Knick Stratos Multi E401N - Sensor Selection [I] [II]

Stratos Multi E401N
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5.6 Sensor Selection [I] [II]
Note: Function check (HOLD) is active.
Stratos Multi is factory-set to a pH value measurement with Memosens sensor. This measuring func-
tion is also provided by the ORP measurement. The measuring function can be changed to measure
conductivity or oxygen in the
Parameter Setting menu:
To prepare Stratos Multi for measurements, the operating mode of the used measuring channel must
be set:
Parameter Setting

Sensor Selection [I] [II]
Sensor Selection [I] (measuring channel I): Memosens sensor or SE740 optical oxygen sensor (LDO)
Sensor Selection [II] (measuring channel II): Second Memosens sensor or analog sensor via measuring
module
If Memosens sensors are connected directly, the process variable can be set to “Auto”. In this case, the
sensor is automatically detected by the device, which sets itself to the correct process variable. This
does not apply to the MK-MS095N Memosens module.
NOTICE! Parameters that are dependent on process variables (e.g. measurement display, current out-
puts, contacts, ...) are set separately; this step is not automatic.
If “Auto” is not used with a Memosens sensor, and in general when using analog sensors, the operating
mode must be set to the used sensor. The parameters that are dependent on process variables can
then be set when a sensor is not connected.
Power Out
The output voltage of terminal 6 is selected in the Power Out menu item: 3.1V, 14V, 24V. This output
voltage is used to supply power to special sensors or external transmitters. The voltage at terminal 6 is
automatically adjusted when using the SE740 optical oxygen sensor. The menu item is then not avail-
able.
Identifying a Memosens Sensor
A connected Memosens sensor is displayed as follows: sensor name, manufacturer, serial number, date
of last adjustment
All relevant and typical sensor parameters are automatically transferred to the Stratos Multi.