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Thermocouple Grade. – 200 to 1250°C, – 328 to 2282°F. Extension Grade. 0 to 200°C, 32 to 392°F. LIMITS OF ERROR. (whichever is greater) Standard: 2.2°C or 0.75% Above 0°C 2.2°C or 2.0% Below 0°C Special: 1.1°C or 0.4%. COMMENTS, BARE WIRE ENVIRONMENT: Clean Oxidising and Inert; Limited Use in Vacuum or Reducing; Wide Temperature ...
LIMITS OF ERROR. (whichever is greater) Standard: 2.2°C or 0.75% Above 0°C 2.2°C or 2.0% Below 0°C Special: 1.1°C or 0.4%.
International Thermocouple Reference Tables for Type K - Nickel Chromium / Nickel Aluminium to IEC60584-1 This standard is based upon the International Temperature Scale of 1990 (ITS-90). Temperatures are expressed in degrees Celsius (t 90) and the emf outputs in microvolts (µV) with the reference junction at 0ºC
• The table tells us that 25°C correspond to 0.14mV for a R-type Thermocouple (see page 10) • Measured value (with a standard voltmeter) at the 2 thermocouple wires is 8.5mV
TYPE Reference Tables N.I.S.T. Monograph 175 Revised to ITS-90 Z Revised Thermocouple Reference Tables °F0 1 234 5 6789 10 °F °F0 1 234 5 6789 10 °F + – + –
Voltage vs Temperature for Type K Thermocouples. Reference junction temperature: 0° C. Values in millivolts (mV)
REOTEMP INSTRUMENTS ITS-90 Table for Type K Thermocouple (Ref Junction Thermoelectric Voltage in mV o 017 718 1.122 1.941 2. 354 2 _768 3. 184