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Do you need help? Go to see our FAQ section. To learn about thermometers and temperature measurement in more depth visit the ETI Learning Centre.

Thermometry Concepts: Thermometer Recording Features

One of the most valuable features of today's thermometers is the ability to view, record and manipulate the measurements that you take. Here are a few advanced features included in some of our more dynamic thermometers:


• Recording maximum and minimum - Max/Min - temperatures is a very helpful feature, particularly when trying to determine if a target has been kept within designated temperature boundaries over an extended period of time - as with data logging. Thermometers with Max/Min functionality display the highest and lowest temperatures encountered. Some mechanical thermometers do this with physical markers that get pushed up or down over time, but Max/Min is more common with electronic instruments. *Note that electronic instruments with Max/Min often do not have auto-off feature since turning an instrument off resets its Max/Min recordings.

Hold is a feature that allows you to freeze a displayed measurement (usually a digital reading) for later consultation.

• Differential Recordings  - Diff - display the product of subtracting the minimum temperature encountered from the maximum temperature encountered, showing the range of deviation over a span of time.

• Average temperature recordings - Avg - simply averages all the measurements encountered over a span of time.

• High and Low Alarms - Hi/Lo - alert you by blinking, beeping or even sending you an email or text message when a measurement has gone above or below a certain preset temperature.

Auto-off is a feature that shuts the instrument off after a specified amount of time to protect long-term battery life. Some units also come with the ability to disable this feature for more extended measurements