
Transmitter Multiparameter M400 70
© 11 / 08 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter Multiparameter M400
Printed in Switzerland 52 121 378
Definition:
Adjustment: The calibration procedure is completed and the calibration values are taken over
and used for the measurement (Act) and stated in Cal-1. The current values from Act will move
to Cal-2.
Calibration: The calibration procedure is completed, but the calibration values will not be
overtaken and the measurement continuous with the last valid adjustment dataset (Act). The
dataset will be stored under Cal-1.
The calibration history is used for the estimation of the lifetime indicator for ISM sensors.
Sensor Monitoring
The sensor monitoring shows the different diagnostics functions available for each ISM sensor.
The following information is available:
Lifetime indicator: Shows an estimation of the remaining lifetime to ensure a reliable measure-
ment. The lifetime is indicated in days (d) and percentage (%). For a description of the Lifetime
indicator, please see section 8.6 ISM Setup. For Oxygen sensors, the lifetime indicator is
related to the inner-body of the sensor or the OptoCap for optical sensors. If you want to bring
the bar indicator on the screen, see chapter 8.7.5 to activate ISM functions.
Adaptive Cal Timer: This timer shows a Adaptive Cal Timer, when the next calibration should be
performed to keep the best possible measurement performance. The Adaptive Cal Timer is
indicated in days (d) and percentage (%). For a description of the Adaptive Cal Timer, please
see section 8.6 ISM Setup.
Time to Maintenance: This timer shows a Time to Maintenance, when the next cleaning cycle
should be performed to keep the best possible measurement performance. The Time to
Maintenance is indicated in days (d) and percentage (%). For a description of the Time to
Maintenance, please see section 8.6 ISM Setup. For oxygen sensors, the Time to Maintenance
indicates a maintenance cycle for the membrane and electrolyte.
Max. Temperature
The maximum temperature shows the maximum temperature that this sensor has ever seen,
together with a time stamp of this maximum. This value is stored on the sensor and cannot be
changed. During autoclaving the Max temperature is not recorded.
Max. Temperature
Tmax XXX°C YY / MM / DD
CIP Cycles
Shows the amount of CIP cycles that the sensor has been exposed to. For a description of the
CIP Cycle indicator, please see section 8.6 ISM Setup
CIP Cycles xxx of xxx
SIP Cycles
Shows the amount of SIP cycles that the sensor has been exposed to. For a description of the
SIP Cycle indicator, please see section 8.6 ISM Setup
SIP Cycles xxx of xxx
Autoclaving Cycles
Shows the amount of Autoclaving cycles that the sensor has been exposed to. For a description
of the AutoClave Cycle indicator, please see section 8.6 ISM Setup
Autoclaving Cycles xxx of xxx
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