MemoTrans
33
11.3.9 Sensor Condition Check (SCC)
Function
Options
Info
Sensor condition check
Sensor condition check (SCC) monitors the electrode status and
the degree of electrode aging. The condition of the electrode is
updated after every calibration.
The main reasons for a deteriorating electrode status are:
• Glass membrane blocked or dry
• Diaphragm (reference) blocked
Function
Selection
• Off
• On
Factory setting
Off
Switches the function on or off. Diagnostics code and associated
message text:
127
SCC adequate
126
SCC poor
11.3.10 Process Monitoring (PCS)
Path:
Application
Sensor
Extended setup
Diagnostic settings
Function
Options
Info
Process monitoring
The process check system (PCS) checks the measuring signal for
stagnation. An alarm is triggered if the measuring signal does not
change over a specific period (several measured values).
Function
Selection
• Off
• On
Factory setting
Off
Switches the function on or off
Duration
1
…
240 min
Factory setting
60 min
Once this time has elapsed, the calibration timer diagnostic
message, along with the code 102, appears on the display.
11.3.11 Measured Value
Path:
Application
Sensor
Extended setup
Diagnostic settings
Function
Options
Info
ORP Measured Value
Function
Selection
• Off
• On
Factory setting
Off
Switches the function on or off
Upper alarm limit
-2000
…
20000 mV
Diagnostics code and associated message text: 124
Sensor glass
Upper warning limit
-2000
…
20000 mV
Diagnostics code and associated message text: 125
Sensor glass
Lower warning limit
-2000
…
20000 mV
Diagnostics code and associated message text: 123
Sensor glass
Lower alarm limit
-2000
…
20000 mV
Diagnostics code and associated message text: 122
Sensor glass