7 Maintenance and Calibration
50 Minilab man-CH-PVF-C-V17-2
7.3 Calibration
The devices supplied by technical service of Simpson Technologies
are calibrated before delivery. Therefore, calibration during the initial
commissioning is not absolutely necessary.
1. The correct function of the Minilab can be checked with the
menu "Calibration."
2. Select the main screen “Options” with the function key, F2
(see Figure 6.1).
3. Select “Calibration.”
4. The displacement should be indicated as -30.0mm. A
difference of +0.2mm is allowable.
5. A force of 0N should be indicated. A difference of ± 100N is
allowable because the start value is accounted for with each
measurement and subtracted at the end of the measuring
process.
6. The preset value is 52.0mm and must not be altered for
standard test specimens.
7. Place a 50mm tall Calibration Insert with the Pedestal (Figure
8.1, Item 14) under the Piston.
Ensure that the Piston presses the Calibration Insert with
a force of approximately 2000 N when the operating
pressure is set to 2.5 bar. If you are not certain that the
calibration insert can support this pressure, reduce the
operating pressure on the Pressure Regulator (Figure 8.2,
Item 3).
8. Press the "Measurement" Button (Figure 8.1, Item 1). The
Piston now extends downwards against the calibration insert.
A "path" of 50.0 mm (± 0.1mm) must be indicated on the
display.
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