Sper Scientific LUTU-2016 Turbidity Meter - Manual (Page 10)

4) Shaking the calibration bottle lightly
Before execute the calibration, it should shake
lightly ( not strongly ) the
Standard solution ( TU-0NTU, TU-100NTU )
one to two seconds to let the calibration
solution under the uniform condition.
Remark :
Do not shake the Standard solution strongly due to it may
generate the " Air bubble " and let the solution existing not
accurate value.
5) The buttons that will be used during
the Calibration procedures
Escape button, select button :
Fig. 1, 3-4 Hold Button ( Esc Button )
Calibration button, Enter button :
Fig. 1, 3-5 TEST/CAL Button ( Enter Button )
6) 0 NTU calibration
a. Insert the " 0 NTU standard solution into the
" Container " ( 3-2 , Fig. 1) and envelope in the " Cover "
( 3-1, Fig. 1 ) completely, other procedures please
refer to above section 4-1, 4-2.
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