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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

Содержание RABO G16

Страница 1: ...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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Страница 3: ...Instruction Manual Rotary Gas Meters Type RABO RABO G16 G250 ...

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Страница 5: ...ition Flow Direction 11 7 Installation Connection 11 8 Lubrication and Maintenance 13 9 Commissioning 14 10 Decommissioning 14 11 Function Check 14 12 Pulse Generators 15 13 Pressure Test Point 16 14 Temperature Test Points 16 15 Index Versions 17 16 Absolute ENCODER S1D 18 17 Care and Cleaning 20 18 Recycling and Environmental Protection 20 19 Annex A ATEX Approvals 21 20 Annex B Plastics Used 22...

Страница 6: ...ir nitrogen inert gases and is suitable for use in potentially explosive atmospheres of Category 2 Zone 1 of Class EX II 2 G c IIC Other fields of application media on request This product is not intended for metering of aggressive gases e g biogases or sewage gases oxygen acetylene hydrogen 2 Legal Declarations Declaration of Conformity see Annex C Period of validity of calibration this is based ...

Страница 7: ... Housing cover front 7 HF pulse generator 3 Housing cover rear 8 Temperature test point 4 Pistons 9 Pressure test point 5 Index head 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 ...

Страница 8: ... 2 0 8 4 1 3 6 2 8 40 40 65 0 6 3 25 0 8 3 25 1 3 25 1 3 6 5 2 9 75 3 13 40 65 100 0 6 5 0 8 5 1 5 1 3 5 1 6 5 2 10 3 15 5 20 50 16 25 0 8 3 75 1 3 5 50 25 40 0 6 2 0 8 4 1 3 6 2 8 50 40 65 0 6 3 25 0 8 3 25 1 3 25 1 3 6 5 2 9 75 3 13 50 65 100 0 6 5 0 8 5 1 5 1 3 5 1 6 5 2 10 3 15 5 20 50 100 160 1 8 1 3 8 1 6 8 2 8 2 5 8 3 16 5 24 8 32 80 100 160 1 8 1 3 8 1 6 8 2 8 2 5 8 3 16 5 24 8 32 80 160 2...

Страница 9: ...ontact Wiegand pulse generator HF pulse generator acc to EN 60947 5 Umax 24 V Umax d 30 V Urated 8 VDC Imax 50 mA Imax d 100 mA I t 3 mA exposed Pmax 0 25 VA Pmax d 600 mW I d 1 mA covered Ri 100 series resistor Ri 1 k Absolute ENCODER S1D Absolut ENCODER S1D Index Number of Indexes 2 Number of digit rollers per index 8 Temperature ranges 25 C to 60 C Safety class IP 67 Interfaces and ATEX approva...

Страница 10: ...perating and ambient conditions as indicated on the type label is absolutely essential for safe operation of the meter and additional equipment The gas may not contain suspended particles 50 μm In addition the gas must be dry Otherwise the meter may be damaged To protect the meter a cone strainer with mesh size 250 μm must be installed on all new installations and is also recommended for existing ...

Страница 11: ...nly ever use an adequately water 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 inspected for transport damage that the pistons rotate easily in the measuring chamber e g by blowing on them that the accessories have been checked for completeness e g plug connectors oil for initial filling...

Страница 12: ...e meter housing or index head S1D only unstressed the piston axes must be horizontal check using a spirit level when fitting the seals and gaskets ensure that they are aligned concentrically and do not project into the flow channel weatherproof If you have specified the installation or operating position when ordering all attachments will have been fitted in accordance with the installation positi...

Страница 13: ...quantity is correct when the oil is visible in the threads of the oil level inspection borehole The required quantity of oil depends on the installation position for guidance see table below Reseal the oil filling and oil level inspection openings seal with O ring Once it has been commissioned the measuring instrument does not require any special servicing or oil level inspections Generally the oi...

Страница 14: ...duce an obstacle to flow The correct function of the rotary gas meter can be inferred by measuring the pressure loss If the pressure loss has increased by more than 50 compared to the value at the initial start up then there may be dirt for example in the measuring chamber that can lead to an incorrect result being obtained In comparing the pressure loss the load and the operating pressure must be...

Страница 15: ...ing cover The pulse values of the fitted pulse generators are stated on the meter Assign the terminals on the plug in accordance with the pin assignment on the unit The terminal assignment of the pulse generator is 5 and 6 The assignment refers to the plan view of the pin contacts of the fitted flange connector Use a screened cable to the external device in accordance with DIN 60079 14 Warning All...

Страница 16: ...ial combination of the union component and the pipe are matched We recommend that you contact our Elster Instromet Customer Service Tel 49 0 6134 605 0 346 for conversion work and when installing additional devices 14 Temperature Test Points You can use a maximum of two temperature sensors for measuring the gas temperature in the meter housing Note that temperature measurement on measuring systems...

Страница 17: ...ead S1 This has the same features as index head S1 Provides universal read off Index head S1D This has the same features as index head S1V It has two 8 digit mechanical roller indexes depending on the flow direction one index will be covered Meter with S1D can be used in all installation positions Index head MI 2 Provides universal read off Can be rotated up to 355 about its axis Can be optionally...

Страница 18: ...ib IIC for version with SCR and SCR Plus interface The version with M BUS interface is not ATEX approved Connection of the Absolute ENCODER S1D unit to the mechanical index drive of the meter Connect the connector of the top mounted unit to the mechanical index drive of the driving unit e g MI 2 ensure the steel disc is removed from the connector Use a locking screw to secure the encoder top mount...

Страница 19: ... The assignment of the lower two terminals in the connection box of the encoder index determines the direction of gas flow Bridge on lower terminals as delivered Upper index is activated Flow direction from bottom to top or from right to left Lower terminals unassigned Lower index is activated Flow direction from left to right or from top to bottom A pulse generator Type LF may be connected for pu...

Страница 20: ... are also made of recyclable plastic At Elster Instromet subsequent recycling and disposal are already elements of the product development process When selecting the materials we allow for reusability of the materials suitability of materials and subassemblies for dismantling and separation and the risks of environmental pollution and health risks when recycling and dumping on landfill sites The r...

Страница 21: ...021678b Elster GmbH All rights reserved Subject to technical modification 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 ...

Страница 22: ...Elster Instromet 22 73021678b Elster GmbH All rights reserved Subject to technical modification 20 Annex B Plastics used in rotary gas meters see also section 18 Recycling and Environmental Protection ...

Страница 23: ... Type Examination Notified Body 0102 Physikalisch Technische Bundesanstalt PTB D 38116 Braunschweig Notified Body 0085 DVGW D 53123 Bonn Surveillance Procedure Notified Body 0102 2004 22 EC Annex D Notified Body 0085 97 23 EG Module D We declare as manufacturer Products labelled accordingly are manufactured according of the listed Directives and Standards They correspond to the tested type samples...

Страница 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 73021678b 11 2012 TKGG ...

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