Endress+Hauser Universal four-wire Multichannel Controller Field Device CM444-DD51/0 (CM444-AAM4DA0F061BAA)

Warning: Only trained personnel should perform this procedure

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: 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

Warning: Avoid hazards posed by pressure, temperature and contamination

Has the sensor been removed during maintenance work?

Warning: Make sure the device is de-energized before you open it

Warning: De-energize circuits before working on the terminals

Warning: Take personal protective measures to avoid ESD

Have you discharged at PE or grounded with a wrist strap?

Warning: Only use genuine spare parts for safety and reliability

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