Dust Layers Above 5 Mm - Siemens SITRANS F FST030 Operating Instructions Manual

Further information and instructions including approval-specific special conditions for safe
use in Ex applications can be found in the certificates on the accompanying documentation
disk and at Certificates (Page 123).
Laying of cables
Risk of explosion in hazardous areas. May cause death or serious injury.
Cable for use in hazardous areas must satisfy the requirements for having a proof voltage
of at least 500 V AC applied between the conductor/ground, conductor/shield and
shield/ground.
Connect the devices that are operated in hazardous areas as per the stipulations applicable
in the country of operation.
Field wiring installation
Risk of explosion in hazardous areas. May cause death or serious injury.
Ensure that the national requirements of the country in which the devices are installed are
met.
2.4.3

Dust layers above 5 mm

Dust layers above 5 mm
Risk of explosion in hazardous areas. May cause death or serious injury.
Device may overheat due to dust build up.
• Remove dust layers in excess of 5 mm.
SITRANS F Ultrasonic flowmeters FST030 (HART)
Operating Instructions, 08/2017, A5E35971532-AC
WARNING
WARNING
WARNING
Safety notes
2.4 Use in hazardous areas
17