en
16
4.3
Measuring
9
11
Follow the instructions for the pH / mV meter or transmitter.
5
Maintenance
5.1
Cleaning
We recommend regular cleaning
Slight contamination
13
Fat residues
15
17
5.2
Storing the electrode
Friscolyt or KCl 3 mol / l
h
Important:
– D o not keep pH electrodes in demineralized or distilled water,
as this will shorten their life.
– D o not store pH electrodes dry. If the electrode has been
stored dry, regenerate it overnight in the watering cap with
KCl 3 mol / l or Friscolyt.
6
Trouble-shooting
Problem
Air bubbles
inside
electrode tip
LoT 406
Sensor Series
59 906 021
Ethanol
Cause
Bubbles formed
while stored
horizontally
LoT 406
Remedy
– W ith tip pointing down, shake
the electrode with short flicking
movements (like a clinical
thermometer)
– Store electrode in upright position
© 04 / 16 Mettler-Toledo GmbH
Printed in Switzerland
Sensor Series
10
12
14
16