Endress+Hauser Prosonic Flow 300-digital Einbauanleitung Seite 6

EA01255D
• The measuring device is energized! Risk of fatal injury from electric shock. Open the
measuring device only when the device is de-energized.
• For measuring devices intended for use in hazardous locations, please observe the
guidelines in the Ex documentation (XA).
• For measuring devices in safety-related applications in accordance with IEC 61508 or
IEC 61511: following alteration, re-commission the device in accordance with the Operating
Instructions. Document the alteration.
• Before removing the device: set the process to a safe state and purge the pipe of dangerous
process substances.
• Hot surfaces! Risk of injury! Before commencing work: allow the system and measuring
device to cool down to a touchable temperature.
• In the case of devices in custody transfer, the custody transfer status no longer applies once
the seal has been removed.
• The Operating Instructions for the device must be followed.
• Risk of damaging the electronic components! Ensure you have a working environment
protected from electrostatic discharge.
• After removing the electronics compartment cover: risk of electrical shock due to missing
touch protection!
Turn the measuring device off before removing internal covers.
• Only open the housing for a brief period. Avoid the penetration of foreign bodies, moisture
or contaminants.
• Replace defective seals only with original seals from Endress+Hauser.
• If threads are damaged or defective, the measuring device must be repaired.
• Threads (e.g. of the electronics compartment cover and connection compartment cover)
must be lubricated if an abrasion-proof dry lubricant is not available. Use acid-free, non-
hardening lubricant.
• If, during alteration work, spacing is reduced or the dielectric strength of the measuring
device cannot be guaranteed, perform a test on completion of the work (e.g. high-voltage
test in accordance with the manufacturer' s instructions).
• Service plug:
• Do not connect in explosive atmospheres.
• Only connect to Endress+Hauser service devices.
• Observe the instructions for transporting and returning the device outlined in the Operating
Instructions.
If you have any questions, please contact your
6
Endress+Hauser service organization.
Endress+Hauser