Date Of Manufacture - Siemens SIPROCESS GA700 Compact Operating Instructions

Introduction

1.5 Date of manufacture

Device MLFB number
1)
variant
G 7MB3000-xxxxx-xxGx
7MB301x-2xxxx-xxBx
7MB301x-3xxxx-xxBx
7MB302x-2xxxx-xxxx
7MB304x-2xxxx-xxxx
7MB302x-3xxxx-xxxx
1) Machine-readable product designation
One flame arrestor each is required in the sample gas path and reference gas path for the OXYMAT 7
2)
For devices with 7MB301x-3xxxx-xxxx, T80 °C/T4 applies, otherwise T65 °C/T4
3)
1.5 Date of manufacture
Year of manufacture
The date of manufacture is included as coded information in the serial number (see rating plate).
Details on the coding can be found in the following table.
Production year
1950, 1970, 1990, 2010
1951, 1971, 1991, 2011
1952, 1972, 1992, 2012
1953, 1973, 1993, 2013
1954, 1974, 1994, 2014
1955, 1975, 1995, 2015
1956, 1976, 1996, 2016
1957, 1977, 1997, 2017
1958, 1978, 1998, 2018
1959, 1979, 1999, 2019
1960, 1980, 2000, 2020
1961, 1981, 2001, 2021
1962, 1982, 2002, 2022
10
Ignition protection type
II 2G Ex pyb db ib op is IIC T4 Gb (for gases that are
potentially explosive occasionally)
II 3G Ex ec db ib nA nC op is IIC T4 Gc
II 3D/2G Ex pyb db ib op is IIIC/IIC T65°C ... T80°C/T4 Dc/Gb
(for gases that are potentially explosive occasionally)
II 3D Ex tc db ib op is IIIC T65°C ... T80°C Dc
II 2G Ex pxb ib IIC T3 Gb (for gases that are potentially
explosive occasionally)
2)
II 3D/2G Ex pxb ib IIIC/IIC T130°C/T3 Dc/Gb (for gases that
are potentially explosive occasionally)
II 3D Ex tc ib IIIC T130°C Dc
2)
2)
3)
2)
Code Month
1)
A January
B February
C March
D April
E May
F June
H July
J August
K September
L October
M November
N December
P
Compact Operating Instructions, 01/2022, A5E35134047-11
ATEX and IECEx certifi‐
cates
Wall-mounted device:
BVS 14 ATEX E 153 X
IECEx BVS 14.0104X
3)
Code
1)
1
2
3
4
5
6
7
8
9
O
N
D
Devices in explosion-proof design