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Measurement Considerations
Instrument Compatibility
The 80PK-24 is compatible with any temperature-
measuring instrument that accepts Type K thermocouples,
has a miniature thermocouple connector, and has cold
reference junction compensation. Accuracy of the
temperature-measuring instrument must be considered
along with the 80PK-24 accuracy specification to
determine the overall accuracy of the combination.
Temperature Limitations
The baffle tip of the 80PK-24 has a continuous
temperature rating of 816 °C (1500 °F). However, the
opposite end of the sheath nearest the handle should not
be subjected to temperatures greater than 125 °C
(257 °F). This is the maximum temperature limitation of
the handle.
Media Limitations
The stainless steel baffle and sheath should not be
exposed to halides or sulfides. Even though the sheath to
junction transition is sealed, it is not recommended to
immerse the probe in liquid or saturated vapor. The 80PK-
24 should not be used in reducing atmospheres or in a
vacuum.
Operation
Use the 80PK-24 as follows:
1. Use the miniature (0.312-inch spacing) thermocouple
connector to connect the 80PK-24 to a compatible
Type K temperature-measuring instrument.
2. Turn on the measuring instrument, and select the
appropriate range and scale.
3. Check the read out on the measuring instrument. With
no heat or cold source applied to the tip of the probe,
the measuring instrument should display the ambient
(room) temperature. If the instrument does not read
out properly, refer to “Troubleshooting”.
Minimizing Thermal Shunting
The 80PK-24 Air Probe should be inserted at least 6.35
cm (2.5 in) into the environment to be measured to
minimize the shunting effect of the sheath.
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