GE Masoneilan 12420 - 3. Marking and Numbering System; 3.1. Marking; 3.2. Numbering System

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3. Marking – Numbering System
3.1. MARKING
The firm plate (124) is applied on the top of the mechanical
compartment housing.
The following data are indicated: manufacturer contact details,
serial number, year of manufacturing and instrument electric
characteristics.
ATEX marking is described in 400152322 ATEX instruction
manual which is supplied with every 12400.
Figure 2 - Marking
3.2. NUMBERING SYSTEM
Note: only the Transmitter function is SIL certified.
12 4 a b
—
C d
Model Action Mounting Hazardous Protection Housing Material
4 – HART
®
communication protocol,
LCD display and pushbuttons, SIL Certified
1 – Controller with
adjustable switches
and second 4-20mA
analogue output
signal:
AO_1, AO_2,
DO_1, DO_2
2 – Transmitter: AO_1
3 – Transmitter with
adjustable switches
and second 4-20mA
analogue output
signal:
AO_1, AO_2,
DO_1, DO_2
0 – Top and bottom,
Screwed, BW or SW
1 – Top and bottom, Flanged
2 – Side and side, Flanged
3 – Top vessel, Flanged
4 – Side vessel, Flanged
5 – Top and side,
Screwed, BW or SW
6 – Side and bottom,
Screwed, BW or SW
7 – Side and bottom, Flanged
8 – Top and side, Flanged
9 – Side and side,
Screwed, BW or SW
1 – FM & FMc (ex CSA)
Intrinsically Safe,
Explosion proof, nL and
Nema 4X-6P
2 – JIS,
Explosion proof
3 – Rosteknadzor,
Intrinsically Safe,
Explosion proof, nL
and IP 66/67
4 – Inmetro,
Intrinsically Safe,
Explosion proof, nL
5 – ATEX & IECEx
Intrinsically Safe,
Explosion proof, nL
and IP 66/67
6 – Other approvals
(based on ATEX/IEC
approvals)
7 – Other approvals
(not based on
ATEX/IEC approvals)
1 – Aluminum with
epoxy painting
2 – 316L Stainless
steel