Elster Instromet TRZ2 - Annex A: Pulse Generator ATEX Approvals; LF Pulse Generator Approvals; HF Pulse Generator Approvals

16. Annex A
The pulse generators used in turbine gas meters have their own ATEX approvals (Ex approvals)
and are marked in accordance with the table below:
Pulse
generator,
Type
Designation of
the sensors
EC Type-Examination
Certificate
Directive 94/9/EC
Identification of the
pulse generators
Manufacturer
Reed contacts:
KSK-1A81-0810
KSK-1C97-1020
2322
KSK-1B90U-
BV09904
TÜV 03 ATEX 2123
Ex marking:
II 2 G EEx ia IIC T4
Elster GmbH
55252 Mainz-Kastel
Germany
LF pulse
generators
IN-S..
PCB E1
IN-W11
Wiegand sensor:
Series 2000
magnetic sensor
FTZÚ 04 ATEX 0277
Ex marking:
II 2 G EEx ia IIC T6/T4
TÜV 01 ATEX 1776
Ex marking:
II 2 G EEx ia IIC T4
Premagas s.r.o.
91601 Stará Turá
Slovakia
Elster GmbH
55252 Mainz-Kastel
Germany
Inductive
proximity switch:
N 95000
PTB 01 ATEX 2192
Ex marking:
II 1 G EEx ia IIC T6
IFM Electronic GmbH
45127 Essen
Germany
HF pulse
generators
A1 R, A1 S
Inductive
proximity
switches:
NJ 1,5-10 GM-N
NJ 1,5-8 GM-N
(old version)
(Both versions
with identical
electrical system)
*) NJ 3,5-12 GK-
N (old version)
(Same electr.
system as
NJ 4-12 GK-N)
NJ 1,5-6,5-N
(TRZ DN 50 only)
PTB 00 ATEX 2048 X
Ex marking:
II 1 G EEx ia IIC T6
PTB 00 ATEX 2048 X
Ex marking:
II 2 G EEx ia IIC T6 *
*) NJ 3,5-12 GK-N
Pepperl + Fuchs
GmbH
68307 Mannheim
Germany
Pepperl + Fuchs
GmbH
68307 Mannheim
Germany
All rights reserved. Subject to technical modification. Page 12 of 13