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The following routine must be observed before the insertion tube is
removed and the instrument switched off:
Over 100°C/212°F
If the calibrator has been heated up to temperatures above
100°C/212°F, you must wait until the instrument reaches a
temperature below 100°C/212°F before you switch it off.
Below 0°C/32°F (applies only to the ITC-155 A models)
If the calibrator has reached a temperature below 0°C/32°F,
ice crystals may form on the insertion tube and the well.
This, in turn, may cause verdigris to form on the material.
To prevent this from happening, simply heat up the
calibrator to 50°C/122°F.
Remove the insertion tube from the calibrator using the tool for
insertion tube supplied with the instrument as shown in Fig. 9.
Caution…
• The insertion tube must always be removed from the
calibrator after use.
The humidity in the air may cause verdigris to form on the
insertion tube inside the instrument. There is a risk that
the insertion tube may become stuck if this is allowed to
happen.
• The insertion tube must be removed to avoid damage to
the instrument if the calibrator is to be transported long
distances.
Warning
Never leave hot insertion tubes which have been removed
from the calibrator unsupervised – they may constitute a fire
hazard.
If you intend to store the calibrator in the optional aluminium
carrying case after use, you must ensure that the instrument
has cooled to a temperature below 100°C/212°F before
placing it in the carrying case.
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