8.3 Reference measurement fails
When the deviation between the stored reference spectrum is out of limit, the reference measurement
will fail. A pop-up window will show both curves and give details of the measurement result.
Possible reasons for a reference measurement to fail
• Optical surfaces (e.g. External reference) dirty or scratched
• Environmental conditions out of operational range (e.g. condensating humidity at optical surfaces)
• Defective instrument (e.g. electronic damage)
• After lamp-module exchange
Remedy
• Clean the External reference and the NIRMaster output window
• Place the External reference onto the output window and press the ‘Rerun’ button to repeat the
measurement
If measurement still fails, a new reference spectrum can be stored by pressing the ‘Checkmark’
button. A login window will pop-up. An administrator login is required to store the new data set!
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