Type M thermocouple

Type M thermocouples use a nickel alloy for each wire. The positive wire (20 Alloy) contains 18% molybdenum while the negative wire (19 Alloy) contains 0.8% cobalt. These thermocouples are used in vacuum furnaces for the same reasons as with type C. Upper temperature is limited to 1400°C / 2552°F. It is less commonly used than other types.

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10/14/1932
date of birth
Larkin, Anatoly
10/14/1946
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World Standards Day

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