Safety Instructions - Endress+Hauser t-mass I 300-digital Einbauanleitung

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Safety Instructions

• Only use original parts from Endress+Hauser.
• Comply with national regulations governing mounting, electrical installation,
commissioning, maintenance and repair procedures.
• The following requirements must be met with regard to specialized technical staff for the
mounting, electrical installation, commissioning, maintenance and repair of the measuring
devices:
• Specialized technical staff must be trained in instrument safety.
• They must be familiar with the individual operating conditions of the devices.
• In the case of Ex-certified measuring devices, they must also be trained in explosion
protection.
• The measuring device is energized! Risk of fatal injury from electric shock. Open the
measuring device only when the device is deenergized.
• For measuring devices intended for use in hazardous locations, please observe the
guidelines in the Ex documentation (XA).
• When using measuring devices in safety-related applications in accordance with IEC 61508
or IEC 61511: following installation, re-commission the device in accordance with the
Operating Instructions. Document the installation.
• 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 removal of the electronics compartment cover: risk of electrical shock due to missing
touch protection!
Turn instrument off 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 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.
Endress+Hauser
EA01288D
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