Conductivity Calibration For 2-E And 4-E Sensors - Mettler Toledo M400 Guide Rapide

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12 Conductivity Calibration for 2-e and 4-e Sensors

For Display setup, analog outputs and setpoints see the section "General Setup".
Cond One point Calibration
1.25
A
µS/cm
25.0
A
°C
Calibrate Sensor
Channel A Conductivity m
1.25
µS/cm
25.0
°C
Cal Compensation
Standard
m
1.25
µS/cm
25.0
°C
Conductivity Calibration
Type = 1 point
m
h
1.25
µS/cm
25.0
°C
A Point1 = 0.055 µS/cm
A C = 0.057 µS/cm m
While in Measurement mode press the [CAL] key. If the display prompts you to enter
the calibration security code, press the m or . key to set the calibration security
code, then press the [ENTER] key to confirm the calibration security code.
Press [ENTER] to select the CONDUCTIVITY CALIBRATION SUB FUNCTION.
A flashing "H" (alternating with "A" or "B" to show the channel being calibrated for
multi-channel devices) in the top left hand corner shows the ongoing calibration
process.
Choose the compensation mode by using the m or . key.
Press [ENTER] to confirm the compensation mode.
Select 1 POINT instead of 2 POINT CALIBRATION by pressing the . key once followed
by the [ENTER] key.
CAUTION: Rinse sensors with a high-purity water solution before every calib r ation to
prevent contamination of the reference solutions.
Place the electrode in the reference solution.
Enter the value of Point 1 and press the [ENTER] key.
(PATH: Cal)
21

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