Mettler Toledo M400 Especificaciones descargar pdf (Pagina 107)

Transmitter M400 107

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Cal History

The calibration history is stored with a time stamp in the ISM sensor and is displayed on the

transmitter. The calibration history offers the following information:

Fact (Factory calibration): This is the original dataset, determined in the factory. This dataset re-

mains stored in the sensor for reference and cannot be overwritten.

Act (Actual adjustment): This is the actual calibration dataset which is used for the measure-

ment. This dataset moves to Cal-2 position after the next adjustment.

1. Adj (First adjustment): This is the first adjustment after the factory calibration. This dataset re-

mains stored in the sensor for reference and cannot be overwritten

Cal-1 (last calibration / adjustment): This is the last executed calibration / adjustment. This data-

set moves to Cal-2 and then to Cal-3 when a new calibration / adjustment is performed. After-

wards, the dataset is not available anymore.

Cal-2 and Cal-3 acting in the same way as Cal-1.

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 over-

taken 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.

Press [ENTER] to exit from this display.

Note: This function requires the correct setting of date and time during calibration and / or ad-

justment tasks (see chapter 9.6 “Set date & time”).

Sensor monitoring (not available for Cond 4-e sensor)

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 “ISM sensor monitoring” to activate ISM func-

tions.

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 indi-

cated in days (d) and percentage (%). For a description of the Adaptive Cal Timer, please see

section 8.6 “ISM Setup”.

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Mettler Toledo M400 Especificaciones Pagina 107