A Maximum Minimum Temperature System or MMTS is a temperature recording system that keeps track of the maximum and minimum temperatures that have occurred over some given time period. The earliest, and still perhaps most familiar, form is the

Maximum minimum thermometer Six's maximum and minimum thermometer is a registering thermometer that can record the maximum and minimum temperatures reached over a period of time, for example 24 hours. It is used to record the extremes of temperature at a location, for inst ...

invented by

James Six James Six FRS (1731 – 25 August 1793) was a British scientist born in Canterbury. He is noted for his invention, in 1780, of Six's thermometer, commonly known as the maximum- minimum thermometer. This device is still in common use today and widel ...

in 1782. Today a typical MMTS is a

thermistor A thermistor is a type of resistor whose resistance is strongly dependent on temperature, more so than in standard resistors. The word thermistor is a portmanteau of ''thermal'' and ''resistor''. Thermistors are divided based on their conduction ...

. This may be read locally or can transmit its results electronically.

References

Meteorological instrumentation and equipment Thermometers {{Meteorology-stub

See also

References