Siemens SITRANS DS III Series Compact Operating Instructions page 12

WARNING
Exceeded maximum ambient or process media temperature
Danger of explosion in hazardous areas.
Device damage.
● Make sure that the maximum permissible ambient and process media temperatures of the device are not exceeded.
Refer to the information in Chapter "Technical specifications (Page 36)".
WARNING
Open cable inlet or incorrect cable gland
Danger of explosion in hazardous areas.
● Close the cable inlets for the electrical connections. Only use cable glands or plugs which are approved for the relevant
type of protection.
WARNING
Incorrect conduit system
Danger of explosion in hazardous areas as result of open cable inlet or incorrect conduit system.
● In the case of a conduit system, mount a spark barrier at a defined distance from the device input. Observe national
regulations and the requirements stated in the relevant approvals.
See also
Technical specifications (Page 36)
WARNING
Incorrect mounting at Zone 0
Danger of explosion in hazardous areas.
● Ensure sufficient tightness at the process connection.
● Observe the standard IEC/EN 60079-14.
WARNING
Danger with "flameproof enclosure" protection
Danger of explosion in hazardous areas. An explosion may be caused by hot gas escaping from the flameproof enclosure
if there is too little space between it and the fixed parts.
● Ensure that there is a space of at least 40 mm between the flameproof joint and the fixed parts.
①
Flameproof joint
10
SITRANS P, DS III series (7MF4.33.. 7MF4.34.. 7MF4.35..)
A5E03434656-02, 12/2012