Yokogawa 2-Wire Dual Channel Transmitter/Analyzer FLXA21 - Manual (Page 211)

<19. TROUBLESHOOTING>
19-3
IM 12A01A02-01E 5th Edition : Oct. 31, 2013-00
l Checking nameplates of safety marking
In case of Intrinsically safe type or type ”n” or non-incendive model, confirm the name plate on
the housing assembly and the sensor module.
CAUTION
Intrinsically safe type or type-n or non-incendive housing assembly /sensor module are certified
independently.
So they must be combined appropriately.
-P (Plastic) -S (Stainless steel)
-U (Stainless steel + urethane coating)
-E (Stainless steel + epoxy coating)
*1
*3
*2
*5
*6
*4
*1
*3
*2
*5
*6
*4
*1
*4
*2
*5
*6
*3
*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 19.5 Example: Nameplates of housing assembly.
PH
SC
ISC
DO
SENCOM
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