Mettler Toledo M400 Dokumentacja Pobierz pdf (Strona 52)

Transmitter M400 52

Printed in Switzerland 52 121 378

Select 2 point as the calibration type. Press [ENTER].

Place the sensor in air.

Depending on the parameterized Drift control (see chapter 8.2.3.5 “Parameters for oxygen mea-

surement based on optical sensors”) one of the two following modes is active.

7.5.2.1 Auto mode

Enter the value for Point 1 including a decimal point and units. The value in the second text line

is the value being measured by the transmitter resp. sensor in the units selected by the user.

As soon as the stabilisation criteria have been fulfilled, the display changes and prompts you to

change the gas.

Place the senor in the second calibration gas and press the [ENTER] key to go on with the cali-

bration.

Enter the value for Point 2 including a decimal point and units. The value in the second text line

is the value being measured by the transmitter resp. sensor.

As soon as the stabilization criteria have been fulfilled the display changes. The display shows

now the values for the phase of the sensor at 100% air (P100) and at 0% (P0) air.

In case of a successful calibration, the calibration values are stored in the cal history and taken

over (Adjust), stored in the cal history and not taken over (Calibrate) or discarded (Abort).

If ”Adjust” or ”Calibrate” are chosen, the message ”Calibration successful” is displayed. In any

case you will get the message ”Re-install sensor” and ”Press ENTER” on the display. After press-

ing ”ENTER” the M400 returns to the measuring mode.

7.5.2.2 Manual mode

Enter the value for Point 1 including a decimal point and units. The value in the second text line

is the value being measured by the transmitter resp. sensor in the units selected by the user.

Press [ENTER] to proceed.

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Mettler Toledo M400 Dokumentacja Strona 52