2.4.2.3
Type of protection Ex t
Explosion hazard
Devices that are operated with the type of protection Ex t "Dust protection through enclosure"
are not designed for introducing combustible gas mixtures. Otherwise, there is a danger of
explosion.
Therefore:
• For operation with the type of protection Ex t, introduce only non-combustible sample
• Close all open connections, such as purging gas connections, gas-tight.
Devices in explosion-proof design
Compact Operating Instructions, 01/2022, A5E35134047-11
WARNING
gases.
2.4 General directives for explosion protection
Safety instructions
21