Servicing
Instruction Manual AquaMaster
12745E/4
71
8.1.4
Clean and calibrate pH sensor
CAUTION!
The pH sensor can be damaged through improper handling.
The pH sensor can be damaged by carelessly touching the measuring tip or by using the
wrong cleaning agent.
For cleaning this sensor please consult Section 8.1.1.
Touch the pH sensor only if absolutely necessary.
Do not clean with abrasive cleaning agents.
Use only recommended cleaning agents for cleaning.
WORKSTEP
ADDITIONAL INFO / IMAGES
1.
1.1: Press the
Menu
button.
1.2: Set access code and confirm with
OK
.
Factory setting is
0
.
1.3: Press button with
(S1 .. S4) name of the
pH sensor
.
1.4: Select the
Recalibration
menu.
1.5: Select
C1 pH
menu.
2.
Remove pH sensor in accordance with Section
8.1.2 and position in locking device.
3.
Clean measuring point of the sensor.
3.1: Dip the measuring tip of the sensor into
cleaning solution or dab with a soaked cloth.
Use cleaning agents in accordance with Section
8.1.1.3.
3.2: Rinse the measuring tip with distilled wa-
ter and dab dry.
4.
Prepare recalibration.
4.1: Open calibration holder and fill with buffer
solution by pressing the container.
Calibration solutions from various
manufacturers are supported. They can be
selected in the
Recalibr./Cali. standard
menu. The one from Hamilton is set as stan-
dard.
