How to choose a data logger

There are many different types of data logger, so choosing a data logger that fits your requirements is essential. This article will help you find the data logger that's right for you!

When choosing a data logger, there are a few factors to take into consideration:

  • What you want your logger to measure
  • Where your logger will be situated (indoors, outdoors or underwater)
  • What type of connectivity you need (USB, radio, LAN)
  • Whether you require any specific features (e.g. probes, measurement range)

We have a handy filter tool to help you refine results and find the data logger you're looking for. Visit our data loggers page and use the filter tool to explore the data loggers that match your needs.

Measurement parameter

First, identify the loggers which can measure the parameter(s) you will be monitoring.

Data loggers in the Tinytag range measure temperature, relative humidity, CO2, energy, current, voltage and count.


Different data loggers are built for use in different environments. For example, outdoor loggers need to be rugged and weatherproof to cope with adverse conditions.

You will need to select the correct data logger depending on whether it is going to be used:


The Tinytag range offers four types of connection: USB, USB Induction, Radio and LAN.

USB data loggers are used when:

  • loggers are intended to be fixed in place for a period of time
  • information does not need to be viewed while it is being recorded

Data loggers with USB Induction technology (Tinytag Transit 2, Splash 2 and Aquatic 2) are used when:

  • there is large quantity of data loggers (enables efficient offloading)
  • monitoring underwater or in wet conditions (in the interest of waterproofing)

Radio and LAN (Ethernet) data loggers automatically send data to a computer system. They are used when:

  • data needs to be viewed immediately
  • a site has multiple monitoring points
  • alarm alerts are required

Extra features

It is also important to consider whether you have any other requirements when choosing a data logger.

Other features to look out for could include:

  • A display for on-site readings
  • Measurement range appropriate to your application
  • Probes for accessing hard-to-reach areas
  • Policy compliance
  • Alarm indicators to respond to changes

Still not sure which data logger is right for you? Contact us and let us know how we can help, or check out how other users have used Tinytag data loggers in our case studies!

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