Thermocouple Probes, Types J and Type K

Thermocouple Probes, Type J and Type K

Thermocouple Probes, Type J and Type K,for immersion, penetration (needle-tip), surface and ambient air/gas measurements.
The primary difference between Type J and Type K thermocouples is the measuring range and sensitivity. Type K is the most common general purpose thermocouple with a sensitivity of approximately 41 µV/°C. A wide variety of probes are available in its −200 ~ 1350°C / -330 ~ 2460°F range. The Type K wire color standard is yellow (+) and red (-). Type J has a narrower range than type K (−40 ~ 750°C), but higher sensitivity of about 50 µV/°C. Type J wire color standard is white (+) and red (-).  Interchangeability of the same type probe, K or J, between instrument manufacturers is limited only by the plug, with some manufacturers employing proprietary plug styles.

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