Calibration Conditions; When Is Calibration Required; Prerequisites - GOM ATOS II Triple Scan User Manual

Sensor Calibration
9.2

Calibration Conditions

9.2.1

When is Calibration Required?

• Before starting measurements for the first time, the respective
ATOS measuring volume needs to be calibrated.
• Also, if the adjustment of the camera lenses or the position of the
cameras with respect to each other is changed, the system requires
calibration again.
• If the system indicates a possible decalibration, you should perform
a new calibration.
9.2.2

Prerequisites

We recommend letting the sensor warm up for approximately 15 to 20
minutes (camera and projector switched on), so that calibration can be
carried out under operating conditions.
A prerequisite for successful calibration is the correct setup of the
sensor.
The measuring object defines the measuring volume and thus the set
of lenses to be used. Depending on the measuring volume, you either
need to use a calibration panel or a calibration cross.
The measuring distance to the calibration object has to be adjusted
according to the sensor used, see the sensor configuration table in
section 3.1.
At the beginning of the calibration process, you need to enter the
temperature into the software at which the calibration is carried out.
Measure the temperature using the thermometer intended for this
purpose. Make sure you measure the temperature on the rear side of
the calibration object or at the edge of the case in order to prevent
the sensitive point markers from being scratched!
Measuring the temperature of a calibration panel which always remains in its case at the edge
of the case.
Calibration Conditions
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