Device check up for older models
For older models (production date before 2010) a check up is necessary to ensure a recalibration can be done successfully.
The device check up includes the fit and calibration status. It means, we check during several measurements wheater the device is still within the measuring uncertainty and the wavelength accuracy by comparison of the values with the reference values. The device check up will not be invoiced if the recalibration is performed afterwards. Please
contact us before sending in the device.