Explosion-protection relevant information
4.2.2
Analog indicator with transmitter with or without LCD display
1. Protection
2. Protection Class
Class
XP or Ex d
IS or Ex ia *)
U
= 60 V
M
NI or Ex nA
IS or Ex ia
XP or Ex d
NI or Ex nA
NI or Ex nA
IS or Ex ia *)
U
= 60 V
M
XP or Ex d
*) possible only if the max. signal levels of U
16 - EN
Measures
•
500 Vac
Test between terminals 31/32 and 41/42 and
/1min
terminals 31/32/41/42 and the housing.
•
Visual inspection: no damage, especially to electronics boards.
•
Visual inspection: no explosion, no damage.
•
500 Vac
Test between terminals 31/32 and 41/42 and
/1min
terminals 31/32/41/42 and the housing.
•
Visual inspection: no damage, especially to electronics boards.
•
Visual inspection: no explosion, no damage.
•
Visual inspection: no damage to threads (cover, surface, ½"
NPT cable input), cable gland, glass, housing, locking device for
cover, proper cable, etc.
•
Special precautions are not necessary.
•
500Vac
Test between terminals 31/32 and 41/42 and
/1min
terminals 31/32/41/42 and the housing.
•
Visual inspection: no damage, especially to electronics boards.
•
Visual inspection: no damage to threads (cover, surface, ½"
NPT cable input), cable gland, glass, housing, locking device for
cover, proper cable, etc.
≤ 60 V (e.g., PELV or SELV circuits) were not previously exceeded.
M
VA Master FAM540
CI/FAM540-X1