% 9 %
+
,
Use this function to check the nD value of the
zero setting for distilled water.
Fill the
(3) with a standard solution
of distilled water (0.0) that is the same tem%
perature as the solution to be tested.
Close the
(2).
Press the
(4) button to turn the
refractometer on and obtain a temperature
reading.
Quickly press the
(5) button once.
The nD value of the solution is displayed.
This information can be viewed at any time
to show the last calibration value.
-
.
When the low%battery symbol is displayed,
push the tab to open the
.
(5) and replace the 1.5V
AAA battery with a fresh alkaline battery.
