Onset HOBO® Bluetooth Tidbit External Temperature Data Logger

The Onset HOBO MX2205, part of the TidbiT series of loggers, is designed to record temperatures in underwater or wet environments. The MX2205 builds on the standard Tidbit MX logger by adding an external sensor, allowing the logger to be deployed just above the water or soil surface, making it very convenient for downloading via the wireless Bluetooth connection. It is perfect for monitoring water temperature in streams, lakes, and wetlands, as well as monitoring soil temperature in fields prone to flooding. Recorded readings are stored on the device until the data logger connects to the HOBOconnect app via Bluetooth (BLE) or Windows HOBOware software program.

The MX2205 offers several key features for temperature measurements in outdoor and underwater environments. It has both an internal and external sensor, providing a wide range of temperature measurement capabilities. The internal sensor measures temperatures in the -20°C to 70°C range, while the external sensor can measure temperatures from -40°C to 100°C. This makes the MX2205 suitable for a variety of applications, from monitoring water temperatures to tracking soil conditions.

One of the standout features of the MX2205 is its wireless transmission capabilities. The device can wirelessly transmit recorded readings to a phone or tablet using Bluetooth Smart LE (low energy) communications, eliminating the need for physical connections. This feature enhances the convenience and versatility of the MX2205, allowing users to access the data remotely and download it without having to physically retrieve the device.

In terms of durability and reliability, the MX2205 is designed to withstand the challenges of outdoor and underwater environments. It is waterproof up to 100 meters (30.5 feet), making it suitable for use in a variety of aquatic settings. Additionally, the device is equipped with a non-replaceable lithium battery with a typical life of 3 years, even when sampling at a rate of 1 minute.

One of the key advantages of the MX2205 is its data storage capabilities. The device can store up to 96,000 measured readings with date and time stamps, ensuring that data is not lost even if Bluetooth communications are not available. This feature provides a reliable backup option and allows users to retrieve the data at a later time when necessary.

Overall, the Onset HOBO MX2205 is a versatile and reliable temperature logging solution designed for use in outdoor and underwater environments. Its combination of internal and external sensors, wireless transmission capabilities, and robust construction make it a valuable tool for a wide range of temperature monitoring applications, from water temperature tracking to soil condition monitoring.

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