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Over 15 Years of Supplying Top Quality Instruments
Over 15 Years of Supplying Top Quality Instruments

Kestrel DROP D3 Bluetooth Data Logger - Temperature | Humidity | Pressure

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Original price $149.00 USD
Current price $129.00 USD
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Color: Blue

A Kestrel DROP is the world’s easiest-to-use rugged environmental data logger.

Monitor and record the conditions of any environment and easily access and chart real-time and historical data on your phone or tablet. A Kestrel DROP D3 logger can be placed wherever needed to log temperature, humidity and pressure with the data logs retrieved wirelessly and automatically to the Kestrel Connect app when within range(up to 100ft.). Kestrel DROP data loggers are designed to be used anywhere you need to track environmental conditions. DROP loggers meet military and international standards for water, dust and shock resistance (IP-67-30 minute submersion at 1m and MIL-STD-810G drop tested) and are equipped with a sturdy D-ring for hanging wherever needed.

Measures & Records:

  • Temperature
  • Relative Humidity
  • Station Pressure
  • Density Altitude
  • Pressure Trend
  • Heat Stress
  • Dew Point

All you need is a DROP and a Smartphone with the free Kestrel LiNK app!

Kestrel LiNK is the free app that powers the DROP loggers. With Kestrel Connect, you can view real-time readings from any DROP logger within wireless range (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 log is viewable as a scrolling graph with detailed data for each logged point. The 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. Send and share real-time and logged environmental data via email, Facebook or Twitter.


  • iOS 6 installed iPhone 4s, iPad 3rd generation, iPod Touch 5th generation and above.
  • Android 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.


Ask a Question
  • How many kestrel drops can I connect to one iOS device? I.E. I have four rooms I want to monitor, can I have a separate drop for each room? Will they interfere with each other?

    A single phone or tablet can connect to up to 8 DROP loggers concurrently and store data logs from many more.

  • Is it possible to get the log data into a file to use in a spreadsheet?

    Hi, Yes the DROPS will log data. Once the data is wirelessly transmitted to a smartphone using the Kestrel LiNK app, with just a click of a button, you can create a CSV file and email it to yourself or a coworker. This file can be opened by spreadsheet programs.