{"title":"Kestrel's for Law Enforcement \u0026 Military","description":"\u003cp\u003eWhen your environmental reports determine the potential safety of comrades and communities - accurate, reliable data is essential. SOWTs lay the groundwork for the safe execution of military operations by gathering detailed site-specific weather information. HazMat first responders must quickly assess weather data at incident locations to recommend containment and evacuation plans.\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv class=\"right\"\u003eKestrel Environmental Monitoring Meters are relied on by professionals who demand accuracy and immediacy. Get every environmental condition in seconds. For complete portable weather station monitoring – mount the Kestrel on a tripod with the vane mount and log continuous environmental data. Where there's a need for accurate, rugged, on-site weather monitoring - Kestrel is the solution trusted worldwide by military and law enforcement professionals.\u003c\/div\u003e","products":[{"product_id":"kestrel-1000-wind-meter","title":"Kestrel 1000 Wind Meter","description":"\u003cp\u003eThe Kestrel 1000 is a high-performance, USA-built handheld wind meter designed for professionals and outdoor adventurers alike. Compact, rugged, and completely waterproof, this reliable anemometer floats if dropped in water and easily switches between multiple measurement units (mph, km\/h, ft\/min, m\/s, knots, and Beaufort). Whether you are sailing, hiking, or working in the field, the Kestrel 1000 delivers accurate wind speed data you can count on in any environment.\u003c\/p\u003e","brand":"Kestrel","offers":[{"title":"Default Title","offer_id":42184605860063,"sku":"0810","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0344\/1457\/products\/kestrel-1000-pocket-wind-speed-meter0810extrememeterscom-786849.png?v=1732746098"},{"product_id":"kestrel-3500-3500nv-pocket-weather-meter","title":"Kestrel 3500 Weather Meter","description":"\u003ch4\u003eKestrel 3500 Pocket Weather Meter – USA-Made, Accurate Wind Speed, Temperature, Humidity, Pressure, Heat Stress \u0026amp; Wind Chill Readings – Waterproof, Floats, Easy Operation, 5-Year Warranty\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003eKestrel 3500 Pocket Weather Meter\u003c\/strong\u003e is a versatile, high-performance tool designed for precise weather monitoring in any environment. \u003cstrong\u003eDesigned and built in the USA\u003c\/strong\u003e, this durable, \u003cstrong\u003ewaterproof\u003c\/strong\u003e weather meter measures critical data including \u003cstrong\u003ewind speed\u003c\/strong\u003e, \u003cstrong\u003etemperature\u003c\/strong\u003e, \u003cstrong\u003erelative humidity\u003c\/strong\u003e, \u003cstrong\u003ebarometric pressure\u003c\/strong\u003e, \u003cstrong\u003eheat stress\u003c\/strong\u003e, and \u003cstrong\u003ewind chill\u003c\/strong\u003e—perfect for outdoor enthusiasts, professionals, and anyone who needs accurate, real-time weather information. Whether you're hiking, sailing, or working in the field, the Kestrel 3500 ensures reliable performance in all conditions. \u003cspan\u003eThe The Kestrel 3500 allows for easy switching between mph, km\/h, ft\/min, m\/s, knots, Beaufort as well as Fahrenheit, Celsius. Pressure readings include inHg, hPA, mb.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\n\u003cstrong\u003e\u003c\/strong\u003eWhy the Kestrel 3500 is Perfect for You:\u003c\/h5\u003e\n\u003cp\u003eWith its ability to measure \u003cstrong\u003ewind speed\u003c\/strong\u003e, \u003cstrong\u003etemperature\u003c\/strong\u003e, \u003cstrong\u003ehumidity\u003c\/strong\u003e, \u003cstrong\u003epressure\u003c\/strong\u003e, \u003cstrong\u003eheat stress\u003c\/strong\u003e, and \u003cstrong\u003ewind chill\u003c\/strong\u003e, the \u003cstrong\u003eKestrel 3500\u003c\/strong\u003e is a comprehensive and reliable weather meter designed for professionals and outdoor enthusiasts alike. \u003cstrong\u003eWaterproof\u003c\/strong\u003e, \u003cstrong\u003efloating\u003c\/strong\u003e, and featuring an \u003cstrong\u003eeasy three-button operation\u003c\/strong\u003e, this pocket-sized weather instrument delivers precise readings in any condition. Backed by a \u003cstrong\u003e5-year warranty\u003c\/strong\u003e and a \u003cstrong\u003ecertificate of conformity\u003c\/strong\u003e, the Kestrel 3500 is a smart investment for anyone needing dependable weather data.\u003c\/p\u003e","brand":"Kestrel","offers":[{"title":"Default Title","offer_id":1274371528,"sku":"0835","price":209.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0344\/1457\/products\/kestrel-3500-pocket-weather-meteryellow0835extrememeterscom-159434.jpg?v=1685903994"},{"product_id":"kestrel-drop-2-d2-smart-humidity-data-logger","title":"Kestrel DROP D2 Bluetooth Data Logger - Temperature | Humidity","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Kestrel DROP D2 Bluetooth Data Logger is a compact, waterproof environmental monitoring solution that measures and logs temperature and relative humidity. Perfect for storage monitoring, environmental research, and data collection applications.\u003c\/p\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003ch5\u003eWhat does the Kestrel DROP D2 measure?\u003c\/h5\u003e\n\u003cp\u003eThe DROP D2 measures two key environmental parameters: temperature and relative humidity. It continuously logs this data and transmits it wirelessly via Bluetooth to your smartphone or tablet.\u003c\/p\u003e\n\u003ch5\u003eHow do I connect the DROP D2 to my device?\u003c\/h5\u003e\n\u003cp\u003eDownload the free Kestrel LiNK app (available for iOS and Android), enable Bluetooth on your device, and follow the in-app pairing instructions. The DROP D2 will automatically connect when in range (up to 100 feet).\u003c\/p\u003e\n\u003ch5\u003eHow long does the battery last?\u003c\/h5\u003e\n\u003cp\u003eThe DROP D2 runs on a standard CR2032 coin cell battery that typically lasts 2+ years with normal use. Battery life depends on logging interval and Bluetooth connection frequency.\u003c\/p\u003e\n\u003ch5\u003eIs the DROP D2 waterproof?\u003c\/h5\u003e\n\u003cp\u003eYes! The DROP D2 is fully waterproof (IP67 rated) and even floats, making it ideal for outdoor use, marine environments, and storage areas where moisture may be present.\u003c\/p\u003e\n\u003ch5\u003eWhat is the measurement range?\u003c\/h5\u003e\n\u003cp\u003eTemperature: -22°F to 140°F (-30°C to 60°C)\u003cbr\u003eRelative Humidity: 0% to 100% RH\u003cbr\u003eBoth measurements are highly accurate and calibrated to NIST standards.\u003c\/p\u003e\n\u003ch5\u003eHow much data can it store?\u003c\/h5\u003e\n\u003cp\u003eThe DROP D2 can store over 2,000 data points internally. When connected to the Kestrel LiNK app, data is automatically uploaded to the cloud for unlimited storage and analysis.\u003c\/p\u003e\n\u003ch5\u003eCan I set custom logging intervals?\u003c\/h5\u003e\n\u003cp\u003eYes, you can customize logging intervals from 2 seconds to 12 hours using the Kestrel LiNK app, allowing you to balance data resolution with battery life and storage capacity.\u003c\/p\u003e\n\u003ch5\u003eDoes it work without a smartphone nearby?\u003c\/h5\u003e\n\u003cp\u003eAbsolutely! The DROP D2 logs data independently and stores it internally. You only need your smartphone to configure settings, view real-time data, or download logged information.\u003c\/p\u003e\n\u003ch5\u003eCan I set alerts and notifications?\u003c\/h5\u003e\n\u003cp\u003eYes, the Kestrel LiNK app allows you to set custom high\/low threshold alerts for both temperature and humidity. You'll receive push notifications when conditions exceed your specified limits.\u003c\/p\u003e\n\u003ch5\u003eWhat's included in the box?\u003c\/h5\u003e\n\u003cp\u003eEach DROP D2 includes the data logger unit, CR2032 battery (pre-installed), quick start guide, and access to the free Kestrel LiNK app.\u003c\/p\u003e\n\u003ch5\u003eIs there a subscription fee for the app or cloud storage?\u003c\/h5\u003e\n\u003cp\u003eNo! The Kestrel LiNK app and cloud data storage are completely free with no subscription fees or hidden costs.\u003c\/p\u003e\n\u003ch5\u003eCan I use multiple DROP units together?\u003c\/h5\u003e\n\u003cp\u003eYes, you can monitor multiple DROP data loggers simultaneously through the Kestrel LiNK app, making it perfect for monitoring different locations or environments at once.\u003c\/p\u003e\n\u003ch5\u003eWhat's the difference between the D2, D2AG, and D2HS models?\u003c\/h5\u003e\n\u003cp\u003eThe D2 measures temperature and humidity. The D2AG adds livestock heat stress calculations. The D2HS adds heat stress index for workplace safety monitoring. Choose based on your specific application needs.\u003c\/p\u003e\n\u003ch5\u003eHow accurate are the measurements?\u003c\/h5\u003e\n\u003cp\u003eTemperature accuracy: ±0.9°F (±0.5°C)\u003cbr\u003eHumidity accuracy: ±2% RH\u003cbr\u003eAll sensors are factory calibrated and meet professional-grade standards.\u003c\/p\u003e\n\u003ch5\u003eCan I export my data?\u003c\/h5\u003e\n\u003cp\u003eYes, the Kestrel LiNK app (available below) allows you to export data in CSV format for analysis in Excel, Google Sheets, or other data analysis software.\u003c\/p\u003e","brand":"Kestrel","offers":[{"title":"Blue","offer_id":7756803461,"sku":"0720BLU","price":109.0,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":7756842053,"sku":"0720RED","price":109.0,"currency_code":"USD","in_stock":true},{"title":"Tan","offer_id":7756842117,"sku":"0720TAN","price":109.0,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":47076150313183,"sku":"0720HVG","price":109.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0344\/1457\/products\/kestrel-drop-d2-bluetooth-data-logger-temperature-humidityred0720redextrememeterscom-292166.jpg?v=1685902572"},{"product_id":"kestrel-drop-d3-wireless-temperature-humidity-pressure-data-logger-for-iphone-ipad","title":"Kestrel DROP D3 Bluetooth Data Logger - Temperature | Humidity | Pressure","description":"\u003ch4\u003eProduct Overview\u003c\/h4\u003e\n\u003cp\u003eThe Kestrel DROP D3 Bluetooth Data Logger is a professional-grade environmental monitoring solution that measures and logs temperature, relative humidity, and barometric pressure. Perfect for weather monitoring, environmental research, HVAC applications, storage facilities, and any situation where comprehensive atmospheric data is essential.\u003c\/p\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003ch5\u003eWhat does the Kestrel DROP D3 measure?\u003c\/h5\u003e\n\u003cp\u003eThe DROP D3 measures three critical environmental parameters: temperature, relative humidity, and barometric pressure. This combination provides complete atmospheric monitoring for weather tracking, climate studies, and environmental control applications.\u003c\/p\u003e\n\u003ch5\u003eHow do I connect the DROP D3 to my device?\u003c\/h5\u003e\n\u003cp\u003eDownload the free Kestrel LiNK app (available for iOS and Android), enable Bluetooth on your device, and follow the in-app pairing instructions. The DROP D3 will automatically connect when in range (up to 100 feet).\u003c\/p\u003e\n\u003ch5\u003eWhat's the difference between the D2 and D3 models?\u003c\/h5\u003e\n\u003cp\u003eThe D2 measures temperature and humidity only. The D3 adds barometric pressure measurement, making it ideal for weather monitoring, altitude tracking, and applications where atmospheric pressure data is important. If you need complete weather data, choose the D3.\u003c\/p\u003e\n\u003ch5\u003eIs the DROP D3 waterproof?\u003c\/h5\u003e\n\u003cp\u003eYes! The DROP D3 is fully waterproof (IP67 rated) and even floats, making it perfect for outdoor weather stations, marine environments, agricultural monitoring, and any location where moisture or rain is present.\u003c\/p\u003e\n\u003ch5\u003eWhat is the measurement range and accuracy?\u003c\/h5\u003e\n\u003cp\u003eTemperature: -22°F to 140°F (-30°C to 60°C), ±0.9°F (±0.5°C)\u003cbr\u003eRelative Humidity: 0% to 100% RH, ±2% RH\u003cbr\u003eBarometric Pressure: 700 to 1100 hPa (mbar), ±1.5 hPa\u003cbr\u003eAll sensors are factory calibrated to NIST-traceable standards.\u003c\/p\u003e\n\u003ch5\u003eHow long does the battery last?\u003c\/h5\u003e\n\u003cp\u003eThe DROP D3 runs on a standard CR2032 coin cell battery that typically lasts 2+ years with normal use. Battery life depends on logging interval and Bluetooth connection frequency. The battery is user-replaceable.\u003c\/p\u003e\n\u003ch5\u003eHow much data can it store?\u003c\/h5\u003e\n\u003cp\u003eThe DROP D3 can store over 2,000 data points internally. When connected to the Kestrel LiNK app, data is automatically uploaded to the cloud for unlimited storage and long-term analysis.\u003c\/p\u003e\n\u003ch5\u003eCan I set custom logging intervals?\u003c\/h5\u003e\n\u003cp\u003eYes, you can customize logging intervals from 2 seconds to 12 hours using the Kestrel LiNK app. This allows you to balance data resolution with battery life and storage capacity based on your specific monitoring needs.\u003c\/p\u003e\n\u003ch5\u003eDoes it work without a smartphone nearby?\u003c\/h5\u003e\n\u003cp\u003eAbsolutely! The DROP D3 logs data independently and stores it internally. You only need your smartphone to configure settings, view real-time data, or download logged information. Perfect for remote monitoring locations.\u003c\/p\u003e\n\u003ch5\u003eCan I set alerts and notifications?\u003c\/h5\u003e\n\u003cp\u003eYes, the Kestrel LiNK app allows you to set custom high\/low threshold alerts for temperature, humidity, and pressure. You'll receive push notifications when conditions exceed your specified limits—ideal for monitoring storage conditions, greenhouses, or weather changes.\u003c\/p\u003e\n\u003ch5\u003eWhat applications is the D3 best suited for?\u003c\/h5\u003e\n\u003cp\u003eThe D3 is perfect for weather monitoring, HVAC system verification, storage facility monitoring, greenhouse climate control, wine cellar management, museum and archive preservation, agricultural monitoring, and any application requiring complete atmospheric data.\u003c\/p\u003e\n\u003ch5\u003eCan I use multiple DROP units together?\u003c\/h5\u003e\n\u003cp\u003eYes, you can monitor multiple DROP data loggers simultaneously through the Kestrel LiNK app. This is perfect for comparing conditions across different rooms, monitoring multiple storage areas, or tracking microclimates in different locations.\u003c\/p\u003e\n\u003ch5\u003eWhat's included in the box?\u003c\/h5\u003e\n\u003cp\u003eEach DROP D3 includes the data logger unit, CR2032 battery (pre-installed), quick start guide, and access to the free Kestrel LiNK app with cloud storage.\u003c\/p\u003e\n\u003ch5\u003eIs there a subscription fee for the app or cloud storage?\u003c\/h5\u003e\n\u003cp\u003eNo! The Kestrel LiNK app and cloud data storage are completely free with no subscription fees or hidden costs. All features are included at no additional charge.\u003c\/p\u003e\n\u003ch5\u003eCan I export my data?\u003c\/h5\u003e\n\u003cp\u003eYes, the Kestrel LiNK app allows you to export data in CSV format for analysis in Excel, Google Sheets, or other data analysis software. Perfect for creating reports, tracking trends, or compliance documentation.\u003c\/p\u003e\n\u003ch5\u003eHow does barometric pressure help with weather monitoring?\u003c\/h5\u003e\n\u003cp\u003eBarometric pressure is a key indicator of weather changes. Rising pressure typically indicates improving weather, while falling pressure often signals approaching storms or precipitation. The D3's pressure readings help you track and predict local weather patterns.\u003c\/p\u003e\n\u003ch5\u003eCan the D3 be used outdoors year-round?\u003c\/h5\u003e\n\u003cp\u003eYes! The D3's waterproof construction and wide operating temperature range (-22°F to 140°F) make it suitable for year-round outdoor deployment in virtually any climate. It's built to withstand rain, snow, humidity, and temperature extremes.\u003c\/p\u003e\n\u003ch5\u003eHow accurate is the pressure sensor for altitude changes?\u003c\/h5\u003e\n\u003cp\u003eThe D3's barometric pressure sensor (±1.5 hPa accuracy) can detect altitude changes of approximately 40-50 feet. This makes it useful for tracking elevation changes during hiking, monitoring pressure trends, or verifying HVAC system pressurization.\u003c\/p\u003e\n\u003ch5\u003eCan I mount the D3 in a specific location?\u003c\/h5\u003e\n\u003cp\u003eYes! The compact, lightweight design makes it easy to place the D3 anywhere you need monitoring. You can set it on a shelf, mount it with adhesive, hang it, or place it in a weather station enclosure for permanent outdoor installation.\u003c\/p\u003e\n\u003ch5\u003eIs the D3 suitable for professional or commercial use?\u003c\/h5\u003e\n\u003cp\u003eAbsolutely! The DROP D3 meets professional standards and is used by meteorologists, HVAC technicians, facility managers, researchers, and commercial operations that require accurate, reliable environmental monitoring with documented data logging.\u003c\/p\u003e","brand":"Kestrel","offers":[{"title":"Blue","offer_id":1162077020,"sku":"0730BLU","price":139.0,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":1162077024,"sku":"0730RED","price":139.0,"currency_code":"USD","in_stock":true},{"title":"Tan","offer_id":1162077032,"sku":"0730TAN","price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0344\/1457\/products\/kestrel-drop-d3-bluetooth-data-logger-temperature-humidity-pressurered0730redextrememeterscom-737655.jpg?v=1685902570"},{"product_id":"kestrel-5500-weather-environmental-meter","title":"Kestrel 5500 Pocket Weather Meter \/ Station","description":"\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cspan\u003eKestrel 5500 Weather Meter\u003c\/span\u003e\u003cspan\u003e is a professional-grade handheld weather instrument designed to provide accurate, reliable environmental information wherever you need it. Compact, rugged, and easy to use, the Kestrel 5500 combines a wide range of weather measurements in one durable instrument, making it an excellent choice for outdoor professionals, hunters, hikers, campers, weather enthusiasts, and anyone who needs dependable weather data in the field.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0344\/1457\/files\/BD86D905-0B3B-4792-AFC2-9A7D779F153A_240x240.jpg?v=1789141875\" style=\"margin: 15px 15px 15px 15px;float: left;\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eThe Kestrel 5500 measures \u003c\/span\u003e\u003cspan\u003ewind speed, temperature, relative humidity, barometric pressure, and altitude\u003c\/span\u003e\u003cspan\u003e, while calculating important environmental conditions including \u003c\/span\u003e\u003cspan\u003eheat index, dew point, wind chill, wet bulb temperature, density altitude, and more\u003c\/span\u003e\u003cspan\u003e. With these measurements available in a single handheld meter, you can quickly monitor changing conditions without carrying multiple instruments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBuilt for demanding outdoor environments, the Kestrel 5500 features a \u003c\/span\u003e\u003cspan\u003erugged, waterproof, and drop-tested design\u003c\/span\u003e\u003cspan\u003e. Its large, easy-to-read display and intuitive controls make it simple to access measurements and navigate through stored data. A built-in backlight provides improved visibility in low-light conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Kestrel 5500 also features \u003c\/span\u003e\u003cspan\u003edata logging and trend information\u003c\/span\u003e\u003cspan\u003e, allowing you to monitor changing environmental conditions over time. Minimum, maximum, and average readings can be stored and recalled, making it useful for both real-time weather monitoring and reviewing conditions after field activities.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Kestrel","offers":[{"title":"Yellow \/ Standard Non-LiNK","offer_id":8148904709,"sku":"0855YEL","price":379.0,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ Bluetooth LiNK Enabled + Vane Mount","offer_id":8148820101,"sku":"0855LVYEL","price":449.0,"currency_code":"USD","in_stock":true},{"title":"Olive Drab \/ Standard Non-LiNK","offer_id":8148904965,"sku":"0855OLV","price":379.0,"currency_code":"USD","in_stock":true},{"title":"Olive Drab \/ Bluetooth LiNK Enabled + Vane Mount","offer_id":8148904901,"sku":"0855LVOLV","price":449.0,"currency_code":"USD","in_stock":true},{"title":"Desert Tan \/ Standard Non-LiNK","offer_id":8148904837,"sku":"0855TAN","price":379.0,"currency_code":"USD","in_stock":true},{"title":"Desert Tan \/ Bluetooth LiNK Enabled + Vane Mount","offer_id":8148904773,"sku":"0855LVTAN","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0344\/1457\/products\/kestrel-5500-weather-metertanwith-link-vane-mount-case0855lvtanextrememeterscom-871259.jpg?v=1685902582"},{"product_id":"kestrel-drop-d2hs-heat-stress-monitor","title":"Kestrel DROP D2HS Heat Stress Monitor","description":"\u003ch5\u003eEasily monitor temperature and humidity in any environment with the Kestrel DROP D2HS Heat Stress Monitor. This device is both small and durable.\u003c\/h5\u003e\n\u003cp\u003eThe Kestrel DROP D2 data logger can be placed wherever needed to log temperature and humidity with the data logs retrieved wirelessly and automatically to the Kestrel LiNK app when within wireless range(up to 100’ or more line of sight).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe EASIEST way to monitor and track temperature, humidity, heat index and dew point in almost any environment – wet or dry, indoors or out\u003c\/li\u003e\n\u003cli\u003eView data wirelessly via Bluetooth Smart on your iOS or Android phone or tablet with the free Kestrel LiNK app \u003c\/li\u003e\n\u003cli\u003eStore thousands of data points and get months of logging on a single coin-cell battery - customize logging rate, connections and alerts\u003c\/li\u003e\nSee, save and share data from multiple DROPs with just one phone or tablet -\n\u003cul\u003e\n\u003cli\u003eiOS 6 installed iPhone 4s, iPad 3rd generation or later\u003c\/li\u003e\n\u003cli\u003eAndroid 4.3 and higher. Works with most Android devices with Bluetooth Smart®, including Samsung Galaxy, Nexus 4, Motorola Droid and other recent generation phones and tablets. \u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch6\u003eUse a DROP Anywhere - Small, Accurate, Rugged and Waterproof\u003c\/h6\u003e\n\u003cp\u003eEach DROP measures just 1 x 1.8 x 2.4 inches (24 x 46 mm x 60 mm) and weighs just 1.2 ounces (34 grams).  DROP loggers meet military and international standards for water, dust and shock resistance (IP-67 and MIL-STD-810G) and are conveniently equipped with a sturdy d-ring for hanging wherever needed.\u003c\/p\u003e\n\u003ch6\u003eFree Kestrel LiNK App:\u003c\/h6\u003e\n\u003cp\u003eDownload the free Kestrel LiNK to your smartphone. With Kestrel LiNK on your smart phone or tablet, you can view real-time readings from any DROP logger within wireless range (up to 100’ or more line of sight) via Bluetooth Low Energy.  Each phone or tablet can connect to up to 8 DROP loggers at the same time and store data logs from many more. Min\/Max\/Average readings are clearly displayed and the data log is viewable as a scrolling graph with detailed data for each logged point. The Kestrel LiNK app also allows adjustment of the logging interval and other settings as well as real-time threshold alerts. Readings can be updated as frequently as every 2 seconds and logging time and date are automatically updated whenever connected to your smart device. You can also send and share real-time and logged environmental data via email, Facebook or Twitter.\u003c\/p\u003e\n\u003ch6\u003eRequirements:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eiOS 6 installed iPhone 4s, iPad 3rd generation, iPod Touch 5th generation and above.\u003c\/li\u003e\n\u003cli\u003eAndroid 4.2 and higher. Works with most Android devices with Bluetooth® low energy, including Samsung Galaxy, Nexus 4, Motorola Droid, and other recent generation phones and tablets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eFeatures:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eBluetooth Smart (Wireless Technology)\u003c\/li\u003e\n\u003cli\u003eData Logger\u003c\/li\u003e\n\u003cli\u003eDrop-Tested, MIL-STD-810G\u003c\/li\u003e\n\u003cli\u003eIP67 Waterproof\u003c\/li\u003e\n\u003cli\u003eLightweight \u0026amp; Durable\u003c\/li\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eWho's Using the Kestrel DROP D2HS Heat Stress Monitor?\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eEducation \u0026amp; Classroom Use\u003c\/li\u003e\n\u003cli\u003eFacilities Management\u003c\/li\u003e\n\u003cli\u003eFarming \u0026amp; Agriculture\u003c\/li\u003e\n\u003cli\u003eFirefighting\u003c\/li\u003e\n\u003cli\u003eHazardous Materials Response\u003c\/li\u003e\n\u003cli\u003eHunting\u003c\/li\u003e\n\u003cli\u003eIndividual At-Home Use\u003c\/li\u003e\n\u003cli\u003eMilitary\u003c\/li\u003e\n\u003cli\u003eOutdoor Event Organizers\u003c\/li\u003e\n\u003cli\u003ePrecision \u0026amp; Competitive Shooting\u003c\/li\u003e\n\u003cli\u003eResearch \u0026amp; Technology\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kestrel","offers":[{"title":"Default Title","offer_id":24739379141,"sku":"0720ORA","price":109.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0344\/1457\/products\/kestrel-drop-d2hs-heat-stress-monitor0720oraextrememeterscom-255309.jpg?v=1685902558"},{"product_id":"kestrel-drop-d3-ballistics-bluetooth-data-logger-temperature-humidity-pressure","title":"Kestrel DROP D3 Bluetooth Ballistics","description":"\u003ch4\u003eProduct Overview\u003c\/h4\u003e\n\u003cp\u003eThe Kestrel DROP D3 Bluetooth Ballistics Data Logger is a professional-grade environmental monitoring solution designed specifically for shooters and ballistics applications. It measures and logs temperature, relative humidity, and barometric pressure—the three critical environmental factors that affect bullet trajectory and accuracy.\u003c\/p\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003ch5\u003eWhat does the Kestrel DROP D3 measure?\u003c\/h5\u003e\n\u003cp\u003eThe DROP D3 measures three essential environmental parameters: temperature, relative humidity, and barometric pressure. These measurements are critical for long-range shooting, ballistics calculations, and precision marksmanship.\u003c\/p\u003e\n\u003ch5\u003eHow does the D3 help with ballistics and shooting?\u003c\/h5\u003e\n\u003cp\u003eThe D3 provides real-time environmental data that directly affects bullet trajectory. By logging temperature, humidity, and pressure, you can make accurate ballistic corrections for long-range shots. The data integrates seamlessly with popular ballistics apps like Applied Ballistics, Strelok, and Shooter.\u003c\/p\u003e\n\u003ch5\u003eWhich ballistics apps work with the DROP D3?\u003c\/h5\u003e\n\u003cp\u003eThe DROP D3 is compatible with most major ballistics apps including Applied Ballistics, Strelok Pro, Shooter, Ballistic AE, and many others. The Kestrel LiNK app can share environmental data directly with these applications via Bluetooth.\u003c\/p\u003e\n\u003ch5\u003eHow do I connect the DROP D3 to my device?\u003c\/h5\u003e\n\u003cp\u003eDownload the free Kestrel LiNK app (iOS or Android), enable Bluetooth, and follow the in-app pairing instructions. The DROP D3 connects wirelessly up to 100 feet away and can share data with compatible ballistics apps.\u003c\/p\u003e\n\u003ch5\u003eWhat's the difference between the D2 and D3 models?\u003c\/h5\u003e\n\u003cp\u003eThe D2 measures temperature and humidity only. The D3 adds barometric pressure measurement, making it specifically designed for ballistics applications where atmospheric pressure significantly affects bullet trajectory. If you're a shooter or need pressure data, the D3 is the right choice.\u003c\/p\u003e\n\u003ch5\u003eIs the DROP D3 waterproof?\u003c\/h5\u003e\n\u003cp\u003eYes! The DROP D3 is fully waterproof (IP67 rated) and floats, making it perfect for outdoor shooting ranges, hunting trips, and field use in any weather conditions.\u003c\/p\u003e\n\u003ch5\u003eWhat is the measurement range and accuracy?\u003c\/h5\u003e\n\u003cp\u003eTemperature: -22°F to 140°F (-30°C to 60°C), ±0.9°F (±0.5°C)\u003cbr\u003eRelative Humidity: 0% to 100% RH, ±2% RH\u003cbr\u003eBarometric Pressure: 700 to 1100 hPa (mbar), ±1.5 hPa\u003cbr\u003eAll sensors are factory calibrated to professional standards.\u003c\/p\u003e\n\u003ch5\u003eHow long does the battery last?\u003c\/h5\u003e\n\u003cp\u003eThe DROP D3 runs on a standard CR2032 coin cell battery that typically lasts 2+ years with normal use. Battery life varies based on logging interval and Bluetooth connection frequency.\u003c\/p\u003e\n\u003ch5\u003eCan I mount the D3 at my shooting position?\u003c\/h5\u003e\n\u003cp\u003eAbsolutely! The compact, lightweight design makes it easy to place the D3 at your shooting position, on a tripod, or anywhere you need accurate environmental readings. Its small size won't interfere with your setup.\u003c\/p\u003e\n\u003ch5\u003eHow much data can it store?\u003c\/h5\u003e\n\u003cp\u003eThe DROP D3 stores over 2,000 data points internally. When connected to the Kestrel LiNK app, data automatically uploads to the cloud for unlimited storage and historical analysis.\u003c\/p\u003e\n\u003ch5\u003eCan I set custom logging intervals?\u003c\/h5\u003e\n\u003cp\u003eYes, you can customize logging intervals from 2 seconds to 12 hours using the Kestrel LiNK app. For shooting applications, shorter intervals capture rapid environmental changes during competition or practice sessions.\u003c\/p\u003e\n\u003ch5\u003eDoes it work without my phone nearby?\u003c\/h5\u003e\n\u003cp\u003eYes! The DROP D3 logs data independently and stores it internally. You only need your smartphone to configure settings, view real-time data, download logs, or share data with ballistics apps.\u003c\/p\u003e\n\u003ch5\u003eCan I set alerts for changing conditions?\u003c\/h5\u003e\n\u003cp\u003eYes, the Kestrel LiNK app allows you to set custom high\/low threshold alerts for temperature, humidity, and pressure. You'll receive push notifications when conditions change beyond your specified limits—helpful for tracking weather fronts or temperature swings.\u003c\/p\u003e\n\u003ch5\u003eCan I use multiple DROP units simultaneously?\u003c\/h5\u003e\n\u003cp\u003eYes, you can monitor multiple DROP data loggers at once through the Kestrel LiNK app. This is useful for comparing conditions at different shooting positions or monitoring multiple locations.\u003c\/p\u003e\n\u003ch5\u003eWhat's included in the box?\u003c\/h5\u003e\n\u003cp\u003eEach DROP D3 includes the data logger unit, CR2032 battery (pre-installed), quick start guide, and access to the free Kestrel LiNK app with cloud storage.\u003c\/p\u003e\n\u003ch5\u003eIs there a subscription fee?\u003c\/h5\u003e\n\u003cp\u003eNo! The Kestrel LiNK app and cloud data storage are completely free with no subscription fees or hidden costs.\u003c\/p\u003e\n\u003ch5\u003eCan I export my data?\u003c\/h5\u003e\n\u003cp\u003eYes, the Kestrel LiNK app allows you to export data in CSV format for analysis in Excel or other software. This is perfect for tracking environmental trends at your shooting range or documenting conditions during competitions.\u003c\/p\u003e\n\u003ch5\u003eHow does barometric pressure affect shooting?\u003c\/h5\u003e\n\u003cp\u003eBarometric pressure affects air density, which directly impacts bullet drag and trajectory. Lower pressure (higher altitude or weather systems) means less air resistance and higher bullet impact. The D3's pressure readings help you make precise corrections for these conditions.\u003c\/p\u003e\n\u003ch5\u003eIs the D3 suitable for professional use?\u003c\/h5\u003e\n\u003cp\u003eAbsolutely! The DROP D3 meets professional standards and is used by competitive shooters, military personnel, law enforcement, and serious long-range enthusiasts who demand accurate environmental data for precision shooting.\u003c\/p\u003e","brand":"Kestrel","offers":[{"title":"Default Title","offer_id":39261303275685,"sku":"0730TAN","price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0344\/1457\/products\/kestrel-drop-d3-ballistics-bluetooth-data-logger-temperature-humidity-pressuretan0730tanextrememeterscom-293686.jpg?v=1685902559"}],"url":"https:\/\/www.extrememeters.com\/en-kr\/collections\/kestrels-for-military-law.oembed","provider":"Extreme Meters LLC.","version":"1.0","type":"link"}