Sper Scientific LUTU-2016 Turbidity Meter - Manual (Page 9)

* With the " REC. " symbol on the display :
a) Press the " REC Button " ( 3-8, Fig. 1 ) once, the "
REC. MAX. " symbol along with the maximum value
will appear on the display.
If intend to delete the maximum value, just press
the " Hold Button " ( 3-4, Fig. 1 ) once, then the
display will show the " REC. " symbol only & execute
the memory function continuously.
b)Press the " REC Button " ( 3-8, Fig. 1 ) again, the
" REC. MIN. " symbol along with the minimum value
will appear on the display.
If intend to delete the minimum value, just press
the " Hold Button " ( 3-4, Fig. 1 ) once, then
the display will show the " REC. " symbol only &
execute the memory function continuously.
5. CALIBRATION PROCEDURE
1)The meter can be calibrated under two kinds standard
solution :
0 NTU standard solution
100 NTU standard solution
2)The meter ship along with
a. Testing bottle with 0 NTU standard solution x 1 PC
b. Testing bottle with 100 NTU standard solution x 1 PC
as the standard accessories.
3)The complete calibration should be executed by
following two solution :
0 NTU standard solution
100 NTU standard solution
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