LogTag Data Loggers

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LogTag for Fridges and Freezers

LogTags for Fridges and Freezers

More options than ever to protect your temperature sensitive stock

LogTag temperature loggers are the perfect solution to ensure the safety and integrity of your temperature-sensitive products. Explore the range of reliable and easy-to-use loggers designed to monitor temperatures in fridges and freezers.

Whether you work in the medical/veterinary field, in hospitality, agriculture or science, there is a LogTag suited to monitoring your fridges and freezers.

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Factors to consider when choosing a logger

Temperature range

Standard LogTags are specifically designed for fridges and freezers. They have a temperature range that goes from around -30°C up to around 60°C (slightly different specs on some models), which means that food and medical fridges, and standard freezers are right in their sweet spot.

To USB or not to USB?

Some LogTags have a USB plug or port that allows them to be connected directly to a computer. Others need to be plugged into a separate LogTag reader that is connected to the computer. The USB ones tend to be slightly more expensive, but if you only need a small number, then not having to buy a reader makes them better value.

So, if you only have a small number of fridges/freezers, and you don’t already have a LogTag reader, then USB loggers are probably the go.

Some USB models...

Quick and easy logging in any situation. Ideal for shipping, food fridges and freezers, and medical fridges. No Reader required.
LogTag UTRIX-16

LogTag Temperature Logger with USB Plug (UTRIX‑16)

$108.90 incl. GST

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Records temperature from -90°C to +40°C. The probe is placed in the super cold environment, while the logger itself stays outside. See the temperature at a glance on the LCD screen. The USB ports means that no separate reader is required - just insert it straight into your PC to download the data. Probe not included.
UTREL-16F

LogTag Ultra‑Low Temperature Logger with USB – Probe Input (UTREL‑16F)

$152.90 incl. GST

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All the features you are looking for. The Premium USB logger has a USB plug, LCD temperature display, and a replaceable battery. Ideal for vaccine fridges, hospitality and shipping.
LogTag UTRID-16

LogTag Temperature Logger with USB Plug (UTRID‑16)

$174.90 incl. GST

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Uses a standard LogTag external probe to read temperatures (not included). Features an LCD display so you can see both the current temperature and historical min and max temperatures. No separate Reader required.
TRED30-16U

LogTag Temperature Logger with USB Port – Probe Input (TRED30‑16U)

$174.90 incl. GST

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The UHADO-16 logger is ideal for recording temperature and humidity in chemical or drug storerooms, server rooms, greenhouses and any other place where humidity is important. This logger can be connected directly to a PC using a USB cable or a LogTag Reader.
LogTag UHAD-16

LogTag Temperature and Humidity Logger with USB Port (UHADO‑16)

$240.90 incl. GST

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Which LogTag is right for you?

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Latency explained

What is latency?

Latency, when it comes to temperature logging, refers to the delay between a change in temperature and when that change is detected and recorded by the logger. This delay can be due to the sensor’s design, the materials it’s placed in, or the logging interval. While it might sound like a disadvantage, latency can actually serve a useful purpose in certain environments—particularly where short-term temperature spikes are common but not harmful.

For example, in a busy commercial fridge, the temperature may briefly rise every time the door is opened. A logger with high latency won’t immediately react to these short fluctuations, helping to avoid unnecessary alarms or false data indicating a problem when there isn’t one. In these cases, a slight delay in response acts like a filter, focusing attention on real issues—such as prolonged exposure to unsafe temperatures—while ignoring the everyday ups and downs that don’t affect product quality or safety.

Differrnt connections

Connecting your logger

Depending on the type of logger you have, connecting your logger to your PC means either:

  • inserting into the Reader,
  • plugging it into a USB port, or
  • connecting it via a USB cable.
comparing gen1 and gen 2

What's so good about USB?

First Generation LogTags use a separate Reader (sometimes called a dock) for configuration and for downloading recorded data. 

The Second Generation loggers only require a USB port or cable. Apart from saving the cost of the Reader, this makes them much better suited for shipping, because the recipient doesn’t need a LogTag Reader to download a report about the shipment’s journey.

comparing gen1 and gen 2