Elster RABO Series Instruction Manual

Elster RABO Series Instruction Manual

Rotary gas meters

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Instruction Manual
Rotary Gas Meters
Type RABO
Betriebsanleitung
Drehkolbengaszähler
Typ RABO
Mode d`emploi
Compteur de gaz à pistons rotatifs
Type RABO
Manual de instrucciones
Contador de gas de pistones rotativos
Modelos RABO
Instruzioni d`uso
Contatore gas a pistoni rotanti
Tipo RABO
Gebruiksaanwijzing
Rotorgasmeters
Type RABO

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Summary of Contents for Elster RABO Series

  • Page 1 Instruction Manual Rotary Gas Meters Type RABO Betriebsanleitung Drehkolbengaszähler Typ RABO Mode d`emploi Compteur de gaz à pistons rotatifs Type RABO Manual de instrucciones Contador de gas de pistones rotativos Modelos RABO Instruzioni d`uso Contatore gas a pistoni rotanti Tipo RABO Gebruiksaanwijzing Rotorgasmeters Type RABO...
  • Page 3 Instruction Manual Rotary Gas Meters Type RABO RABO G16-G250...
  • Page 5: Table Of Contents

    18. Recycling and Environmental Protection ............20 19. Annex A (ATEX Approvals) ................21 20. Annex B (Plastics Used) ................... 22 21. Annex C (Declaration of Conformity) ............... 23 73021678b © Elster GmbH • All rights reserved • Subject to technical modifi cation...
  • Page 6: Staff

    Other fi elds of application / media on request. This product is not intended for metering of aggressive gases, e.g. biogases or sewage gases, oxygen, acetylene, hydrogen. 73021678b © Elster GmbH • All rights reserved • Subject to technical modifi cation...
  • Page 7 Please contact your Elster-Instromet Customer Service (Tel. +49 (0)6134-605-0 / -346) for assistance in commissioning, maintenance and installation of encoders, pulse generators and volume correctors for instance. 73021678b © Elster GmbH • All rights reserved • Subject to technical modifi cation...
  • Page 8: Technical Data

    3,25 3,25 3,25 9,75 3,75 3,25 3,25 3,25 9,75 3,75 3,25 3,25 3,25 9,75 12,5 12,5 12,5 12,5 12,5 37,5 12,5 12,5 12,5 12,5 12,5 37,5 73021678b © Elster GmbH • All rights reserved • Subject to technical modifi cation...
  • Page 9 M-BUS (without ATEX) LF pulse generator optional or retrofittable INS-10, -11, -12 = 24 V, I = 50 mA, P = 0,25 VA, = 100 (series resistor) 73021678b © Elster GmbH • All rights reserved • Subject to technical modifi cation...
  • Page 10: Operating Location

    fl ow from bottom to top, a strainer must be fi tted to both the meter inlet and outlet (to protect against falling dirt). 73021678b © Elster GmbH • All rights reserved • Subject to technical modifi cation...
  • Page 11: Installation Position, Flow Direction

    16 - 22 mm into the meter is guaranteed. The recommended maximum tightening torque is defi ned in the table. 73021678b © Elster GmbH • All rights reserved • Subject to technical modifi cation...
  • Page 12 90°. We recommend that you contact our Elster-Instromet Customer Service (Tel. +49 / (0)6134-605-0 / -346) for such conversion work. 73021678b © Elster GmbH • All rights reserved • Subject to technical modifi cation...
  • Page 13: Lubrication And Maintenance

    Make sure that the oil is drained out before transporting the meter (e.g. when sending the meter for repairs), otherwise the oil will penetrate the measuring chamber and damage the meter. 73021678b © Elster GmbH • All rights reserved • Subject to technical modifi cation...
  • Page 14: Commissioning

    The pressure loss is proportional to the absolute pressure (p ) and the square of the fl ow rate (Q). ∆p ~ p 73021678b © Elster GmbH • All rights reserved • Subject to technical modifi cation...
  • Page 15: Pulse Generators

    Tamb = -40°C to +70°C. 73021678b © Elster GmbH • All rights reserved • Subject to technical modifi cation...
  • Page 16: Pressure Test Point

    If no temperature test points in the meter housing are planned, measure the temperature in the pipe upstream of the rotary gas meter at a distance of up to 3 x DN. 73021678b © Elster GmbH • All rights reserved • Subject to technical modifi cation...
  • Page 17: Index Versions

    Equipped with dry cartridge, lifetime of cartridge depends on installation conditions (minimum life 12 months), replace dry cartridge when colour has changed from blue to pink. 73021678b © Elster GmbH • All rights reserved • Subject to technical modifi cation...
  • Page 18: Absolute Encoder S1D

    When connecting the Namur interface, ensure that the 2-wire connection has the correct polarity. The M-Bus, SCR and SCR Plus interfaces are independent of the polarity. 73021678b © Elster GmbH • All rights reserved • Subject to technical modifi cation...
  • Page 19 A pulse generator (Type LF) may be connected for pulse output to external devices (e.g. a volume corrector). Fit the pulse generator (if required) as described above in section 12. 73021678b © Elster GmbH • All rights reserved • Subject to technical modifi cation...
  • Page 20: Care And Cleaning

    (pigment ratio 10 ml / 100 l oil) and, like all mineral oils (e.g. car engine oil), must be disposed of in an environmentally safe way. 73021678b © Elster GmbH • All rights reserved • Subject to technical modifi cation...
  • Page 21: Annex A (Atex Approvals)

    19. Annex A The pulse generators used in rotary gas meters have their own ATEX approvals (Ex approvals) and are marked in accordance with the table below: 73021678b © Elster GmbH • All rights reserved • Subject to technical modifi cation...
  • Page 22: Annex B (Plastics Used)

    Elster-Instromet 20. Annex B Plastics used in rotary gas meters, see also section 18 “Recycling and Environmental Protection”. 73021678b © Elster GmbH • All rights reserved • Subject to technical modifi cation...
  • Page 23: Annex C (Declaration Of Conformity)

    No additional ignition sources are created by assembly of the product’s components. 2.7.2012 Division Director MMI Head of R&D Industrial Gas Metering Elster GmbH, Postfach 1880, D – 55252 Mainz-Kastel, Steinern Straße 19-21 73021678b © Elster GmbH • All rights reserved • Subject to technical modifi cation...
  • Page 24 Elster GmbH Steinern Straβe • 19 55252 Mainz-Kastel Tel. +49 (0)6134/605-0 • Fax +49 (0)6134/605-390 www.elster-instromet.com...

This manual is also suitable for:

Rabo g16Rabo g250

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