Sper Scientific LUCL-2006 Chlorine Meter - Manual (Page 7)

4. MEASURING PROCEDURE
4-1 Measurement Consideration
White mark
on the up
position of
" Testing
Bottle "
White mark
on the edge of the " Container "
Fig. 2
1)There is a " White mark " on the edge of the
" Container " ( 3-2, Fig. 1 ) and also on the up
position of " Testing Bottle " ( 3-10, 3-11, 3-12
3-13, 3-14 Fig. 1 ), refer Fig. 2.
2)When make the
measurement ( or
calibration ), it should
keep the " Container
white mark " face to face
together with the
" Testing bottle white mark "
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