Endress+Hauser Promag 500-digital Einbauanleitung Seite 6

EA01146D
4 Safety instructions
• Check whether the spare part matches the identification label on the measuring device, as
explained on the first page.
• The spare parts set and Installation Instructions are used to replace a faulty unit with a
functioning unit of the same type.
Use genuine parts from Endress+Hauser only.
• Comply with national regulations governing mounting, electrical installation,
commissioning, maintenance and repair procedures.
• Requirements with regard to specialized technical staff for the mounting, electrical
installation, commissioning, maintenance and repair of the measuring devices:
– trained in instrument safety.
– familiar with the individual operation conditions of the devices.
– for Ex-certified measuring devices: also trained in explosion protection.
• The measuring device is energized. Danger: Risk of electric shock! Open the measuring
device in a de-energized state only.
• In the case of Ex-certified measuring devices: Only open in a de-energized state (once a
delay of 10 minutes has elapsed after switching off the power supply) or in environments
which do not have a potentially explosive atmosphere.
• In the case of measuring devices in safety-related applications in accordance with
IEC 61508 or IEC 61511: After repair recommission in accordance with Operating
Instructions. Document the repair procedure.
• Before removing the device: set the process in a safe condition and purge the pipe of
dangerous materials.
• 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 measuring devices in custody transfer, the custody transfer status no longer
applies once the lead seal has been removed.
• Follow the Operating Instructions for the device.
• Risk of damaging electronic components! Ensure you have a working environment
protected from electrostatic discharge.
• After removing the electronics cover, there is a risk of electric shock as shock protection is
removed!
Switch off the measuring device before removing internal covers.
• Modifications to the measuring device are not permitted.
• Only open housing for a brief period. Avoid the penetration of foreign bodies, moisture or
contaminants.
• Replace defective seal/gaskets with genuine parts from Endress+Hauser only.
• If threads are damaged or defective, the measuring device must be repaired.
• Threads (e.g. of the cover for the electronics and connection compartments) must be
lubricated. Use an acid-free, non-hardening grease if an abrasion resistant dry lubricant is
non-existent.
6 Endress+Hauser