Removal Of Sources Of Malfunction; Environmental Protection; Storage Conditions - Mettler Toledo InPro 325X i Instructions D'utilisation

InPro 325X (i) pH Electrodes
4. Place the electrode into the armature as described in the
instructions for the armature.
5. Connect t he e lectrode a nd t he p H t ransmitter w ith t he c orresponding
cable (VP6, VP8, AK9). Observe the connections scheme that
accompanies the cable or the transmitter.
6. Intelligent ISM
measure» and extended diagnostics. Operation of the electrodes
in the ISM mode requires the M700 transmitter as well as an ISM
pH-module (2700 i X). For installation, commissioning and
operation of the ISM system please observe the instructions for
the transmitter, module and cable.
5 Operation:
Calibration of the electrode and pH transmitter
Before a calibration immerse the electrode for 10 minutes in a pH
7.00 or pH 4.01 buffer solution whilst connecting it to the transmitter.
A 2-point calibration is recommended, e.g. pH 7.00 and pH 4.01
buffer solutions. For further details please consult the operating
instructions for the pH transmitter.
6 Maintenance
1. After each working cycle the electrode tip and diaphragm(s) are
to be carefully rinsed with deionised water. Any drying out of
residues from the solution being measured on these parts must
be avoided at all costs!
2. If the electrode is not in use it is stored with the electrode tip and
the diaphragm immersed in a tank of electrolyte (9823 / 3M KCl
or 9848 Friscolyt™).
3. If the electrode is stored in its armature the rules described
under Item 2 apply, although the electrolyte has to be slightly
modified for storage purposes (2 parts of buffer solution pH 9.2
to 10 parts of electrolyte) in order to avoid any corrosion of
the armature parts.
4. If an electrode is inadvertently stored in a dry condition for
several days it must be rinsed for several hours in a standard
storage electrolyte.
5. The plug-in head should occasionally be checked for possible
traces of moisture. If necessary clean it thoroughly with deionised
water or alcohol and then dry it off carefully.
7 Removal of sources of malfunction
With a soft toothbrush and water any residues can easily be removed
from the electrode. Mild washing agents can also be used. Protein
contaminations on the diaphragm can be most likely removed with
the cleaning solution (order no. 51 340 070).
a
Warning: S olutions containing hydrofluoric acid damage the
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Environmental protection

Waste electrical products should not be disposed of
with household waste. Please recycle where facilities
exist. Check with your Local Authority or retailer for
recycling advice.
9 Warranty
On manufacturing defects 12 months after delivery.
10 Storage conditions
We recommend that the electrodes are stored at room temperature.
InPro, ISM and Friscolyt are trademarks of the METTLER TOLEDO
Group.
InPro 325X (i) pH Electrodes
52 002 631
sensors such as InPro 325X i enable «plug and
®
pH sensitive part of the electrode.
© 03 / 18 Mettler-Toledo GmbH
Printed in Switzerland
en
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