or salt from your fingers can increase the electrical resistance of
the connection.
i. Arrange the leads so that they will not touch the clapper (see
figure 8).
j. Align and adjust the probe and stir/freeze wire as instructed in
items 5 and 6, reset the probe bin number as instructed in item 7
and recalibrate as instructed in Chapter 4.
5. Probe and Stir/Freeze Wire Alignment
Proper alignment and adjustment of the probe and stir/freeze wire
are of utmost importance to assure accuracy, precision and proper
operation of the instrument.
The probe bead must be exactly centered in the sample and the stir/
freeze wire must also be properly positioned for optimum perfor-
mance. To facilitate positioning the probe and stir/freeze wire, a
probe alignment tool is included with the instrument and with each
replacement sample probe.
70
The Advanced
®
Model 4C3 User’s Guide
Figure 10: End View - Tube Gripper, Mandrel,
Probe, Stir/Freeze Wire, and Alignment Tool
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