ABB CoriolisMaster FCB400 Series - Ex Marking; Description of Model Numbers

8 CoriolisMaster FCB400, FCH400 CORIOLIS MASS FLOWMETER | OI/FCB400/FCH400-EN REV. E
… 2 Use in potentially explosive atmospheres
Ex marking
Description of model numbers
Each device design has a specific model number. The parts of the model number relating to explosion protection are listed in the
following table. The complete key to model numbers is described in the device data sheet.
Basic model
FCa4c d m f g h i j k l m
Explosion protection
Without
Y0
ATEX / IECEx (Zone 2 / 22)
A2
ATEX / IECEx (Zone 1 / 21)
A1
cFMus version, Class 1, Div. 2 (Zone 2 / 21)
F2
cFMus version, Class 1, Div. 1 (Zone 1 / 21)
F1
NEPSI (Zone 2 / 22)
S2
NEPSI (Zone 1 / 21)
S1
Design / terminal box material / cable glands
Integral mount - see transmitter housing
Y0
Remote mount / aluminum / 1 × M20 × 1.5
U1
Remote mount / aluminum / 1 × NPT ½ in
U2
Remote mount / stainless steel / 1 × M20 × 1.5
A1
Remote mount / stainless steel / 1 × NPT ½ in
A2
Nominal diameter / nominal connection diameter
xxxxx
Process connection
xx
Material for wetted parts
Stainless steel
A1
Polished stainless steel H1
Nickel alloy
C1
Flow rate calibration
x
Density calibration
x