Mettler Toledo M300 FLOW Spezifikationen PDF herunterladen (Seite 26)

Transmitter O

M300 26

M300

Printed in Switzerland 52 121 305

7 Calibration

(PATH: Cal)

7.1 Exit calibration mode

NOTE: to exit Calibration mode at any time press the  and  key simultaneously (escape).

The transmitter returns to the Measurement mode and the old calibration values remain active.

7.2 Enter calibration mode

While in Measurement mode press the  key. The display prompts you to enter the calibration

security code. Press the  or  key to set the calibration security code, then press the [ENTER]

key to conﬁrm the calibration security code.

Press the  or  key to select one of the following calibration sub functions: Oxygen,

Temperature, Edit or Verify.

A ﬂahing H in the top left hand corner shows the ongoing calibration process with a Hold

condition active.

7.3 Oxygen calibration

7.3.1 1-point calibration

Enter Calibration mode as described in section 7.2.

A O

sensor calibration is always a one point calibration either an Air (Slope) or a Zero (Offset)

calibration.

A one point slope calibration is done in air and a one point offset calibration is done at 0 ppb

. Press the [ENTER] key after selecting Slope or Offset.

Enter the value for Point 1 including a decimal point. O

is the value being measured by the

transmitter and sensor in the units set by the user. Press [ENTER] when this value is stable to

perform the calibration.

After the calibration the slope calibration factor S and the offset calibration factor Z are displayed.

Select „Yes" to save the calibration values and the successful Calibration is conﬁrmed on the

display.

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Mettler Toledo M300 FLOW Spezifikationen Seite 26