Bilanciai PS440 Series, Руководство по эксплуатации и обслуживанию

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DS440IS
2.3.2 Compatibility
Once the zones and substances have been classified, the equipment can be chosen with protection
systems suitable for these zones/substances.
2.3.3 Surface or underground
The weighing instruments described in this manual are suitable for use on the surface (group II).
2.3.4 Categories of equipment
The appliances are classified in categories, depending on their safety (1, 2, 3).
There is also a breakdown in equipment for the presence of dust (D = Dust) and gas (G = Gas).
Danger zone Categories under Directive
ATEX 2014/34/UE
Equipment Protection Level
Gas, mist or vapours Zone 0 1G Ga
Gas, mist or vapours Zone 1 1G or 2G Ga or Gb
Gas, mist or vapours Zone 2 1G, 2G or 3G Ga, Gb or Gc
Dust Zone 20 1D Da
Dust Zone 21 1D or 2D Da or Db
Dust Zone 22 1D, 2D or 3D Da, Db or Dc