KROHNE BM 70 M - Manual (Page 82)

82 BM 70 M
Annex B: Type code / nameplates
The type code is made up of the following elements:
(1)
BM 70M . / . / . – E Ex ... . ........ - ..
1 2 3 4 5 6 7 8 9 10 11
_______________________________ ____________________
SIGNAL CONVERTER FLANGE SYSTEM
1 Tank level measuring device
2 Signal converter series 70M Marine
i intrinsically safe I/O function 3 Type of protection symbol for signal
outputs
unassigned non-intrinsically safe I/O function
E compartment in Increased Safety "e"
(standard) 4 Type of protection symbol for the
terminal compartment
D compartment as Flameproof
Enclosure "d" (option)
S extended temperature range from
-40°C to +60°C 5 Ambient temperature range
unassigned standard temperature range from
-20°C to +60°C
6 Territorial application for explosion
protection certification E Europe (EC, CENELEC)
7 Safety function Ex explosion-protected electrical
equipment
V96 flange system V96 8 Flange system series
SA flange system SA
unassigned stainless steel (standard) 9 Type of waveguide window
H Hastelloy
Materials of wetted parts
SS stainless steel
HB Hastelloy B (V96 only)
HC Hastelloy C (V96 only)
Ti titanium (V96 only)
Ta tantalum (V96 only)
antennas and flanges including
coating
Mo Monel
K6375 Kalrez
6375
K4079 Kalrez 4079
K2035 Kalrez 2035
K1091 Kalrez 1091
FPM Viton
10
gasket materials
FEP FEP sheathed gasket
11 Field of application, Device Group II 1G Category 1G (use in Zone 0)
(1) places not needed in the type code may be omitted