Ex Marking; Description Of Model Numbers - ABB CoriolisMaster FCH400 Series Operating Instructions Manual

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
Explosion protection
Without
ATEX / IECEx (Zone 2 / 22)
ATEX / IECEx (Zone 1 / 21)
cFMus version, Class 1, Div. 2 (Zone 2 / 21)
cFMus version, Class 1, Div. 1 (Zone 1 / 21)
NEPSI (Zone 2 / 22)
NEPSI (Zone 1 / 21)
Design / terminal box material / cable glands
Integral mount - see transmitter housing
Remote mount / aluminum / 1 × M20 × 1.5
Remote mount / aluminum / 1 × NPT ½ in
Remote mount / stainless steel / 1 × M20 × 1.5
Remote mount / stainless steel / 1 × NPT ½ in
Nominal diameter / nominal connection diameter
Process connection
Material for wetted parts
Stainless steel
Polished stainless steel
Nickel alloy
Flow rate calibration
Density calibration
FCa4c d m f
Y0
A2
A1
F2
F1
S2
S1
Y0
U1
U2
A1
A2
xxxxx
g h i j k
xx
A1
H1
C1
x
x
l m