Stratos Multi E401N
166
12.9 Diagnostics and Statistics
Diagnostic functions
Calibration data Calibration record
Device self-test Automatic memory test (RAM, FLASH, EEPROM)
Display test Display of all colors
Keypad test Check of key functions
Sensocheck
Delay: approx. 30 s
pH Automatic monitoring of glass and reference electrode (can be switched off)
Cond Polarization detection and monitoring of cable capacitance
CondI Monitoring of primary and secondary coils and lines for open circuit and of primary coil
and lines for short circuit
Oxygen With amperometric sensors only
Monitoring of membrane and electrolyte and the sensor wires for short circuits or open
circuits (can be switched off)
Sensoface
Provides information on the sensor condition (can be switched off; happy, neutral, sad smileys)
pH Evaluation of zero/slope, response, calibration interval, Sensocheck, wear
Cond Evaluation of Sensocheck
CondI Evaluation of zero point, cell factor, installation factor, Sensocheck
Oxygen Evaluation of zero point/slope, response time, calibration interval, Sensocheck, and sen-
sor wear for digital sensors
Sensor Monitor
Display of direct sensor measured values:
pH pH/voltage/temperature
Cond Resistance/temperature
CondI Resistance/temperature
Oxygen Sensor current/temperature
Measurement recorder TAN option FW-E103
4-channel measurement recorder with marking of events (failure, maintenance required, function check, limits)
Storage capacity At least 20,000 entries in conjunction with Data Card
Recording Process variables and span freely adjustable
Type of recording Current value
Time base 10s ... 10h
Logbook
Recording of function activations, appearance and disappearance of warning and failure messages, with date and
time, 100 events with date and time, viewable on display
TAN option
FW-E104
At least 20,000 entries in conjunction with Data Card
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