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Application and Operation 

 

UFM Series 6  

Safety Instructions 

Page 9 of 38 

 

3  Application and Operation 

3.1  System  

The ultrasonic flow meter comprises of the following main parts as listed 
below and seen in Figure

 3-1. 

The flow cell (in yellow) is the part of the 

ultrasonic flow meter that is mounted in the piping system. All other 
components are mounted on the flow cell.  

 

 

Figure 3-1: Example of an Elster Ultrasonic Gas Flow Meter 

SPU label 
(rear side) 

SPU 

Temperature 

Sensor  

(rear side) 

Main Type 
Plate 

Ultrasonic 
Transducer

Flow Cell 

Pressure 

Connection 

Pressure 

Sensor 

Summary of Contents for 6 Series

Page 1: ...73023465_A_EN i 2016 02 09 Doc 10000050186 ...

Page 2: ...Page 2 of 38 Safety Instructions UFM Series 6 Elster GmbH Steinern Strasse 19 21 D 55252 Mainz Kastel Germany Tel 49 6134 6050 Fax 49 6134 605 566 E Mail info elster instromet com ...

Page 3: ...acter Formats 8 3 Application and Operation 9 3 1 System 9 3 2 SPU 11 3 2 1 SPU Special Conditions for Safe Use 11 3 2 2 SPU Label 11 3 3 Hazardous Situations 15 3 4 Storage and Transportation 15 4 Installation 16 4 1 General 16 4 2 Wiring 16 4 3 System Specifications 18 4 3 1 DSL Network Connections TB2 J4 20 4 3 2 Outputs Communication TB3 20 4 4 Field Terminal Board 21 4 5 Transducer Connection...

Page 4: ...ents Page 4 of 38 Safety Instructions UFM Series 6 5 Electrical Parameters 23 6 Index 25 Appendix I References 26 Annex A Control Drawing FM 29 Annex B Control Drawing CSA 31 Annex C Safety Prescriptions 33 ...

Page 5: ...tions or need further details on specific matters concerning this product please do not hesitate to contact one of our staff members by email at aftersales elster instromet com or see more contact information on page 2 This document only contains safety information for an Elster Series 6 UFM For general information please refer to the Operation and Maintenance Manual for your particular flow meter...

Page 6: ...ot in line with its nature and or purpose Use of this product with unauthorized equipment or peripherals including but not necessarily limited to cables testing equipment computers voltage etc The manufacturer is not responsible for the incidental or consequential damages resulting from the breach of any express or implied warranties including damage to property and to the extent permitted by law ...

Page 7: ...may result in material damage and bodily harm or even death if disregarded Hazard warnings are described below Safety Instructions Safety instructions include notes and information which if disregarded may lead to functions not working correctly or not working at all Safety instructions are described below Tips and Recommendations Tips include notes and information that make it easier for the user...

Page 8: ...o continuous blue lines and the keyword Example 2 1 3 Character Formats Example Use See Chapter 3 3 Hazardous Situations p 15 References to additional information are marked with an arrow If the arrow refers to information within the document these references are formatted as hyperlinks in blue font You can go directly to the corresponding section by clicking on the blue text www docuthek com link...

Page 9: ...isted below and seen in Figure 3 1 The flow cell in yellow is the part of the ultrasonic flow meter that is mounted in the piping system All other components are mounted on the flow cell Figure 3 1 Example of an Elster Ultrasonic Gas Flow Meter SPU label rear side SPU Temperature Sensor rear side Main Type Plate Ultrasonic Transducer s Flow Cell Pressure Connection Pressure Sensor ...

Page 10: ...y or by remote control for example by means of a PC with the SonicExplorer software as part of your specific flow meter Caution The ultrasonic flow meter is intended for flow measurement as indicated on the SPU label and the flow meter main type plate Never exceed any limitations for use Tip This document provides essential details for safe installation and maintenance of the ultrasonic flow meter...

Page 11: ...mation on the dimensions of the flameproof joints The enclosure is provided with special fasteners of property class A2 70 These special fasteners are only available from Elster For FM approved products refer to Annex A Control Drawing FM for particular requirements 3 2 2 SPU Label The ultrasonic flow meter is available with approval for use in hazardous areas according to ATEX IECEx FM Approval o...

Page 12: ...ification information Classification Ex II 2 G Ex d ia ia IIB H2 T6 Gb IP66 50 C Tamb 60 C ATEX markings II 2 G 0044 o 0044 is the Notified Body number of DEKRA Certification B V ATEX certificate reference DEKRA 11ATEX0170 X Warning Read instruction manual before operating device Figure 3 2 Example of an ATEX Label IECEx Certification The explosion proof housing has following IECEx certification i...

Page 13: ... I Division 1 Group A B C and D Intrinsically safe for Class I Division 1 Group A B C and D Ta 40 F to 140 F 40 C to 60 C T6 Type 4X FM approved mark Installation requirement Seal fitting required within 1 5 inches of enclosure Warning Read Instruction Manual Control Drawing 03 304 001 003 05 2 before operating device A copy of the control drawing is available in Annex A Control Drawing FM p 29 Fi...

Page 14: ...ion requirement Seal all conduit within 1 50 inches in group B C Warnings o Substitution of components may impair intrinsic safety o Read Instruction Manual control drawing 03 304 001 004 05 2 before operating device A copy of the control drawing is available in Annex B Control Drawing CSA p 31 WARNING Always refer to the label on the product itself for the correct information for your particular ...

Page 15: ...eath The meter can be used for media within a specified range Take care of proper grounding of the meter To prevent water entering the electronics enclosure firmly tighten the box when closing Make sure O rings on the covers are correctly fitted and in good condition Take care that no dirt particles are present on the gasket on the back compartment before closing Also Please see Annex C Safety Pre...

Page 16: ...ion of the ultrasonic flow meter in the pipeline is provided in the Operation and Maintenance manual of your particular flow meter latest valid revision This chapter provides information on the electrical user connections available on the SPU see Figure 3 1 For additional wiring information see document UFM Series 6 Wiring Instructions listed in Appendix I References at the back of this manual 4 2...

Page 17: ...levant requirements of the latest edition of the National Electrical Code ANSI NFPA 70 Installations shall comply with the latest edition of the manufacturer s instruction manual For intrinsically safe installation in the United States of America electrical equipment connected to the Associated Apparatus shall not use or generate more than 250 volts rms For guidance on installations in the United ...

Page 18: ...y or transportation plugs The connection between each gland or stopping plug and the enclosure must comply with the NEMA or IP class and the temperatures indicated on the SPU e g by using a suitable IP washer During transport and storage the electronics enclosure back and main compartment may contain a bag of silica gel to absorb excessive humidity Remove the bags before powering the SPU 4 3 Syste...

Page 19: ...vice is energized The electronics requires a preferably 24VDC nominal power supply A combined power supply and communication cable between the electronics enclosure and the external equipment can be used For example 2x2 wire min Ø 0 5 mm twisted pair max 700m max 5Ω wire Armoured shielded cable is recommended to provide protection against mechanical damage and electrical interference Cathodic Prot...

Page 20: ...ve active 4 20mA analogue outputs 16 bit resolution Two opto coupler outputs max 30VDC 12mA shared with analogue outputs Two RS232 RS485 software configurable ports o Cable 3 x 2 wire min 0 5 mm2 shielded max 15m max 2 5 Ohm wire o Programmable up to 38400 bps Maximum cable core 1 5 mm2 IS Inputs optional TB4 TB5 For electrical parameters refer to Chapter 4 4 Field Terminal Board p 21 Two isolated...

Page 21: ...nclosure is for customer connections 4 5 Transducer Connections The Analogue board PCB has a terminal block to connect the transducers for each transducer and the optional pressure sensor The transducers are connected using a single connector Figure 4 1 Field Terminal Board in Electronics Enclosure Figure 4 2 Field Terminal Board with Labelled Connections ...

Page 22: ...the blind plug should be replaced with appropriate sealant for the application Hold the Pr point adapter with a 30mm wrench while removing the blind plug or fitting new connections 4 7 Maintenance For maintenance refer to the UFM Series 6 Operation and Maintenance Manual for your particular meter latest valid revision Please see Appendix I References for a complete list of resources Attention ALWA...

Page 23: ...P and P for pm flow pressure sensor In type of protection intrinsic safety with the following maximum values Uo 23 1 V Io 109 mA Po 629 mW Lo 1 mH Co 0 1 μF Terminals IS_opt_A1 IS_opt_A2 IS_opt_A3 IS_opt_A4 4 wire PT 100 external temperature sensor input with label IS_opt_A1 IS_opt_A4 IS_opt_A2 and IS_opt_A3 circuit terminals I I U and U In type of protection intrinsic safety with the following ma...

Page 24: ...ulse input 2 with label IS_opt_B2 and IS_opt_B4 circuit terminals Z2 and Z2 In type of protection intrinsic safety with the following maximum values Uo 9 1 V Io 37 mA Po 84 mW Lo 10 mH Co 0 5 μF Table 2 Intrinsically Safe Parameters Non Intrinsically Safe Terminals TB1 1 2 3 Power supply connection Um 250V pins 3 24VDC nom 18 30 VDC 20 W 2 0 V 1 Do not connect see Chapter 4 Installation p 16 Termi...

Page 25: ... Board 21 FM Approval 17 FM Certification 13 G General Terms and Conditions 6 I IECEx Certification 12 Installation 16 Intrinsically Safe Terminals 23 L Limitation of Liability 5 N Non Intrinsically Safe Terminals 24 O Outputs Communication TB3 20 P Paragraph formats 8 Power connection TB1 18 Pressure Connection 22 R References 26 S Safety instructions 7 SPU 11 SPU Labels 11 Storage 15 System 9 T ...

Page 26: ...ration and Maintenance Manual SAP Ref 73023471 Doc No 10000050192 last valid revision 3 UFM Series 6 Q Sonicmax Operation and Maintenance Manual SAP Ref 73023477 Doc No 10000051506 last valid revision 4 UFM Series 6 Wiring Instructions SAP Ref 73023470 Doc No 10000050191 last valid revision 5 UFM Series 6 Shipping and Storage Manual SAP Ref 73023469 Doc No 10000050190 last valid revision 6 UFM Ser...

Page 27: ...ast valid revision 10 UFM Series 6 Exchanging PCB boards in TIP SAP Ref 73023474 Doc No 03 303 101 000 02 2 last valid revision 11 UFM Series 6 Exchanging Boards at the Rear Compartment of the SPU SAP Ref 73023475 Doc No 03 302 101 000 02 2 last valid revision 12 External VDSL Range Extender User Manual SAP Ref 73023483 Doc No 10000050357 last valid revision 13 UFM Series 6 SonicExplorer Software ...

Page 28: ...Page 28 of 38 Safety Instructions UFM Series 6 ...

Page 29: ...UFM Series 6 Safety Instructions Page 29 of 38 Annex A Control Drawing FM Drawing 03 304 001 003 05 2 FM Approved ...

Page 30: ...Annex A Control Drawing FM Page 30 of 38 Safety Instructions UFM Series 6 ...

Page 31: ...UFM Series 6 Safety Instructions Page 31 of 38 Annex B Control Drawing CSA Drawing 03 304 001 004 05 2 CSA Approved ...

Page 32: ...Annex B Control Drawing CSA Page 32 of 38 Safety Instructions UFM Series 6 5 ...

Page 33: ... non exhaustive list of important safety prescriptions for a Series 6 Ultrasonic Flow Meter At dispatch the latest version of this Annex is attached to the UFM For safety reasons it is required to read and understand the entire document to which this Annex belongs UFM Series 6 Safety Instructions Ref 73023465 last valid revision ...

Page 34: ...itable properly fitted lifting lugs o Take care that the meter will be installed on a vibration free location Continuous vibration or shocks may have disadvantageous effect on the construction of the flow meter o The back and main compartments of the electronics enclosure may be provided with a silica gel bag in the Explosion proof box Before powering take the silica gel bag out of the enclosure o...

Page 35: ...can cause the ultrasonic flow meter to operate incorrectly Installation maintenance and replacement may only be carried out by qualified personnel under safe conditions Always use a gas detector during servicing of the meter Obey the rules and regulations that apply to hazardous area operations and those with respect to custody transfer regulations sealing Pressurized parts involved When executing...

Page 36: ... suitable to handle In case of retractable transducers it is only allowed to exchange these retractable transducers during operation of the meter when the procedure for exchanging transducers as described in the manual from the manufacturer is strictly followed Be careful when removing transducers media from the process line may still come out This media can be poisonous inflammable or dangerous i...

Page 37: ... the meter environment weather influence ATTENTION Removing Internal Coating and Tape BEFORE INSTALLATION REMOVE CONSERVING COATING INSIDE SPOOLPIECE Before this ultrasonic gas flow meter was shipped a conservative protection layer was applied on the inside of the meter It was applied immediately after the internal of the meter had been in contact with the atmosphere oxygen and should be removed p...

Page 38: ...move Tectyl coating use cloth and a solvent e g solvent thinner Avoid the use of chlorinated or highly aromatic solvents If the Tectyl layer is dried out removal of it will take some effort Do not clean the face of the transducer with solvent If cleaning of the transducer is needed which should not be the case use only a dry cloth Oil Oil coating has been applied if its type reference is mentioned...

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