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Annex B
The external pulser, which directly scans the turbine wheel, has its own ATEX approval with
the following markings:
HF pulser
Proximity switch according
to NAMUR specifications
PTB 01 ATEX 2191
II 1G Ex ia IIC T6
IECE x BVS 06.0003
ia IICT6/T5 Ga
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