Endress+Hauser Universal four-wire Multichannel Controller Field Device CM448-6AC9/0 (CM448-AAD8A26ABBAA)

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

Clean the sensor using the specified cleaning agent

Inspect the sensor for cracks or other damage

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

Regenerate the sensor and store in a regeneration solution if necessary

Recalibrate the sensor for reuse

Sign off on the sensor maintenance

Warning: Use commercially available cleaning agents only

Never use concentrated mineral acids or alkaline solutions for cleaning

Never use 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 if 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

New sensor inserted successfully

Sensor data accepted by the transmitter

Used sensor returned to the laboratory

Sensor prepared for reuse in the laboratory

Measuring point availability ensured