Exergen Temporal Artery Thermometry
Calibration Verification Procedure
Suitable for All TAT-5000 and TAT-5000S Models
All Exergen infrared thermometers are
designed to permanently maintain their
accuracy, and feature a patented
hermetically-sealed optical system which
protects the internal optical system against
contamination by dirt, dust, moisture, and
solvents.
Most reported problems are the result of a
dirty lens. As infrared thermometers take an
optical measurement, a dirty lens can result
in a low reading. Cleaning the lens will
result in an immediate return to normal
calibration.
Normally, recalibration is never required
unless the thermometer has been physically
damaged or experiences component failure.
Recalibration is done only at the factory, but calibration verification can be conveniently accomplished
with a Calibration Verification Kit in biomedical engineering, and other areas requiring frequent
accuracy verification of patient thermometry such as blood donor or pheresis units.
Calibration Verification Kit (CVK)
The CVK includes a portable blackbody heat generator providing a stable source of heat in a small
cavity. This is used as a target reference to
verify the calibration of any of Exergen’s
medical instruments against an Exergen
Certified Master (CM) reference instrument,
also included in the kit. The CM instrument
must be of the same type calibration as the units
to be tested (S/N label letters A or O need to
match). If this is not the case, please contact
Exergen.
The verifier operates with either a 9-volt power
supply plugged directly into a 90 to 264 VAC
electrical outlet allowing its extended use, or for
portable use on nursing floors, it can be
completely powered by a 9-volt battery.
Figure 1. Portable black body is used to verify the
calibration of any TAT-5000 or TAT-5000S vs. a Certified
Master, by comparison of readings.
Figure 2. Model PBB-1 Portable Blackbody
Calibration Verifier
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