Endress+Hauser Universal four-wire Multichannel Controller Field Device CM442-4367/0

Warning: Use commercially available cleaning agents only for cleaning the front of the housing.

Never use concentrated mineral acids, alkaline solutions, organic cleaners such as acetone, benzyl alcohol, methanol, methylene chloride, xylene or concentrated glycerol cleaner.

Never use high-pressure steam for cleaning purposes.

Is a cleaning system connected?

If a cleaning system is connected, switch it off before removing a sensor from the medium.

If you wish to check the cleaning function and have therefore not switched off the cleaning system, please wear protective clothing, goggles and gloves or take other appropriate measures.

Cleaning completed successfully?

Sign off on the controller cleaning

New sensor inserted successfully

Sensor data accepted by the transmitter

Used sensor returned to the laboratory

Sensor prepared for reuse in the laboratory

Sign off on the sensor replacement

Warning: Avoid hazards posed by pressure, temperature and contamination

Warning: De-energize circuits before working on the terminals

Have personal protective measures been taken to avoid ESD?

Are you using genuine spare parts?

Sign off on the controller calibration

Warning: Use the cleaning agent specified in the sensor manual

Sensor inspected for cracks or other damage

If damage is found, stop the procedure and report to the maintenance team

Sign off on the sensor maintenance