremendous value in full-featured ballistics calculators. Providing the same trusted accuracy, reliability, and usability as the original Kestrel 5700 Sportsman Weather Meter, this integrated weather meter and ballistics solver takes the guesswork out of long-range shooting and is an ideal companion for hunters and shooters working within the supersonic flight range of their bullet.

The Kestrel 5 Series platform offers a large, high-resolution and contrast display with ease of font readability. It also includes a built-in dual color backlight, extra-strong polycarbonate lens, AA battery operation and optional LiNK iOS and Android wireless connectivity and app support. Like all Kestrel meters, the Kestrel 5700 Sportsman is drop-proof, dust-proof, waterproof and able to withstand harsh environments without damage– so it can accompany you to the range or hunt for years to come. A range of carry pouch options makes it even easier to take your Kestrel 5700 Sportsman with you.

Buy the Kestrel 5700 Sportsman with LiNK and get the power of the Kestrel LiNK Ballistics app for free. Build and manage your gun/bullet profiles and download them to your Kestrel 5700 Sportsman before you set out. At the range or match, secure your Kestrel 5700 Sportsman to a tripod using the optional Kestrel Vane Mount and use the app to quickly adjust the target range and view the shooting solution and wind rose without leaving your shooting position. It’s like having a meteorologist and ballistician standing next to you while you shoot.

LiNK enabled units can also be wirelessly paired with LiNK compatible laser range finders, such as the Bushnell Elite 1 Mile CONX, to seamlessly integrate target data into the ballistic solution for unparalleled speed and accuracy.

In addition to the ballistics solver capabilities, the Kestrel 5700 Sportsman is a comprehensive weather meter for measurement and logging of primary environmental conditions: wind speed and direction, temperature, humidity, heat index, pressure and altitude. Paired with the Vane Mount, the Kestrel 5700 Elite becomes a compact, easily-deployable weather station. Your data log can be transferred to a iOS/Android device wirelessly with the LiNK wireless communication option and Kestrel LiNK app, or to a Windows/Mac device with either the accessory Kestrel LiNK Dongle or waterproof USB Data Transfer Cable (Both sold separately).

Kestrels have been put to the test in some of the harshest conditions on the planet. U.S. Special Forces, combat weather teams, wildland firefighters, smoke jumpers, Mt. Everest expeditions and auto pit crews are just a few who rely on a Kestrel to provide them with the crucial environmental data they need. Watch any on-screen meteorologist during a hurricane, and you’re sure to spot a Kestrel in action. With a Kestrel 5700 Sportsman, you can put accurate shooting solutions and environmental measurements in the palm of your hand, anywhere your adventure takes you.


Kestrel Elite to Kestrel Sportsman Feature Comparision

57005700 Elite
Performance Features
G1/G7 Drag Models in Mil, TMOA, SMOA, in, cm, ClicksXX
Corrects for Wind, Temp, & Altitude ChangesXX
LiNK Connectivity (Bluetooth Low Energy)XX
Easy ModeXX
MV Calibration & Muzzle VelocityXX
Range Card X
Gun Profile Storage3 Guns30 Guns
Targets110
Subsonic Range Truing (Drop Scale Factor) X
Multi Target Screen X
Applied Ballistics Custom Curves X
Utility Features
Aerodynamic Cross Wind JumpXX
CoriolisXX
Spin Drift CorrectionXX
MV Temp TableXX
Target Lead CalculatorXX
Target Speed EstimatorXX
Target Range EstimatorXX
5500 yd Max Range X
Zero Offset X
  • Precision & Competitive Shooting
  • Shooting
  • Backlight - Switchable White/Red
  • Ballistics Calculator - Applied Ballistics®
  • Battery Life Indicator
  • Data Log Graph View
  • Data Logging - Adjustable Interval
  • Date & Time
  • Digital Compass
  • Drop-Tested to MIL-STD-810G
  • Floats
  • FREE Kestrel LiNK Apps for Windows & Mac*
  • FREE Kestrel LiNK Software for iOS and Android*
  • High Contrast, Sunlight Readable Monochrome LCD Display
  • Integrated Flip Open Impeller Cover
  • Intuitive Tactile Up/Down/Enter Keypad
  • LiNK Wireless Communication - When Option Selected (Bluetooth low energy)*
  • Multilingual Menus (English, French, Spanish, German)
  • Minimum/Maximum/Average Reading
  • Pressure Sensor
  • Relative Humidity Sensor
  • Temperature Sensor (Patented External Isolated)
  • Waterproof to IP67 (3'/1M for 30 minutes)
  • Aerodynamic Jump Correction
  • Basic Ballistic Data Table
  • *Connect with LiNK Compatible Range Finders
  • Coriolis Correction
  • Create and store 1 Target
  • Create and store up to 3 Gun/Bullet Profiles
  • G1/G7 Drag Models
  • Muzzle Velocity Calibration
  • MV-Temp Table
  • Spin Drift Correction
  • Supports Mil, MOA, Clicks
  • Standard and Night Vision Preserving Backlight
  • Target Range Estimator

    • * Applies to LiNK models only

  • Battery - 1 x AA
  • Certificate Of Conformity (Spec Sheet)
  • Instructions
  • Lanyard
  • Protective Drawstring Pouch
  • Vane Mount Carry Case (for models with LiNK & Vane Mount)
SENSORS
SENSORS ACCURACY RESOLUTION SPECIFICATION RANGE NOTES
Wind Speed | Air Speed Larger of 3% of reading, least significant digit or 20 ft/min Speed 0.1 m/s
1 ft/min
0.1 km/h
0.1 mph
0.1 knots
1 B*
0.1 F/S*
0.6 to 40.0 m/s
118 to 7,874 ft/min
2.2 to 144.0 km/h
1.3 to 89.5 mph
1.2 to 77.8 knots
0 to 12 B*
2-131.2*
1 inch|25 mm diameter impeller with precision axle and low-friction Zytel® bearings. Startup speed stated as lower limit, readings may be taken down to 0.4 m/s |79 ft min|1.5 km/h |.9 mph |.8 kt after impeller startup. Off-axis accuracy -1% @ 5º off axis; -2% @ 10º; -3% @ 15º. Calibration drift < 1% after 100 hours use at 16 MPH|7 m/s. Replacement impeller (NK PN-0801) field installs without tools (US Patent 5,783,753). Wind speed calibration and testing should be done with triangle on impeller located at the top front face of the Kestrel. Measuring wind speeds above 60 m/s / 134.2 mph can damage the impeller
Ambient Temperature 0.9 °F
0.5 °C
0.1 °F
0.1 °C
-20.0 to 158.0 °F
-29.0 to 70.0 °C
Airflow of 2.2 mph|1 m/s or greater provides fastest response and reduction of insolation effect. For greatest accuracy, avoid direct sunlight on the temperature sensor and prolonged sunlight exposure to the unit in low airflow conditions. Calibration drift is negligible for the life of the product. For further details, see Display & Battery Operational Temperature Limits.
Relative Humidity 2%RH 0.1 %RH 10 to 90% 25°C noncondensing To achieve stated accuracy, unit must be permitted to equilibrate to external temperature when exposed to large, rapid temperature changes and be kept out of direct sunlight. Calibration drift is typically less than ±0.25% per year.
Pressure 1.5 hPa|mbar
0.044 inHg
0.022 PSI
0.1 hPa|mbar
0.01 inHg
0.01 PSI
25°C/77°F
700-1100 hPa|mbar
20.67-32.48 inHg
10.15-15.95 PSI
Monolithic silicon piezo-resistive pressure sensor with second-order temperature correction. Between 1100–1600 mbar, unit will operate with reduced accuracy. Sensor may not operate above 1600 mbar and can be damaged above 6,000 mbar or below 10 mbar. Calibration drift is negligible for the life of the product.
Compass
1/16th Cardinal Scale
0 to 360° 2-axis solid-state magneto-resistive sensor mounted perpendicular to unit plane. Accuracy of sensor dependent upon unit’s vertical position. Self-calibration routine eliminates magnetic error from batteries or unit and must be run after every full power- down (battery removal or change). Readout indicates direction to which the back of the unit is pointed when held in a vertical orientation. Declination/variation adjustable for True North readout.

CALCULATED MEASUREMENTS
MEASUREMENT ACCURACY (+/-) RESOLUTION SENSORS EMPLOYED
Air Density 0.0002 lb/ft3
0.0033 kg/m
0.001 lbs/ft3
0.001 kg/m3
Temperature, Relative Humidity Pressure
Air Flow 6.71% 1 cfm
1 m3/hr
1 m3/m
0.1m3/s
1 L/s
Air Speed, User Input (Duct Shape & Size)
Altitude typical: 23.6 ft/7.2 m
from 750 to 1100 mBar
max: 48.2 ft/14.7 m
from 300 to 750 mBar
1 ft 1 m Pressure, User Input (Reference Pressure)
Barometric Pressure 0.07 inHg
2.4 hPa|mbar
0.03 PSI
0.01 inHg
0.1 hPa|mbar
0.01 PSI
Pressure, User Input (Reference Altitude)
Crosswind & Headwind/Tailwind 7.1% 1 mph
1 ft/min
0.1 km/h
0.1 m/s
0.1 knots
Wind Speed, Compass
Delta T 3.2 °F
1.8 °C
0.1 °F 0.1 °C Temperature, Relative Humidity Pressure
Density Altitude 226 ft
69 m
1 ft 1 m Temperature, Relative Humidity Pressure
Dew Point 3.4 °F
1.9 °C
15-
95% RH. Refer to Range for Temperature Sensor
0.1 °F
0.1 °C
Temperature, Relative Humidity
Evaporation Rate 0.01 lb/ft2/hr
0.06 kg/m2/hr
0.01 b/ft2/hr
0.01 kg/m2/hr
Wind Speed, Temperature Relative Humidity Pressure, User Input (Concrete Temperature)
Heat Index 7.1°F
4.0°C
0.1 °F
0.1 °C
Temperature, Relative Humidity
Moisture Content | Humidity Ratio (“Grains”) 4.9gpp
.7g/kg
0.1 gpp
0.01 g/kg
Temperature, Relative Humidity Pressure
Probability of Ignition (PIG) PIG Accuracy dependent on proximity of inputs to reference table steps. 10% Temperature, Relative Humidity
THI (NRC) 1.5 °F
0.8 °C
0.1 °F
0.1 °C
Temperature, Relative Humidity
THI (Yousef) 2.3 °F
1.3 °C
0.1 °F
0.1 °C
Temperature, Relative Humidity
Relative Air Density .0.3% 0.1% Temperature, Relative Humidity Pressure
Wet Bulb Temperature - Psychrometric 3.2 °F
1.8 °C
0.1 °F
0.1 °C
Temperature, Relative Humidity Pressure
Wet Bulb Temperature - Naturally Aspirated (NWB TEMP) 1.4 °F
0.8 °C
0.1 °F
0.1 °C
Wind Speed, Temperature Globe Temperature, Relative Humidity, Pressure
Wind Chill 1.6 °F
0.9 °C
0.1 °F
0.1 °C
Wind Speed, Temperature
 
ADDITIONAL PRODUCT INFO
Display & Backlight Multifunction, multidigit monochrome dot-matrix display. Choice of white or red LED backlight.
Response Time & Display Update Display updates every 1 second. After exposure to large environmental changes, all sensors require an equilibration period to reach stated accuracy. Measurements employing RH may require longer periods particularly after prolonged exposure to very high or very low humidity. WBGT requires about 8 minutes to reach 95% accuracy and about 15 minutes to reach 99% accuracy after exposure to large environmental changes.
Data Storage & Graphical display Min/Max/Avg History Logged history stored and displayed for every measured value. Manual and auto data storage. Min/Max/Avg history may be reset independently. Auto-store interval settable from 2 seconds to 12 hours*, overwrite on or off. Logs even when display off except for 2 and 5 second intervals. Kestrel 5 series units hold over 10,000 data points.
data Upload & Bluetooth Data Connect Option Wireless range up to 100ft. Connection requires optional USB data transfer cable or Kestrel Link Dongle or Kestrel LiNK app. Employs Kestrel Link protocol for data transmission with Link supported devices. (Kestrel LiNK for iOS/Android, Kestrel Link for PC/MAC).
Clock/Calendar Real-time hours:minutes:seconds clock, calendar, automatic leap-year adjustment.
Auto Shutdown User-selectable – Off, 15-60 minutes with no key presses.
Languages English, French, German, Spanish.
Certifications CE certified, RoHS, FCC, IC tested and WEEE compliant. Individually tested to NIST-traceable standards.
Origin Designed and manufactured in the USA from US and imported components. Complies with Regional Value Content and Tariff Code Transformation requirements for NAFTA Preference Criterion B.
Battery Life AA Lithium included. Up to 400 hours of use, reduced by backlight, alert light and buzzer, or Bluetooth radio transmission use.
Shock Resistance MIL-STD-810g, Transit Shock, Method 516.5 Procedure IV; unit only; impact may damage replaceable impeller.
Sealing Waterproof (IP67 and NEMA-6)
Display & Battery Operational Temperature Limits 14° F to 131° F | -10 °C to 55 °C Measurements may be taken beyond the limits of the operational temperature range of the display and batteries by maintaining the unit within the operational range and then exposing it to the more extreme environment for the minimum time necessary to take reading.
Storage Temperature -22.0 °F to 140.0 °F | -30.0 °C to 60.0 °C.
Size & Weight 5.0 x 1.9 x 1.1 in | 12.7 x 4.5 x 2.8 cm, 4.3 oz | 121 g. (Lithium battery included)

Kestrel 5 Series Certificates of Comformity

Kestrel 5 Series specification chart



Models & SKUs:

  • Kestrel 5700 Sportsman Weather Meter with Applied Ballistics: 0857SBRN
  • Kestrel 5700 Sportsman Weather Meter with Applied Ballistics with LiNK + Vane Mount: 0857SLVBRN

  • Support Documents for all Kestrels

    Replacing the Kestrel Impeller

    LiNK (Kestrel)

    Instructions for the use of the Kestrel LiNK App

    This tutorial will show you how to create a graph of the data that you exported from your Kestrel 5000 series or Kestrel DROP using one of the Kestrel LiNK applications.

    Troubleshooting Bluetooth Dongle Issues with the Kestrel 5000 Series Models and LiNK for Windows.

    Kestrel 5 Series Certificates of Comformity

    Kestrel 5 Series Instruction Manuals (Ballistics)

    A 10 step guide to setup your Kestrel to work with your gun.

    Kestrel Elite & Sportsman Weather Meters with Applied Ballistics User Guide

    LiNK (Kestrel Ballistics)

    A quick quide to update your Kestrel LiNK Ballistics for Android firmware.

    A simple guide to help you update your Firmware on your Kestrel using LiNK for iOS

    Kestrel 5 Series Downloads

    Tips for taking accurate measurements Support tab at www.kestrelinstruments.com

    wind measurement and long-range shooting, SME NVDOC1403-Wind

    Product Questions

    "All measurements not available in all units"

    Temperature Functions

    For best accuracy when taking temperature measurements you must keep the air moving around the temperature sensor and keep the Kestrel out of prolonged, direct sunlight. If there is a strong breeze, just point the Kestrel into the wind. If there is no wind, swing the Kestrel around in a circle on its lanyard or rapidly wave it back and forth in hand. This ensures that the sensor measures the temperature of the air rather than the temperature of the case. Alternatively, if you have time, allow the Kestrel to rest where you want to measure the air temperature (NOT in your hand or in direct sunlight if there is no wind) until the case temperature equalizes with the air temperature. When equalized, the display will read a constant value. Be aware that this could take a few minutes, particularly if there is no wind.

    Humidity Functions

    One reason your Kestrel may not be reading accurate ambient humidity is because of proximity to humidity sources such as your hand, your body or the ground. Avoid covering the large humidity chamber opening on the case rear with your fingers. Keep all fingers below the finger groove and away from the chamber opening. Do not take reading that rely upon humidity with the Kestrel meter lying flat – raise it into the air vertically or stand it on its base and orient it into the wind or air flow. If a high level of accuracy is required for measurements involving humidity, do not hold the unit while taking measurements. Taking readings with the Kestrel in your hand or over your body can raise relative humidity by 5% or more. A Kestrel vane mount will isolate the Kestrel Meter from erroneous humidity influences and keep it oriented into the wind or air flow while taking measurements. Whenever you move your Kestrel Meter into a new environment wait until the primary sensor values have stabilized (Temperature, Humidity, etc.) before taking measurements that rely upon these values. After a large change in environmental condition, this may take 15 minutes or more, with humidity potentially taking the longest. If the humidity sensor housing (located above the rear label) is wet, the Kestrel cannot take an accurate humidity reading. If the sensor does become wet, shake the unit vigorously to remove the water, and then let it dry completely before use. If the sensor comes in contact with salt water, rinse it thoroughly with clean water, then shake it and allow it to dry. As is typical with humidity sensors, it is possible for the humidity sensor in the Kestrel to drift over time as described in the spec sheet. If your unit has a Humidity recalibration function, it can be returned to the factory or used with the Kestrel RH Calibration Kit to recalibrate its humidity readings.

    Wind Meter Functions

    Wind speed is highly dependent on surrounding obstructions such as buildings, yourself and the ground, with wind speeding up as it flows around and over obstacles and slowing down as it passes behind them. Even in an open area, Wind speed will be slower near the ground so ensure you are taking measurements at an appropriate height for your application. Hold the back of the unit directly into the wind. Holding the unit off-axis by 5° will reduce accuracy by 1%, 10° will reduce accuracy by 2% and 15° will reduce accuracy by 3%. Using a Kestrel Vane Mount will ensure the unit is correctly oriented into the wind and measuring accurate wind speeds. The Kestrel impeller housing can rotate in the unit. For best accuracy, ensure one of the three “arms” of the impeller housing is pointing straight up. The wind speed displayed by the Kestrel Meter is a 3 second rolling average. This allows the unit to provide a value that is more representative of the typical, ambient conditions but not capture peak speeds for instantaneous blasts of air.

    Compass Functions

    The compass in the Kestrel Meter is used for direction, crosswind, headwind/tailwind as well as for capturing various user inputs based on direction. When calibrating and when using the compass, it is important to hold the unit as vertically as possible. Any tilt in angle present when the unit is calibrated or when measurements are taken will negatively impact the accuracy of the compass reading. Many users will inadvertently tilt the Kestrel Meter away from themselves slightly when holding the unit. If a high level of accuracy is required, using a Kestrel vane mount on a leveled tripod for calibration and measurement can eliminate error.

    Pressure Functions

    All pressure and altitude measurements are made using the pressure sensor. Some units have a dedicated “Pressure” screen which shows Station Pressure, the raw pressure reading straight from the sensor. The Barometric Pressure measurement (Baro) displays the local Barometric Pressure using the Station Pressure measurement adjusted to the local altitude using the Reference Altitude value input by the user. The Altitude measurement displays the local altitude using the Station Pressure measurement combined with the Reference Baro value input by the user. To obtain an accurate barometric pressure or altitude readings, you must first know EITHER your location’s current barometric pressure OR your current altitude. If the Reference Altitude value is incorrect, the Barometric Pressure reading will also be incorrect. If the Reference Barometric pressure value is incorrect, the Altitude reading will also be incorrect. Because Barometric Pressure and Altitude are each dependent on the alternate reference value remaining constant, Barometric Pressure and Altitude cannot be accurately measured simultaneously. If your unit has a pressure recalibration function, a new Barometric Pressure calibration value may be input. If this value was not taken from a verified source (a local airport or weather station) with the Kestrel being calibrated at the same location as the reference device, pressure related measurements may be incorrect.

    WBGT

    When changing environments (such as moving form an air conditioned room to outdoors or removing the unit from your pocket) the unit requires between 8-15 minutes to equilibrate to its surroundings before taking readings. Take measurements at least 3 feet off the ground and in the same wind or air flow conditions as the people you are monitoring. Ensure the Kestrel is oriented into the wind and able to measure the full wind value. A tripod or pole mount and the Kestrel Rotating Vane Mount are ideal for ensuring accurate measurements. Differences in the reflectivity of ground surfaces such as grass or asphalt will impact measurements. Be sure to take measurements in the same solar/radiant heat environment as the people you are monitoring. Unlike best practices for other measurements, WBGT is intended to be taken in direct sunlight. As long as there is occasional wind the Kestrel has software that allows it to maintain an accurate WBGT reading despite being placed in direct sunlight.

    Air Flow

    Kestrel Professional Meters can calculate air flow through a duct by combining user input information about the size and shape of the duct with the measured air velocity. In addition to reading the instantaneous Air Flow off the main measurement screen, a more accurate result may be obtained by capturing an average air flow on the Min/Ave/Max screen while traversing the duct. Traversing consists of dividing the area of the duct into evenly sized sections and averaging the air flows at the center of all sections. By spending an equal amount of time at each measurement location and quickly moving between measurement locations, the average air flow measurement can provide a more accurate measure of the air flow in the duct. Capturing an average can be particularly helpful when measuring ducts with registers or dimensionally uneven air flow.

    Air Flow Diagram

    Evaporation Rate

    (Kestrel 5200 Professional Environmental Meter) Kestrel Professional Meters can calculate a concrete evaporation rate (ACI 308) by combining a user input concrete temperature with measured air temperature, wind speed and relative humidity. Concrete mix temperature is generally measured with a probe or infrared thermometer and should be read at the time of making the evaporation rate measurement After inputting the mix temperature, hold the unit vertically, approximately 20 inches above the surface of the concrete while facing the rear of the unit directly into the wind. To avoid inaccurate Evaporation Rate readings due to thermal loading it is best to shade the Kestrel. (Be sure the source of shade is not obstructing the wind speed measurement.) The ACI recommends taking a 6-10 second average of the evaporation rate to account for fluctuating wind speeds. To measure an average Evaporation Rate, scroll right from the Evaporation Current Measurement Screen to the Min/Ave/Max Screen and press select to manually start and stop a capture.

    ... Read more

    Yes! The Kestrel 5 Series now has both Android and iPhone integration through our Kestrel LiNK iOS and Android Apps. Kestrel LiNK iOS and Android apps allow LiNK enabled Kestrel 5 Series Meters and DROPs to connect wirelessly with mobile devices to view real-time measurements, receive on-screen alerts, download data and perform firmware updates. The Kestrel LiNK Ballistics app, designed specifically for the Sportsman and Elite Kestrel meters, provides full gun management and access to the Applied Ballistics library of G1/G7 curves (Sportsman) and custom drag models (Elite). For a quick look at all of the Kestrel LiNK Application Features - Click Here.

    Link Features ... Read more

    Make sure Bluetooth® is turned ON on your phone. On the Kestrel, go to the Main Menu->Bluetooth and turn it ON. Press the center button while Bluetooth is highlighted and check to ensure that Conct is set to PC/Mobile and it shows Available.  Next go to the application that you are connecting with on your phone and select the Kestrel as the device you would like to connect with.  Please note: if you do not find the Kestrel on your phone’s “standard” Bluetooth connection screen, that does not mean that the Kestrel is not working properly. Please first go to the application and try to connect through the application. The Kestrel should connect.

    ... Read more

    All models of the Kestrel 5000 Series have optical data ports that can be seen through the openings of the battery door. A USB Data Transfer Cable can be purchased separately, which plugs directly into the back of the Kestrel and extends to a USB port in your computer.  You will NOT be able to connect a non-LiNK model unit to a mobile device (e.g., any device without a USB port).

    ... Read more

    These programs handle uploading the weather data from the Kestrel to a specific device. This weather data can then be exported into MS Excel. You can also update your firmware any of these programs. Visit the Kestrel LiNK Software and Apps page to learn more.

    ... Read more

    To UPDATE your firmware on any Kestrel you can use the appropriate link below:

    As can be seen in the pictures below, place your thumb on the bottom of the unit and slide the latch from the “Locked” to the “Unlocked” position. The battery door should pop up enough that you can remove it. If you have trouble opening the battery door, some slight pressure DOWN on the battery door itself with your other thumb may help release the latch.


    ... Read more

    First slide in the tab at towards the top of the unit, then gently press the bottom part of the battery door down until it snaps into place.  Ensure that the O-ring remains in place on the battery door when closing.

    ... Read more

    No. Since the Kestrel 5 Series meters utilize only one AA battery, there is no need to use the battery shim to separate two AAA batteries as in the previous version.

    ... Read more

    NK strongly recommends continual use of Lithium AA batteries in your Kestrel.  Lithium batteries respond best in extreme temperatures and help prevent against any corrosion.  Customers can also use Alkaline or Nickel Metal Hydride (NiMh) if they prefer, but we recommend turning “Auto Store” to “OFF” when placing these units in storage to minimize the drain on the battery.  Also, please make sure you set the System->Battery setting to match the type of batteries that you are using.

    ... Read more

    No. Currently ONLY the Kestrel Sportsman Weather Meter with Applied Ballistics can be upgraded to our Elite model.

    ... Read more

    All of the Kestrel 5000 series units have the Night Vision option in addition to the standard white backlight.  There is a menu selection that allows the customer to toggle between both options.

    ... Read more

    Yes. You can always trade-in an older Kestrel, regardless of its condition, by using our Customer Trade-In Program.

    ... Read more

    Wind Speed – NK sells factory calibrated replacement impellers that can easily be installed by the customer. NK recommends replacing the impeller every 2-3 years depending on usage.

    Humidity – The Kestrel 5 Series and DROP data loggers employ a highly accurate, calibrated, digital humidity sensor. Based on the sensor manufacturer's specifications and NK testing, drift on this sensor over time is minimal and field recalibration is likely to degrade accuracy rather than improve it. Factory calibration to validate and certify accuracy at a minimum of two RH points is available from NK. In the event NK observes a significant number of tested sensors exhibiting drift greater than +/-1%RH/year, NK will develop a recalibration routine which can be installed via firmware update. During the five-year warranty period, NK will repair, recalibrate or replace any Kestrel 5 Series or DROP which drifts more than +/-1% RH/year since the date of manufacture.

    Temperature – The thermistor in the Kestrel 5 series should not need to be recalibrated. If you think your sensor is incorrect, please contact techsupport@nkhome.com

    Pressure – The pressure in the Kestrel 5 series should not need to be recalibrated. If you think your sensor is incorrect, please contact techsupport@nkhome.com

    ... Read more

    Kestrel 5 series units with LiNK will need to use the Kestrel LiNK Wireless Dongle to connect with a computer. The Kestrel 5 series will not work with any internal Bluetooth modules. To connect, insert the Kestrel LiNK Dongle into an open USB port. On the Kestrel, go to the Main Menu->Bluetooth and turn it ON. Set Conct to “PC / Mobile.” Open the application on the computer and select the Kestrel as the device to connect to. There is no more “pairing,” “COM port numbers,” or “PIN Codes” to worry about for those familiar with the 4000 series.

    ... Read more

    Please see our guide for this Bluetooth issue:

    Kestrel 5 Series Instruction Manuals

    Get help connecting my Kestrel 5 series unit to my computer using a bluetooth dongle.

    ... Read more

    Please see our graphing guide:

    LiNK (Kestrel)

    This tutorial will show you how to create a graph of the data that you exported from your Kestrel 5000 series or Kestrel DROP using one of the Kestrel LiNK applications.

    ... Read more

    Yes! The Kestrel 5 Series now has both Android and iPhone integration through our Kestrel LiNK iOS and Android Apps. Kestrel LiNK iOS and Android apps allow LiNK enabled Kestrel 5 Series Meters and DROPs to connect wirelessly with mobile devices to view real-time measurements, receive on-screen alerts, download data and perform firmware updates. The Kestrel LiNK Ballistics app, designed specifically for the Sportsman and Elite Kestrel meters, provides full gun management and access to the Applied Ballistics library of G1/G7 curves (Sportsman) and custom drag models (Elite).

    ... Read more

    For overall setting up profiles and using the Kestrel please see the following document:

    Kestrel 5 Series Instruction Manuals (Ballistics)

    A 10 step guide to setup your Kestrel to work with your gun.

    ... Read more

    Any of the LiNK Ballistics applications will allow you to transfer gun profiles to your Kestrel. So LiNK Ballistics for iOS or LiNK Ballistics for Android will allow you to use a mobile device to transfer gun profiles but you would need to have the LiNK (i.e., Bluetooth) model. If you are using a Windows computer, you can use the Applied Ballistic Profile Loader (Version 42 or higher).

    NOTE : Please be aware that currently the Applied Ballistics Profile Loader cannot be used with Bluetooth; therefore you will need to purchase the USB Transfer cable to transfer files with a Windows PC.

    ... Read more

    Unfortunately we do not have a ballistics application that runs on a MAC.

    ... Read more

    Both LiNK Ballistics for Android and LiNK Ballistics for iOS will display your ballistic solutions remotely. Both Kestrel Companion and Kestrel Companion Pro will show your ballistic solutions remotely as well but are only compatible with the Kestrel 4500 Applied Ballistic or 4500 Sportsman units.

    ... Read more

    Currently the mobile devices cannot perform firmware upgrades. An upgrade is defined as going from a 5700 Series Kestrel Sportsman to a Kestrel Elite with Applied Ballistics. To upgrade your 5700 Series Kestrel Sportsman, you will need to connect to a Windows or MAC computer.

    ... Read more
    Currently only the Bushnell CONX laser rangefinder is compatible with the Kestrel Elite and Kestrel Sportsman units. However, we will be adding more Laser Range finder compatibility moving forward. If you would like to request your laser range finder be integrated with the Kestrel 5000 series, please contact the manufacturer of the laser range finder to let them know.

    ... Read more

    https://kestrelinstruments.com/mwdownloads/download/link/id/105/ ... Read more

    We intentionally packaged the vane mount with the Kestrel Sportsman Weather Meter with Applied Ballistics with LiNK because we feel strongly that this is the best solution for long range shooters.

    ... Read more

    View this informative video, for connecting Bushnell CONX to Kestrel. NOTE:  If you are holding down the laser button on the rangefinder, the rangefinder will ignore any commands from the Kestrel. You will need to release the button on the rangefinder in order for the two devices to communicate.

    ... Read more

    You should always calibrate your Muzzle Velocity on the Kestrel because it accommodates for any errors. The suggested BCs are not always correct. We have seen a lot of muzzle velocity errors even with well chronographed MVs. Truing bends the algorithm to perfectly match the bullet’s flight path. Instead of hoping the prediction works, truing perfectly matches the flight path. For example, the ballistic solver expects different muzzle velocities depending on if you are using the G1 or G7 BC. However the chronograph is just measuring the actual muzzle velocity coming out of the barrel, independent of an BCs being used. Truing your Muzzle Velocity using CAL MV will always get you the proper MV to enter into the Kestrel so that your solutions are always on target.

    ... Read more

    There is no need to input the tapered base into the Kestrel.  If you measure scope height at the bell of the scope, the most your error will be is 1 – 2 clicks at 1000 yards. This can be offset by measuring to the center of the windage turret instead of the bell of the scope.  It is more likely that the scope click errors will do more harm than this will. Here is some reading that might help: http://www.abmediaresources.com/BallisticCalibration.pdf, http://www.abmediaresources.com/talltarget.pdf, and http://www.longrangehunting.com/forums/f19/applied-ballistics-faq-167008/.

    ... Read more

    The free Kestrel LiNK Ballistics app is the perfect companion to the Kestrel Sportsman and Kestrel Elite Weather Meters with Applied Ballistics. Build and manage your gun/bullet profiles and download them to your Kestrel Sportsman before you set out. At the range or match, secure your Kestrel Sportsman to a tripod using the optional Kestrel Vane Mount and use the LiNK Ballistics app to quickly adjust the target range and view the shooting solution and wind rose without leaving your shooting position. It’s like having a meteorologist and ballistician standing next to you while you shoot.

    Download Kestrel LiNK Ballistics for iOS:

    LiNK (Kestrel)

    An iOS application to view you Kestrel Ballistics data.


    Quick Look

    • Wirelessly adjust the target range on your Kestrel and view resulting elevation and windage solution without ever leaving your shooting position.
    • Build and transfer custom gun/bullet profiles.
    • Comprehensive Applied Ballistics bullet library provides G1/G7 ballistics coefficients, weight, diameter and length data for over 500 bullets.
    • With Kestrel Elite Meters, also access and use Applied Ballistics Custom Drag Models, providing exact drag profiles for supersonic, transonic, and subsonic bullet flight for maximum accuracy at extreme long range.
    • Advanced Multi Target view allows you to simultaneously view the elevation and windage solution for up to 8 targets defined by direction, range and angle - giving you the edge at precision rifle matches (available for Kestrel Elite only).

    Example Screen Shots


    See elevation and windage solutions as well as wind speed and direction without leaving your shooting position. Changing Target Range in the app automatically updates the solution from the Kestrel remotely.

    Input up to 8 separate target ranges to see elevation and windage solutions for each. Perfect for competition multi-target stages.

    Create and manage gun and bullet profiles for easy upload to and from your Kestrel. Includes bullet data from the Applied Ballistics G1/G7 bullet library.


    Kestrel Firmware:

    Kestrel 5 Series Downloads

    Version 1.15

    Device Compatibility:

    • Firmware: iOS versions 9 and higher.
    • Hardware: iPhone 4s onward, iPad 3rd generation onward, iPod Touch 5th generation onward.

    Kestrel Compatibility:

    • Kestrel Sportsman Weather Meter with Applied Ballistics with LiNK
    • Kestrel Elite Weather Meter with Applied Ballistics with LiNK
    ... Read more

    The free Kestrel LiNK Ballistics app is the perfect companion to the Kestrel Sportsman and Kestrel Elite Weather Meters with Applied Ballistics. Build and manage your gun/bullet profiles and download them to your Kestrel Sportsman before you set out. At the range or match, secure your Kestrel Sportsman to a tripod using the optional Kestrel Vane Mount and use the LiNK Ballistics app to quickly adjust the target range and view the shooting solution and wind rose without leaving your shooting position. It’s like having a meteorologist and ballistician standing next to you while you shoot.

    Download Kestrel LiNK Ballistics for Android:

    LiNK (Kestrel)

    Download the Kestrel LiNK Ballistics app from the google play store.


    Quick Look

    • Wirelessly adjust the target range on your Kestrel and view resulting elevation and windage solution without ever leaving your shooting position.
    • Build and transfer custom gun/bullet profiles.
    • Comprehensive Applied Ballistics bullet library provides G1/G7 ballistics coefficients, weight, diameter and length data for over 500 bullets.
    • With Kestrel Elite Meters, also access and use Applied Ballistics Custom Drag Models, providing exact drag profiles for supersonic, transonic, and subsonic bullet flight for maximum accuracy at extreme long range.
    • Advanced Multi Target view allows you to simultaneously view the elevation and windage solution for up to 8 targets defined by direction, range and angle - giving you the edge at precision rifle matches (available for Kestrel Elite only).

    Example Screen Shots


    See elevation and windage solutions as well as wind speed and direction without leaving your shooting position. Changing Target Range in the app automatically updates the solution from the Kestrel remotely.

    Input up to 8 separate target ranges to see elevation and windage solutions for each. Perfect for competition multi-target stages.

    Create and manage gun and bullet profiles for easy upload to and from your Kestrel. Includes bullet data from the Applied Ballistics G1/G7 bullet library.


    Kestrel Firmware:

    Kestrel 5 Series Downloads

    Version 1.15

    Device Compatibility:

    • Firmware: Android 4.3 and higher.
    • Hardware: Most Android Devices with Bluetooth Smart®, including Samsung Galaxy, Nexus 4, Motorola Droid and other recent generation phones and tablets.

    LiNK (Kestrel)

    A simple guide to help you update your Firmware on your Kestrel using LiNK for Android

    Kestrel Compatibility:

    • Kestrel Sportsman Weather Meter with Applied Ballistics with LiNK
    • Kestrel Elite Weather Meter with Applied Ballistics with LiNK
    ... Read more

    The Kestrel LiNK App for iOS puts crucial information at your fingertips with remote mobile device viewing of real-time readings from your Kestrel 5 Series Meter or DROP Logger. Kestrel LiNK also provides easy transfer of the Kestrel’s stored data log, a clear graph of all historical data, and customizable alerts based on temperature, heat index, wind or other measurements. Data is transmitted wirelessly via Bluetooth Smart® up to 100’ line of sight or more.

    Download Kestrel LiNK for iOS (Formerly Kestrel Connect):

    LiNK (Kestrel)

    An application that can be used to view and analyze your Kestrel data on an iOS device.


    Quick Look

    • Compatible with Kestrel 5 Series Weather Meters with LiNK and all Kestrel DROP Wireless Data Loggers.
    • View real-time measurements and download data logs from devices within range. LiNK for iOS can connect to up to 8 devices at the same time.
    • View and analyze logged data using range Min/Max/Average statistics and clear scrolling graphs.
    • Get alerts when conditions exceed thresholds you set in the app. (Note: Use of alerts feature reduces battery life of mobile device.)
    • Easily export and email selected data ranges or entire log in .csv format for record keeping and analysis.
    • Post snapshots of current conditions to social media with one click.
    • Manage your Kestrel's name, logging rate and other device settings.
    • Get alerted to available firmware updates for your Kestrel and install them wirelessly.
    • *New* Remote Monitoring – Set Alert Service on a local mobile device and receive emails from your DROP or Kestrel 5 Series whenever conditions go outside your preset threshold.

    Example Screen Shots


    Drag and drop your desired measurements to the real-time Dashboard. Share your Dashboard to social media.

    See every current measurement from your Kestrel meter or DROP on the Readings screen.

    New logged data is automatically added to the history in the app every time your device is within range. Scroll forward or back though all data to see all time-stamped measurements.

    Bluetooth Smart makes it easy to make connections to devices within range from within the app.

    Manage settings on your Kestrel 5 Meter or Kestrel DROP from within the app - alerts, name, connection settings. Install firmware updates..


    Kestrel Firmware:

    LiNK (Kestrel Ballistics)

    A simple guide to help you update your Firmware on your Kestrel using LiNK for iOS

    Kestrel 5 Series Downloads

    Version 1.15

    Device Compatibility:

    • Firmware: iOS versions 6 and higher.
    • Hardware: iPhone 4s onward, iPad 3rd generation onward, iPod Touch 5th generation onward.

    Kestrel Compatibility:

    • Kestrel DROP D1 Wireless Temperature Data Logger
    • Kestrel DROP D2 Wireless Temperature & Humidity Data Logger
    • Kestrel DROP D3 Wireless Temperature, Humidity and Pressure Data Logger
    • Kestrel 5000 Environmental Meter with LiNK
    • Kestrel 5100 Racing Weather Meter with LiNK
    • Kestrel 5200 Professional Weather Meter with LiNK
    • Kestrel 5400 Heat Stress Tracker with LiNK
    • Kestrel 5500 Weather Meter with LiNK
    • Kestrel Sportsman Weather Meter with Applied Ballistics with LiNK
    • Kestrel Elite Weather Meter with Applied Ballistics with LiNK
    ... Read more

    The Kestrel LiNK App for Android puts crucial information at your fingertips with remote mobile device viewing of real-time readings from your Kestrel 5 Series Meter or DROP Logger. Kestrel LiNK also provides easy transfer of the Kestrel’s stored data log, a clear graph of all historical data, and customizable alerts based on temperature, heat index, wind or other measurements. Data is transmitted wirelessly via Bluetooth Smart® up to 100’ line of sight or more.

    Download Kestrel LiNK for Android

    LiNK (Kestrel)

    An application that can be used to view and analyze your Kestrel data on an Android device.


    Quick Look

    • Compatible with Kestrel 5 Series Weather Meters with LiNK and all Kestrel DROP Wireless Data Loggers.
    • View real-time measurements and download data logs from devices within range. LiNK for Android can connect to one device at a time.
    • View and analyze logged data using range Min/Max/Average statistics and clear scrolling graphs.
    • Get alerts when conditions exceed thresholds you set in the app. (Note: Use of alerts feature reduces battery life of mobile device.)
    • Easily export and email selected data ranges or entire log in .csv format for record keeping and analysis.
    • Post snapshots of current conditions to social media with one click.
    • Manage your Kestrel's name, logging rate and other device settings.
    • Get alerted to available firmware updates for your Kestrel and install them wirelessly.
    • *New* Remote Monitoring – Set Alert Service on a local mobile device and receive emails from your DROP or Kestrel 5 Series whenever conditions go outside your preset threshold.

    Example Screen Shots


    Drag and drop your desired measurements to the real-time Dashboard. Share your Dashboard to social media.

    See every current measurement from your Kestrel meter or DROP on the Readings screen.

    Select data ranges to see Min/Max/Avg or export data.

    New logged data is automatically added to the history in the app every time your device is within range. Scroll forward or back though all data to see all time-stamped measurements.

    Bluetooth Smart makes it easy to make connections to devices within range from within the app.

    Manage settings on your Kestrel 5 Meter or Kestrel DROP from within the app - alerts, name, connection settings. Install firmware updates..


    Kestrel Firmware:

    LiNK (Kestrel)

    A simple guide to help you update your Firmware on your Kestrel using LiNK for Android

    Kestrel 5 Series Downloads

    Version 1.15

    Device Compatibility:

    • Firmware: Android 4.3 and higher.
    • Hardware: Most Android devices with Bluetooth Smart®, including Samsung Galaxy, Nexus 4, Motorola Droid and other recent generation phones and tablets.

    Kestrel Compatibility:

    • Kestrel DROP D1 Wireless Temperature Data Logger
    • Kestrel DROP D2 Wireless Temperature & Humidity Data Logger
    • Kestrel DROP D3 Wireless Temperature, Humidity and Pressure Data Logger
    • Kestrel 5000 Environmental Meter with LiNK
    • Kestrel 5100 Racing Weather Meter with LiNK
    • Kestrel 5200 Professional Weather Meter with LiNK
    • Kestrel 5400 Heat Stress Tracker with LiNK
    • Kestrel 5500 Weather Meter with LiNK
    • Kestrel Sportsman Weather Meter with Applied Ballistics with LiNK
    • Kestrel Elite Weather Meter with Applied Ballistics with LiNK
    ... Read more

    Transfer data from your Kestrel 5 Series device and archive on your Windows computer. Data logs can be exported as csv files for viewing and analysis in spreadsheets. This software also facilitates updates and upgrades to your device firmware.

    Download Kestrel LiNK for Windows:

    LiNK (Kestrel)

    Kestrel LiNK Version 1.04.03 for Windows


    Quick Look

    • Manage updates and upgrades to device firmware
    • View device information such as device name, model number, firmware version, hardware version and serial number. Rename device.
    • Transfer data from your Kestrel 5 Series device wirelessly or with a USB cable.
    • Archive data logs.
    • Export data logs in csv format for viewing and analysis in spreadsheets.

    Example Screen Shots


    Easily connect your Kestrel to the application using bluetooth.

    Manage your Kestrel: change its name, download data, and/or update your unit.

    Export and analyze your data.


    Kestrel Firmware:

    Kestrel 5 Series Downloads

    Version 1.15

    Kestrel Firmware Version 2.13

    Kestrel Firmware Version 2.15 Update Installer for Windows

    Device Compatibility:

    • Firmware: Compatible with El Capitan

    Kestrel Compatibility:

    • Kestrel 5000 Environmental Meter with LiNK
    • Kestrel 5100 Racing Weather Meter with LiNK
    • Kestrel 5200 Professional Weather Meter with LiNK
    • Kestrel 5400 Heat Stress Tracker with LiNK
    • Kestrel 5500 Weather Meter with LiNK
    • Kestrel Sportsman Weather Meter with Applied Ballistics with LiNK
    • Kestrel Elite Weather Meter with Applied Ballistics with LiNK

    Bluetooth Support:

    LiNK (Kestrel)

    Troubleshooting Bluetooth Dongle Issues with the Kestrel 5000 Series Models and LiNK for Windows.

    ... Read more

    This video series will walk you through setting up your Kestrel Ballistics meter. If you still have any questions or issues, please contact The Kestrel Support team.

    How to #1: Install the Battery

    In this tutorial, we go over how to install the battery and get your new Kestrel ballistics meter up and running

    How to #2: Callibrate the Compass

    Calibrating the compass is easy to do, as shown in this video.

    How to #3: Set Latitude

    How to set the latitude to your current location.

    How to #4: Create a Gun Profile

    How to create a gun profile on your Kestrel Ballistics meter.

    How to #6: Capture Environmental Data

    Capturing environmental data is what a Kestrel meter does best. Here is how you do it.

    How to #7: Vane Mount Applications

    In this video, you learn how to assemble the vane mount and how the vane mount enhances your Kestrel Ballistics meter.

    How to #8: Calibrate Muzzle Velocity and DSF

    How to calibrate muzzle velocity and drop scale factor (DSF).

    How to #9: Advanced Features

    Find out about some of the advanced features in a Kestrel Ballistics meter.

    ... Read more
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    1. Gateway to the Battlefield: A Sniper and His Optic

      A defining moment for a sniper is when he can positively identify a threat within his area of operation and exercise certain actions, from an intelligence report to target neutralization. The ability to identify a target is vital in a stability operation or counterinsurgency (COIN) environment, where precisely aimed fire is at a premium and collateral damage isn’t an option.
    2. Kestrel Meters Critical to Sniper Training

      Kestrel meters play an important role in sniper training and operations, supplying all relevant environmental conditions needed for accuracy in long-distance shooting. With instant heat stress index and optional Bluetooth data transfer capabilities, the Kestrel 4000 series also allows instructors to monitor the health and safety of personnel during training in extreme, potentially dangerous conditions.