Yokogawa 2-Wire Dual Channel Transmitter/Analyzer FLXA21 - Manual (Page 212)

<19. TROUBLESHOOTING>
19-4
IM 12A01A02-01E 5th Edition : Oct. 31, 2013-00
*1
*2
*3
*4
*5
*6
Top Side Bottom Side
*1 This marking conforms to Intrinsically safe type of IECEx.
*2: This marking conforms to Intrinsically safe type of ATEX.
*3: This marking conforms to Intrinsically safe type of FM.
*4: This marking conforms to Intrinsically safe type of CSA.
*5: This marking conforms to non-incendive type of FM.
*6: This marking conforms to non-incendive type of CSA.
Figure 19.6 Example: Nameplates of sensor module assembly.
CAUTION
Don’t use General Purpose housing assembly / sensor module as Intrinsically safe type module.