electric current

Will an electrical current between contacts damage the LogTag?

Will a zap of static electricity affect the logger?

Robust protection against everyday electrical interference

The electrical contacts on the LogTag are thoughtfully engineered to remain isolated from its core internal circuitry. This means that accidental exposure to electrostatic discharge—such as a minor zap from handling or nearby electronic devices—will not affect the integrity or functionality of the unit.

However, it’s important to note that this protective design has its limits. If mains power (ranging from 100 to 240 volts AC) or high-voltage DC (typically 12 to 24 volts) is intentionally applied to the LogTag’s contacts, it will exceed the device’s design thresholds and cause irreversible damage. This type of voltage is vastly higher than what the device is rated to handle and can compromise internal components permanently.

Best practice tip Always use the LogTag within its specified operating parameters and avoid connecting it to any power sources unless explicitly required by its documentation. If you’re unsure, refer to the user guide or reach out for support before connecting unfamiliar equipment.

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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