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marked with a dot on the rim to indicate the placement of the DLC hole,
and the insulation plugs are marked with the letter D (RTC-
156/157/158/159/250 A/B/C only). See fig. 3.
Fig. 3
Caution…
The well and the insertion tube must be clean before
use.
Scratches and other damage to the insertion tubes
should be avoided by storing the insertion tubes
carefully when not in use.
The insertion tube must never be forced into the well.
The well could be damaged as a result, and the
insertion tube may get stuck.
Caution – Hot surface
Do not touch the grid plate, the well or the insertion
tube while the calibrator is heating up – they may be
very hot and cause burns.
Do not touch the tip of the sensor when it is removed
from the insertion tube – it may be very hot and cause
Dot indicating placement
of the DLC hole
D indicating placement
of the DLC hole
Insulation plug
Insertion tube