Elster Instromet Q Скачать руководство пользователя страница 12

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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

P Fuchs
GmbH
68307 Mannheim
Germany

P Fuchs
GmbH
68307 Mannheim
Germany

Page 12 of 13

Содержание Q

Страница 1: ...Instruction Manual Turbine Gas Meter and Quantometers Type TRZ TRZ2 TRZ IFS Q ...

Страница 2: ...ulse generators 7 8 Pressure test point 7 9 Temperature test points 8 10 Counter versions 9 11 Absolut ENCODER 9 12 Commissioning 10 13 Maintenance and lubrication 11 14 Care and cleaning 11 15 Recycling and environmental protection 11 16 Annex A ATEX approvals 12 17 Annex B Plastics used 13 All rights reserved Subject to technical modification Page 2 of 13 ...

Страница 3: ...cation media on request This product is not intended for metering of aggressive gases e g biologically produced methane or sewage gases oxygen acetylene Turbine gas meter with volume corrector 1 Meter housing 2 Measuring cartridge 3 Counter head 4 HF pulse generator 5 LF pulse generator 6 Pressure test point with three way cock 7 Temperature test point 8 Electronic volume corrector Please contact ...

Страница 4: ...ed contact HF pulse generator in accordance with DIN EN 50227 Umax 24 V Urated 8 V DC Imax 50 mA I 2 1 mA exposed I 1 2 mA covered Pmax 0 25 VA U 5 9 V exposed U 6 8 V covered Ri 100 Ω series resistor Ri 1 kΩ Absolut ENCODER S1 Encoder S1 Counter Number of digit rollers 8 Temperature range 20 C to 60 C Safety class IP 67 NAMUR II 2 G EEx ia IIC T4 or SCR II 2 G EEx ib IIB T4 or Interfaces ATEX app...

Страница 5: ...ators for gas Other restrictor devices L 2D Flow conditioner e g BLN 1 L 2D No flow conditioner L 5D Flow conditioner recommended If you wish to mix in odorisation agents or use solenoid valves please always fit them only downstream of the meter Otherwise the device may be damaged The flow through the meter must be free of vibration pulsation in order to avoid measuring errors Compliance with the ...

Страница 6: ...truments used provide correct results 6 Installation connection Warning Never clean the plastic cover of the counter with a dry cloth owing to the risk of explosion resulting from electrostatic discharge Please only ever use an adequately moistened cloth Before installation please ensure that the protective caps and or plastic sheeting is or are removed that the meter and accessories have been ins...

Страница 7: ...d cable to the external device You can use HF pulse generators for higher frequencies Types A1R and A1S if available HF pulse generators are screwed into the meter housing pressure tight However the connection plug can be turned Assign the terminals on the plug in accordance with the pin assignment on the unit Use a screened cable to the external device Pulse generators for subsequent installation...

Страница 8: ...BL ANSI 300 EBL ANSI 600 EBL GGG 50 GS GGG 45 45 80 GS 45 45 GGG 50 50 100 GS 50 50 GGG 50 50 150 GS 50 50 GS 58 58 200 St 67 GS 95 95 250 St 160 160 160 160 160 300 St 160 160 160 160 160 400 St 160 160 160 160 160 500 St 160 160 160 160 160 6 mm 600 St 160 160 160 160 160 GGG Spheroidal graphite cast iron GS Cast steel St Welded steel EBL Rounded installation length of the thermowell in mm Note ...

Страница 9: ...tter unit on meters with mechanical index drive counter head version II The encoder is suitable for connection to a series connected additional device volume corrector datalogger or bus system in potentially explosive atmospheres see table Technical data A device connected to the terminal box must feature at least the following approval as a related equipment for this EEx ia IIC for version with N...

Страница 10: ... our After Sales Service for such conversion work weatherproof When fitting the seals and gaskets ensure that they are aligned concentrically and do not project into the flow channel 12 Commissioning For meters without oil pump continue with point Placing the system into operation Meters with oil pump must be provided with initial lubrication Before commissioning First open the cover on the oil su...

Страница 11: ...are and cleaning Clean off dirt on the meter only with a damp cloth Any media gentle on the applicable materials can be used as cleaning media Do not clean the transparent tank of the oil pump with solvent 15 Recycling and environmental protection ELSTER has reduced the transport packagings of the measuring instruments to the bare essentials Packaging materials are always selected consistently wit...

Страница 12: ...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 e...

Страница 13: ...breviation Chem name Pulse generators PA 6 6 Polyamide Flow bodies PAMXD6 Polyarylamide Gears and small parts POM Polyoxymethylene Counter cover and counter PC Polycarbonate Counter bottom section PPA Polyphthalamide Digit rollers PA 12 PPO Polyamide Polyphenylene oxide All rights reserved Subject to technical modification Page 13 of 13 ...

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