Manufactured year

My company have some MAG 8000 flowmeters.

Please provide the rules for determining the year of manufacture of a SIEMENS flowmeter from the flowmeter serial number (for example: 235305H269 manufactured in 2019)

Thank you.

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Split from MAG 8000 Flowmeter.

Closed cause question posted twice.

The second thread with the subject Determining the year of manufacture of a SIEMENS flowmeter is published within the conference Process Instrumentation / MI Digital Solution / Valve Positioner / Analyzer Systems / Continuous and static Weighing Technology .