This is Fatma from TS Company,a China manufacturer of temperature products. The portfolio of the company includes thermocouples, resistance thermometers, NTC/PTC-elements, melt pressure sensors, level controls, control instruments and control screens .


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Tolerances on Temperature Reading

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1. JIS C1602 – 1995 IEC 584-2-1982 (Amendment 1 – 1989) BS/EN 60584-2-1993 DIN/IEC 584-2-1992 Note: 1. Tolerance denotes the maximum allowable value obtained by subtracting the temperature reading or the temperature at the hot junction from the standard temperature converted from the applicable temperature EMF table. 2. Tolerance Class 1 for Type R and S only apply to the Standard or Refence thermocouple. 3. │t│denotes the value of temperature (°C) irrespective of positive (+) or negative (-) sign. 4. Tolerances listed in this page apply to the new thermocouple wires. • not standardized yet by JIS 2. Tolerance on Temperature Reading To ASTM E 230-1998, E988 – 1996 Note: The above color codes are in accordance with ASTM E 230 – 1998 Contact: thermocouplesupplier@gmail.com
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What are the different thermocouple types?

Thermocouples are available in different combinations of metals or calibrations. The four most common calibrations are J, K, T and E. Each calibration has a different temperature range and environment, although the maximum temperature varies with the diameter of the wire used in the thermocouple. How do I choose a thermocouple type? Because thermocouples measure in wide temperature ranges and can be relatively rugged,they are very often used in industry. The following criteria are used in selecting a thermocouple:Temperature range Chemical resistance of the thermocouple or sheath material Abrasion and vibration resistance Installation requirements (may need to be compatible with existing equipment; existing holes may determine probe diameter). Please contact:  thermocouplesupplier@gmail.com
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