Maintenance Liquisys M CLM223/253
86 Endress+Hauser
8.1.7 Connecting lines and junction boxes
• Use the methods described in chapters "Simulation of conductive/inductive sensors for
device test" to perform a quick functional check from the conductivity sensor (sensor
connector) to the measuring instrument via an extension.
Connect the decade resistors simply with the service kit "Conductivity Test Adapter", order
no. 51500269.
• Check junction boxes for:
– Moisture (influence at low conductivity or M measurement, if necessary dry box,
replace seals, insert dehydrating bag)
– Correct connection of all lines
– Connection of the outer screens
– Tightness of the terminal screws
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