5. The wiring shall be given protection against torsional and tensile stresses (e.g. by the use of
conduit).
6. The EPL marking Gb/Ga indicates that the quipment is for use in zone 1, but the sensor
interfaces with the process uid, which may be zone 0 inside the process pipe.
3.1.3 External DSL specic conditions of use
1. ATEX/IECEx: Potential risk of sparking from aluminium alloy enclosure. In Zone 0
installations, equipment shall be installed in such manner as to prevent the possibility of
sparks resulting from friction or impact against the enclosure.
2. US/Canada: Potential risk of sparking from aluminium alloy enclosure. In Division 1 or Zone
0 installations, equipment shall be installed in such manner as to prevent the possibility of
sparks resulting from friction or impact against the enclosure.
3. WARNING – Risk of electrostatic sparking. Clean only with a damp cloth.
4. Group IIIC dust rating is only valid for a maximum dust layer of 5mm.
5. Temperature code T6 and dust temperature class T
5
64 °C applies for ambient temperatures
up to 50°C; Temperature code T5 and dust temperature class T
5
74°C applies for ambient
temperatures between 50°C and 60°C.
CAUTION
Hot surfaces resulting from hot process media
Risk of burns resulting from surface temperatures above 65°C (149°F).
• Take appropriate protective measures, for example contact protection.
• Make sure that protective measures do not cause the maximum permissible ambient
temperature to be exceeded. Refer to the information in Technical specications (Page 97).
WARNING
Exceeded maximum permissible operating pressure
Risk of injury or poisoning.
The maximum permissible operating pressure depends on the device version, pressure limit
and temperature rating. The device can be damaged if the operating pressure is exceeded. Hot,
toxic and corrosive process media could be released.
Ensure that maximum permissible operating pressure of the device is not exceeded. Refer to
the information on the nameplate and/or in Technical specications (Page97).
Installing/mounting
3.1Basic safety notes
SITRANS FS130 & FS230
18 Compact Operating Instructions, 12/2023, A5E38755607-AF