Ocean Optics HL-3 Series - Manual (Page 13)

1: Setup
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Tips
When you perform measurements with the calibrated spectrometer system, record a new
dark spectrum before each measurement. This minimizes the influence of a shifted dark
spectrum.
Use a log to monitor the operation time of the light source. Recalibration of the light
source after 50 hours of operation is recommended. A sample log is provided in
Appendix B:
HL-3 Use Log .