Mettler Toledo M400/2(X)H Dokumentacja Strona 35

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Transmitter M400/2(X)H, M400G/2XH 35
© 03 / 2014 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter M400/2(X)H, M400G/2XH
Printed in Switzerland 30 031 683
7 Sensor Calibration
(PATH: Cal)
The calibration key c allows the user one-touch access to sensor calibration and verification
features.
h
NOTE: During Calibration on Channel A, a flashing ”H” (Hold) in the upper left corner of the
Display indicates a calibration is in process with a Hold condition active. (The hold output
needs to be activated.) See also chapter 3.2.8 “Display”.
7.1 Enter Calibration Mode
While in Measurement mode press the c key. If the display prompts you to enter the Calibration
security code, press the or . key to set the calibration security mode, the [ENTER] key to
confirm the calibration security code.
Press the or . key to select the type of calibration desired.
Select the desired sensor Calibration task. The choices for each sensor type are:
Conductivity = Conductivity, Resistivity, Temperature**, Edit**, Verify
Oxygen = Oxygen, Temperature**, Edit**, Verify
pH = pH, mV**, Temperature**, Edit pH**, Edit mV**, Verify, ORP***
Press [ENTER].
** only on channel ”A
*** only available on channel ”B”
After every successful calibration, the three options are available:
Adjust: Calibration values will be overtaken und used for the measurement. Additionally, the
data will be stored in the calibration history*.
Calibrate: Calibration values will be stored in the calibration history* for documentation, but will
not be used for the measurement. The calibration values from the last valid adjust-
ment will be further used for the measurement.
Abort: Calibration values will be discarded.
* only available with ISM sensors
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