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Minnow USB Loggers

Compact and easy-to-use temperature loggers

Buy Minnow Temperature
Buy Minnow Temperature and Humidity
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Temperature and Humidity Measurement

The Minnow offers accurate and repeatable logging for temperature and relative humidity. Temperature is measured to an accuracy of +/–0.3C over the range +5C to +60C and +/–2.0C over the full range –30C to +80C. Relative humidity is measured to an accuracy of +/–2.0% over 20% to 80% humidity range and +/–4.0% over 0% to 100%. Both temperature and relative humidity are logged at a user configurable logging rate which can be set in a PC application program.

USB Direct

The minnow has a USB Micro-B connector allowing it to be quickly connected to any PC with an industry standard USB Micro-B cable (supplied). There is no requirement for an additional reader. This makes the minnow temperature logger very cost effective for people who only require a few temperature loggers.


When you would like to guarantee that items are transported within particular environmental limits then one can also set operating ranges above or below which light indicators will be activated so that the user can become aware that the desired transportation conditions have been exceeded.

Logging Storage

The Minnow logger is equipped with the largest logging memory when compared with comparable portable logging devices currently available. The Minnow logger has provision for an impressive 65520 storage items each of which is a time-stamped recording of temperature and humidity.

Long Battery Life

The Minnow logger runs from a single CR2450 coin cell better available from supermarkets or online battery stores over the internet. The logger can log temperature and relative humidity for up to 4 years.

Simple to use PC Application

The Minnow logger comes with a very easy to use PC application. The application is used for configuration of the logger, extraction of logger data, graphically viewing of logging data, spread sheet analysis of logging data and saving of logging data to file (typically in comma separated value CSV file format) for third party applications such as Microsoft Excel. The graphical user interface is intuitive in terms of configuring new devices and extracting logging data from a field device. The application does not require any driver installations to connect to your logging device. Just download the program from our home page, run it and then plug in you device.


Buy Minnow – Temperature Only

Buy Minnow – Temperature and Humidity