4. Measurement
RA-620/RA-600
25
4-4. Calibration
Save reference RI of water in refractometer. Calibration is necessary when
the unit is used for the first time or when check is failed. Just follow guiding
navigation. Be sure to clean the prism. No sample residue should remain on
prism.
1
Press “Check”
When the display says <Calibration
required.>,
the
“Calibration”
button will appear instead of
“Check”.
Pressing “Calibration” leads you to
the below display in #3 by skipping
#2.
2
Press
“Calibration
Navigator”
To calibrate after check, press
“Next”.
Calibration
after
check
is
recommended.
“Stop” returns to main window.
Summary of Contents for RA-600
Page 2: ......
