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Safety notes
2.5 Installation in hazardous areas
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
20
Operating Instructions, 08/2017, A5E37367739-AC
2.5
Installation in hazardous areas
WARNING
Equipment used in hazardous areas
Risk of explosion. May cause death or serious injury.
Equipment used in hazardous areas must be Ex-approved for the region of installation and
marked accordingly. It is required that the special conditions for safe use provided in the
manual and in the Ex certificate are followed!
Hazardous area approvals
The device is approved for use in hazardous area according to the lists below. Special
conditions for safe installation and operation specified by each approval authority are
included in the relevant certificate.
Table 2- 1
ATEX approval
Device
Gas
Dust
FST030 transmitter
Zone 2
Zone 22
FSS200 sensor
Zone 0
Zone 20/21
FM approval
Transmitter
Class I Division 2 Groups A,B,C,D T*
Class II Division 2 Groups E,F,G
Class III Division 1
Class I Zone 2 and Zone 22
Sensor
Class I+II+III Division 1 Groups A, B, C, D, E, F, G.
Class I Zone 0, Zone 20/21
Note
Control drawing
* See Control drawing A5E32778336A.