Exergen Temporal Artery Thermometry
Calibration Verification Procedures
7. Compare CM Reference Thermometer readings to test thermometer. Refer to
instruction manual for particular model being verified. Alternately insert the CM
thermometer and the thermometer being verified into the portable blackbody calibration
verifier opening, comparing readings to the CM.
8. Accuracy Limits
: Comparison between CM and tested thermometer readings should be
within ±0.4°F (0.2°C) for acceptable field limits. If not, repeat the process. In the event
they still differ by more than the acceptable limits, call Exergen Corporation for replacement
of the failed instrument.
9. Heat Balance Awareness: TAT-5000 and TAT-5000S models employ the patented arterial
heat balance method to adjust to their surrounding ambient temperature for precise, absolute
accuracy. If left sitting on the heat well, they will assume the warmer temperature of the
well, and thus will be at a different ambient than the instrument being tested (assuming it is
at room temperature), and this could make a difference in the comparison.
10. Reminder: Comparisons between the CM and the instrument being tested should always be
conducted under the same conditions.
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