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3.2.2 Choice of insertion tube
Caution…
Before using new insertion tubes for calibration, the
insertion tubes must be heated up to maximum temperature
- 250°C (482°F) / 320°C (608°F) / 650°C (1202°F) - for a
period of minimum 30 minutes.
In order to ensure the best calibration of your sensors
please avoid using insertion tubes in the ATC-320
calibrator, which have been used in the ATC-650 calibrator.
Insertion tubes are selected on the basis of the diameter of the sensor
to be calibrated.
Use the table for insertion tubes in chapter 9.0 to find the correct part
number.
Alternatively, you may order an undrilled insertion tube and drill the
required hole yourself. The finished dimensions should be as follows:
Sensor diameter +0.2
+0.05/-0 mm.
In order to get optimum results and preventing ice from building up in
the well of the cooling calibrators, a proper sized insulation plug must
be placed over the well during the calibration process.
The holes in the plug must have a tight fit and unused holes must be
covered using e.g. EPDM plugs (spare part no. 126280).
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