An electronic device that automatically records temperature over time, giving a continuous record of storage or transport conditions.
It automatically measures temperature at regular intervals and stores each reading with a time stamp, giving a continuous record of conditions in storage or transport.
Manual checks capture single moments, while a logger records continuously and can catch short temperature excursions that a twice-daily check would miss. Many also alarm when limits are breached.
No. A logger monitors storage or transport conditions, but you still need a probe thermometer to check the core temperature of the food itself.
Yes. Like any measuring device, a data logger should be checked against a known accurate reference so its records can be trusted.
Very. A logger travelling with a refrigerated load provides proof the cold chain held during transport and helps assess any temperature excursions on arrival.