57
Operating and commissioning
Type 8228
Calibrate the conductivity sensor (“Calibration” function in the “Probe” menu)
Calibration consists in determining the C constant specific to each conductivity sensor using a solution with a
known conductivity.
• In order not to interrupt the process, activate the HOLD function (see chap. 9.12.1).
• Before each calibration, fully clean the conductivity sensor with a special cleaning agent.
• To calibrate a conductivity sensor off-line, put the sensor in the center of a beaker of min. 8 cm in
diameter.
• To calibrate a conductivity sensor off-line, make sure there are no air bubbles in the hole of the conduc-
tivity sensor.
• Set the periodicity of calibrations in the "Interval" function in the sub-menu "Calib interval" (see
page 55): each time a calibration is due, the device generates a "maintenance" event and a "warning"
event.
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