KROHNE OPTISOUND 3010-3020 Ex DE User Manual
Page 19
English
10. Stroke and friction sparks
For applications requiring instruments of category 1 G, the ultrasonic sensors OPTISOUND
3010/3020 C VF3*4.C***H***X (all versions with aluminium) have to be mounted in such a way that
sparks caused by sudden blows or friction between aluminium and steel ( exceptionally stainless
steel, if rust particles can be excluded) can be excluded.
OSOUND3010-3020C-C_H 30666-DE-050920
19
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