The delay in noting the temperatures at a specific interval resulted in the damage of contents kept in cold storage.
Room temperature data logger.
The single use instruments are mainly used to record values within a short period of time.
They had to stick to a schedule of tracking the temperature at a specific time.
Temperature data loggers are used for temperature and humidity monitoring and are above all employed in the industrial sector where temperature and humidity play a major role.
They are also used in labs and for pharmaceutical applications like vfc.
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They are typically battery powered and equipped with internal memory and have become the predominant method of monitoring in most contemporary industries having increasingly replaced the electromagnetic chart recorders that originated back in the early 19th century.
In olden times checking food storage temperature in refrigerators was done manually by people.
Data loggers are small electronic devices used to track and store location specific data via built in or external sensors.
The data logger software gives you a time date stamp for each data point which is viewable as a graph raw data file or pdf report.
The data is typically viewed using software that in most cases is available as a free download.
In this respect a distinction is made between single use instruments and long term monitoring instruments.