Battery Replacement; Calibration - Lutron Electronics CD-4322 Operation Manual

8. BATTERY REPLACEMENT

1) When the upper left corner of LCD display show "
it is necessary to replace the battery. However, in-spec.
measurement may still be made for several hours after
low battery indicator appears before the instrument
become inaccurate.
2) Open the " Battery Cover " ( 3-9, Fig. 2 ) away from
the instrument by loosing the " Battery cover screws "
( 3-10, Fig. 2 ) and remove the battery.
3) Replace with 9V battery ( Alkaline or Heavy duty type )
and reinstate the cover.
4) Make sure the battery cover is secured after changing
the battery.

9. CALIBRATION

1) Connect the " Probe Plug " ( 3-13, Fig. 1 ) into the
" Probe input socket " ( 3-6, Fig. 1 ).
Turn on the meter by pressing the " Power Button "
( 3-2, Fig. 1 ) momentarily.
2) Prepare a " Conductivity Standard Solution ", for
example the optional " 1.413 Conductivity Standard
Solution, CD-14 ".
3) Hold the " Probe Handle " ( 3-11, Fig. 2 ) by hand and
immerse the " Sensing Electrode " ( 3-12, Fig. 1 )
wholly into the " Standard solution ". Shake the "
Sensing Electrode " to let the electrode's internal air
bubble drift out from the sensing Electrode.
17
",