Explaination of thermocouple chart ?

mkbh_10

The Y axis represents the temperature of the measurement junction in a thermo couple chart and what does the X axis represents ?

http://www.pyromation.com/downloads/data/emfk_c.pdf. This is a chart for K type thermocouple.

Does it represent the temperature of the refernce junction , if yes then why only till 10 deg C.

mfb

Both axes are temperature: The rows are steps of 10 and the columns are steps of 1.

If you want to know the voltage at -255°C, you have to look in row "-250°C" and column "5" and get -6.425mV.

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mkbh_10	Explaination of thermocouple chart ? Tweet The Y axis represents the temperature of the measurement junction in a thermo couple chart and what does the X axis represents ? http://www.pyromation.com/downloads/data/emfk_c.pdf. This is a chart for K type thermocouple. Does it represent the temperature of the refernce junction , if yes then why only till 10 deg C.

mfb Mentor	Both axes are temperature: The rows are steps of 10 and the columns are steps of 1. If you want to know the voltage at -255°C, you have to look in row "-250°C" and column "5" and get -6.425mV.