Specifications

Table Of Contents
Transmitter M400 102
© 02 / 2010 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter M400
Printed in Switzerland 52 121 378
11.2.1.3 Voltage
Voltage calibration is preformed as a two point calibration.
Navigate to the Calibrate Meter screen and select Channel A and Voltage.
Enter the value for Point 1 in, volts, connected to the input. The second display line will show
the measured voltage. Press[ENTER] to begin the calibration process.
Enter the value for Point 2, in volts, of the source connected to the input.
The second display line shows the measured voltage.
Pressing the [ENTER] key after entering Point 2 will bring up a confirmation screen. Select Yes
to save the calibration values and the successful Calibration is confirmed on the display. The
transmitter will return to the measurement mode in approximately 5 seconds.
11.2.1.4 Rg diagnostic
Rg diagnostic is performed as a two point calibration. Navigate to the Calibrate Meter screen and
select Channel A and Rg Diagnostic.
Enter the value for Point 1 of the calibration according to the resistor connected across the
pH glass electrode measuring input. Press [ENTER] to begin the calibration process.
Enter the value for Point 2 of the calibration according to the resistor connected across the
pH glass electrode measuring input.
Pressing the [ENTER] key after entering Point 2 will bring up a confirmation screen. Select Yes to
save the calibration values and the successful calibration is confirmed on the display. The trans-
mitter will return to the measurement mode in approximately 5 seconds.