Instruction Manual Mi456 TITRATABLE TOTAL ACIDITY Minititrator for wine analysis
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FUSE REPLACEMENT
To change the fuse follow next steps:
• Disconnect the power cord from the rear panel
of the instrument.
• Pull out the fuse holder located near the power
cord connector.
• Replace the fuse with a similar one.
• Push the fuse holder with the fuse in the
appropriate place.
ELECTRODE CONDITIONING & MAITENANCE
PREPARATION PROCEDURE
Remove the protective cap of the pH elec-
trode (
MA919B/1
).
DO NOT BE ALARMED IF SALT DEPOSITS
ARE PRESENT. This is normal with elec-
trodes. They will disappear when rinsed
with water.
During transport, tiny bubbles of air may form
inside the glass bulb affecting proper func-
tioning of the electrode. These bubbles can
be removed by “shaking down” the electrode
as you would do with a glass thermometer.
If the bulb and/or junction is dry, soak the
electrode in
MA9015
Storage Solution for at
least one hour.
If the filling solution (electrolyte) is more
than 2½ cm (1”) below the fill hole, add
