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Chapter 4. Specifications

DigitalFlow™ Multipurpose Ultrasonic Liquid Flowmeter Startup Guide (1- and 2-Channel)

4.4 Transducer Specifications

The transducer specifications for the Model DF868 flowmeter are divided into the following categories:

4.4.1 Wetted Ultrasonic Flow Transducers

4.4.1a Temperature Range

Standard: –40° to 212°F (–40° to 100°C)
Optional: –310° to 1112°F (–190° to 600°C)

4.4.1b Pressure Range

Standard: 0 to 3,000 psig (0.1013 to 20 MPa)
Optional: Higher pressures upon request.

4.4.1c Materials

Standard: 316 stainless steel

Optional (for isolating Pan-Adapta Plugs): Titanium, Hastelloy

, PVC, PVDF and others.

4.4.1d Process Connections

Standard: 1” NPTM or 3/8” NTPM
Optional: RF flanged, socket weld, fuse bond and others.

4.4.1e Mounting

Spoolpiece, hot tap, cold tap.

4.4.1f

Area Classifications

Standard:

General-purpose

Optional:
Explosion proof:

Class I, Div. 1, Groups C & D; Class II, Groups E, F and G; Class III

Flameproof:

II 2 G EEx d IIC T6

Weatherproof:

Type 4/IP65.

Submersible.

Содержание DigitalFlow DF868

Страница 1: ...GE Measurement Control Flow 910 176U Rev E1 February 2016 DigitalFlow DF868 Multipurpose Ultrasonic Liquid Flowmeter Startup Guide 1 and 2 Channel...

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Страница 3: ...al Electric Company All rights reserved Technical content subject to change without notice GE Measurement Control DigitalFlow DF868 Multipurpose Ultrasonic Liquid Flowmeter Startup Guide 1 and 2 Chann...

Страница 4: ...ii no content intended for this page...

Страница 5: ...to the equipment unless these instructions are followed carefully WARNING This symbol indicates a risk of potential serious personal injury unless these instructions are followed carefully WARNING It...

Страница 6: ...Electronic Equipment WEEE take back initiative directive 2012 19 EU The equipment that you bought has required the extraction and use of natural resources for its production It may contain hazardous...

Страница 7: ...talling a Flowcell 3 1 5 Installing Temperature Transmitters 4 1 6 Mounting the DF868 Electronic Console 4 1 7 Making Electrical Connections 5 1 7 1 Wiring the Line Power 5 1 7 2 Wiring the Transducer...

Страница 8: ...System Data for a Channel 19 2 5 1 1 Channel Meter 19 2 5 2 2 Channel Meter 20 2 5 3 1 and 2 Channel Meters 21 2 6 Entering Pipe Data 24 2 6 1 Transducer Number 24 2 6 2 Pipe Material 25 2 6 3 Pipe O...

Страница 9: ...1 4 2 5 Hazardous Classified Location Compliance 41 4 2 6 Input Output Specifications 42 4 3 Operational Specifications 43 4 3 1 Site Parameter Programming 43 4 3 2 Data Logging 43 4 3 3 Display Funct...

Страница 10: ...onic Liquid Flowmeter Startup Guide 1 and 2 Channel Appendix C Optional Enclosures C 1 Introduction 55 C 2 Rack Mount Enclosure 55 C 3 Rack Mount Wiring 55 C 4 Rack Mount Front Panel 56 Appendix D Mea...

Страница 11: ...me of which are potentially hazardous In such cases proper safety practices must be observed WARNING Be sure to follow all applicable local safety codes and regulations for installing electrical equip...

Страница 12: ...the transducers 1 3 3 Transducer Location For a given fluid and pipe the Model DF868 s accuracy depends primarily on the location and alignment of the transducers In addition to accessibility when pla...

Страница 13: ...tics identical to the GE cables Type RG 62 a u coaxial cable should be used and each cable must be the same length within 4 in 1 4 Installing a Flowcell A flowcell is the section of pipe where the tra...

Страница 14: ...itters on the flowcell If the pipeline is insulated the coupling may need to be extended to provide convenient access Of course other types of mounting ports including flanged ports may be used for th...

Страница 15: ...ing has been completed Once the Model DF868 is completely wired proceed to Chapter 2 Initial Setup to configure the unit for operation 1 7 1 Wiring the Line Power ATTENTION EUROPEAN CUSTOMERS To meet...

Страница 16: ...the positive and negative DC power leads and from the end of the ground lead 3 Connect the ground lead to the internal ground connection located on the side panel of the enclosure see Figure 3 IMPORT...

Страница 17: ...ansducer cables to the CH1 terminal block Then secure the cable clamp 4 For a 2 channel Model DF868 flowmeter repeat steps 2 3 to wire the Channel 2 transducer system to terminal block CH2 Note It is...

Страница 18: ...get confused Therefore connections that imply direction are changed to reflect their direction on the DCE side 4 Feed the flying leads end of the cable through the conduit hole and wire it to termina...

Страница 19: ...connect the Ethernet enabled DF868 to the network insert the jack of an RJ45 cable into the RJ45 connector route the cable through the bottom of the DF868 and wire the other end of the cable to the E...

Страница 20: ...ddress for a specific DF868 is included with customer documentation For more information on setting up the MAC address refer to Chapter 6 of the Programming Manual 1 7 4e Wiring the Foundation Fieldbu...

Страница 21: ...al ratings for the relays are listed in Chapter 4 Specifications Each of the three alarm relays can be wired either as Normally Open NO or Normally Closed NC In setting up an alarm relay it may be wir...

Страница 22: ...r supply for loop powered transmitters Either input may be used to process the temperature signal Note To enter programming data during operation of the meter it will be necessary to know which input...

Страница 23: ...an be calibrated with the Model DF868 s built in analog outputs However be certain that the analog outputs have been calibrated first See Chapter 1 Calibration in the Service Manual for the appropriat...

Страница 24: ...impedance for these circuits must not exceed 1000 ohms Wire this terminal block in accordance with the pin number assignments shown in Figure 10 on page 16 1 7 10 Wiring a MODBUS Option Card A modifie...

Страница 25: ...Chapter 1 Installation DigitalFlow Multipurpose Ultrasonic Liquid Flowmeter Startup Guide 1 and 2 Channel 15 Figure 9 Model DF868 Type 4X Enclosure ref dwg 425 208...

Страница 26: ...Chapter 1 Installation DigitalFlow Multipurpose Ultrasonic Liquid Flowmeter Startup Guide 1 and 2 Channel 16 Figure 10 Model DF868 Electronics Console Wiring ref dwg 702 213 sht 1 of 2...

Страница 27: ...ll be accessed ACTIV enables selection of the desired measurement method for a 2 Channel meter it is also used to activate a channel SYSTM prompts the user to enter the required system data PIPE promp...

Страница 28: ...following two step sequence is required to reach the initial programming screen Only the submenus ACTIV SYSTM and PIPE are discussed in this manual Refer to the Programming Manual for information on t...

Страница 29: ...er the 1 Channel or 2 Channel section below 2 5 1 1 Channel Meter For the 1 Channel Model DF868 the information entered in the SYSTM submenu pertains to the global operation of the flowmeter 1 At the...

Страница 30: ...r Press ENT 3 Enter a Channel Message of up to 21 characters Press ENT 4 Press F1 to turn the Energy Option OFF or press F2 to turn it ON The Energy Option calculates the energy of a system based on t...

Страница 31: ...c Unit Options English Volumetric Units Metric Volumetric Units GAL S U S Gallons per Second L S Liter per Second GAL M U S Gallons per Minute L M Liters per Minute GAL H U S Gallons per Hour L H Lite...

Страница 32: ...3 Use the F1 F4 keys to select the MDOT Decimal Digits the digits to the right of the decimal point for displaying mass flow 4 Use the F1 F4 keys to select the Mass Totalizer units listed in Table 5 5...

Страница 33: ...measurements in a Cooling system or F2 to make measurements in a Heating system 6 Press F1 to conduct Flow Measurement at the point of return where the liquid exits or F2 to measure flow at the point...

Страница 34: ...e choices are available Rayleigh or Shear wave for clamp on transducers or wetted transducers c Use the F1 F3 keys to select the Frequency of the special transducer IMPORTANT The frequency is required...

Страница 35: ...ER NUMBER prompt The option bar choices may appear in English or Metric units Obtain the required information by measuring either the pipe outside diameter OD or circumference at the transducer instal...

Страница 36: ...ls and their corresponding sound speeds b Enter the known Lining Thickness in the same units used for the pipe OD and press ENT Then proceed to step 9 2 6 6 Path and Axial Length 7 Enter the Path Leng...

Страница 37: ...l selections required OIL Select LUBE or CRUDE and press ENT W260 No additional selections required METH No additional selections required OIL No additional selections required ETH Enter the Fluid Sou...

Страница 38: ...tion Factor when the Depth of Reflector is set at 50 You can disable the Reynolds Correction Factor when the Depth of Reflector is set at any other value If you activated the Transit Time mode two ste...

Страница 39: ...ns the newly programmed information See the Programming Manual for instructions on using the SAVE submenu Proceed to Chapter 3 Operation for instructions on taking measurements or refer to the Program...

Страница 40: ...Chapter 2 Initial Setup 30 DigitalFlow Multipurpose Ultrasonic Liquid Flowmeter Startup Guide 1 and 2 Channel no content intended for this page...

Страница 41: ...Chapter 2 Initial Setup DigitalFlow Multipurpose Ultrasonic Liquid Flowmeter Startup Guide 1 and 2 Channel 31 Figure 11 Model DF868 Initial Setup Menu Map with Energy Option Turned OFF...

Страница 42: ...Chapter 2 Initial Setup DigitalFlow Multipurpose Ultrasonic Liquid Flowmeter Startup Guide 1 and 2 Channel 32 Figure 12 Model DF868 Initial Setup Menu Map with Energy Option Turned ON...

Страница 43: ...EC this unit requires an external power disconnect device such as a switch or circuit breaker The disconnect device must be marked as such clearly visible directly accessible and located within 1 8 m...

Страница 44: ...pane is called the locator bar While the meter is taking measurements the locator bar displays the name of the currently selected site file In addition the locator bar identifies the task that is cur...

Страница 45: ...s The Model DF868 is capable of displaying several different variables in a variety of formats However this manual will only discuss the basic measurement displays in the default screen format Refer t...

Страница 46: ...n this section the Model DF868 can be set up to display the desired channel option for a 2 Channel meter and the desired measurement parameter To utilize the more advanced display capabilities of the...

Страница 47: ...low MASS_U Avg Mass Flow MASS_U Ch1 Fwd Mass Totals MTOT_U Ch2 Fwd Mass Totals MTOT_U Avg Fwd Mass Totals MTOT_U Ch1 Rev Mass Totals MTOT_U Ch2 Rev Mass Totals MTOT_U Avg Rev Mass Totals MTOT_U Ch1 Ma...

Страница 48: ...Chapter 3 Operation 38 DigitalFlow Multipurpose Ultrasonic Liquid Flowmeter Startup Guide 1 and 2 Channel no content intended for this page...

Страница 49: ...Explosion proof 4 1 1b Physical Size 14 24 11 4 5 12 in 36 2 29 13 cm Weight 11 lb 5 kg 4 1 2 Environmental 4 1 2a Operating Temperature 4 to 131 F 20 to 55 C 4 1 2b Storage Temperature 67 to 167 F 55...

Страница 50: ...me Mode 400 1 4 1 5b TransFlection Mode 30 to 1 4 1 6 Repeatability 4 1 6a Transit Time Mode Wetted Transducers 0 2 of full scale Clamp on Transducers 0 2 to 0 5 of full scale 4 1 6b TransFlection Mod...

Страница 51: ...g applications 4 2 Electrical Specifications The electrical specifications for the Model DF868 flowmeter are divided into the following categories 4 2 1 Power Supply 4 2 1a Standard 100 to 130 VAC 50...

Страница 52: ...details 4 2 6 Input Output Specifications 4 2 6a Keypad 39 key membrane keypad with tactile feedback 4 2 6b Display Both single and dual channel models have two independent software configurable 64 x...

Страница 53: ...ltage 28 VDC DV Voltage 5A AC DC Current 60 VA AC Power 30 W DC Power General Purpose or 56 W DC Power Hermetically Sealed Note A maximum of six input output option boards may be installed 4 3 Operati...

Страница 54: ...1b Pressure Range Standard 0 to 3 000 psig 0 1013 to 20 MPa Optional Higher pressures upon request 4 4 1c Materials Standard 316 stainless steel Optional for isolating Pan Adapta Plugs Titanium Hastel...

Страница 55: ...ose Optional Explosion proof Class I Div 1 Groups B C D Class II Groups E F and G Class III Flameproof II 2 G EEx md IIC T6 T3 Weatherproof Type 4 IP65 Submersible Note Transducers spoolpieces and cla...

Страница 56: ...D 1 to 200 in 25 4 mm to 5 m and larger 4 5 2 Clamp On Transducers 4 5 2a Materials All metals and most plastics Consult the factory for concrete composite materials and highly corroded or lined pipes...

Страница 57: ...n external ground wire attached Note If the Model DF868 is wired as described in this appendix the unit will comply with the EMC Directive 89 336 EEC Table 16 Wiring Modifications Connection Cable Typ...

Страница 58: ...Appendix A 48 DigitalFlow Multipurpose Ultrasonic Liquid Flowmeter Startup Guide 1 and 2 Channel no content intended for this page...

Страница 59: ...cords B 1 Option Cards Installed Whenever an option card is installed in one of the Model DF868 s expansion slots record the type of card and any additional setup information in the appropriate row of...

Страница 60: ...or No Yes GLOBL COMM Meter Address Baud Rate CHx ACTIVE Channel 1 Channel 2 if applicable Channel Status Off1 Trans Tranfl Channel Status Off1 Trans Tranfl CHx SYSTM Channel 1 Channel 2 if applicable...

Страница 61: ...mp On and Wetted Transducers All Clamp On and Wetted Transducers Pipe O D Pipe O D Pipe Wall Pipe Wall Path Length P Path Length P Axial Length L Axial Length L Trans Angle Trans Angle Lining Yes No L...

Страница 62: ...in Visc Sig Stren Kin Visc 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 CHx SETUP ADVAN MULTIK Custom Type CstV CstR Custom Type CstV CstR K Fa...

Страница 63: ...yn K Factor 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 CHx SETUP ADVAN MASS Channel 1 Channel 2 if applicable Mass Flow No Yes Mass Flow No Yes Static Density Static Density CHx SETUP ADVAN CODEL...

Страница 64: ...Appendix B 54 DigitalFlow Multipurpose Ultrasonic Liquid Flowmeter Startup Guide 1 and 2 Channel no content intended for this page...

Страница 65: ...the front panel After the unit has been physically mounted into the rack proceed to the next section for instructions on wiring the meter C 3 Rack Mount Wiring The rack mount Model DF868 requires exac...

Страница 66: ...ort wiring in accordance with the instructions in Chapter 1 Installation of this manual 5 Wire any installed option cards using the same procedures described in Chapter 1 Installation of this manual a...

Страница 67: ...Appendix C Optional Enclosures DigitalFlow Multipurpose Ultrasonic Liquid Flowmeter Startup Guide 1 and 2 Channel 57 Figure 15 Model DF868 Rack Mount Enclosure ref dwg 712 1078...

Страница 68: ...Appendix C Optional Enclosures DigitalFlow Multipurpose Ultrasonic Liquid Flowmeter Startup Guide 1 and 2 Channel 58 REAR VIEW DC OPTION Figure 16 Model DF868 Rack Mount Enclosure Wiring Diagram...

Страница 69: ...Appendix C Optional Enclosures DigitalFlow Multipurpose Ultrasonic Liquid Flowmeter Startup Guide 1 and 2 Channel 59 Figure 17 Model DF868 Rack Mount Enclosure Front Panel Layout...

Страница 70: ...Appendix C Optional Enclosures DigitalFlow Multipurpose Ultrasonic Liquid Flowmeter Startup Guide 1 and 2 Channel 60...

Страница 71: ...L P is the transducer face to face distance and L is the axial projection of P in the flow stream To determine L physically measure the distance between the center of the transducer ports at the insi...

Страница 72: ...ed just outside the inside diameter ID of the pipe or slightly retracted inside the coupling Figure 19 Determining the Pipe Coupling Length Use the following formula to determine the P dimension ID 2...

Страница 73: ...CE Mark Compliance 1 47 Connecting See Part Name Connectors Electrical 5 D Dimensions Bench Mount 16 60 Rack Mount 15 57 59 Display Channel Mode Options 35 Components 34 Data 33 Locator Bar 34 Locato...

Страница 74: ...ation Table 49 Totalizer Frequency Outputs 13 Outline Bench Mount 16 60 Rack Mount 15 57 59 P Parameter Options 36 Password 18 Path Length Programming 26 PC Interface Software 45 Pipe Materials 45 Pip...

Страница 75: ...ature Transmitter Installing 4 Location 2 RTD 4 Terminal Block Analog Outputs I O 7 Power TB1 5 Serial Port RS232 7 Transducers CH1 CH2 7 Totalizer Frequency Option Card Connecting 13 T cont Transduce...

Страница 76: ...Index 66 DigitalFlow Multipurpose Ultrasonic Liquid Flowmeter Startup Guide 1 and 2 Channel no content intended for this page...

Страница 77: ...and fitness for a particular purpose and warranties arising from course of dealing or usage or trade Return Policy If a GE Sensing instrument malfunctions within the warranty period the following proc...

Страница 78: ...Warranty 68 DigitalFlow Multipurpose Ultrasonic Liquid Flowmeter Startup Guide 1 and 2 Channel no content intended for this page...

Страница 79: ...1 2007 EN60529 1991 A1 2000 II 2 G Ex d IIB H2 T6 Gb Ta 20 C to 60 C IP66 FM12ATEX0040X FM Approvals Ltd Windsor Berkshire UK NoBo 1725 EN 61326 1 2006 Class A Table 2 Industrial Locations EN 61326 2...

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Страница 82: ...chnical content subject to change without notice 910 176U Rev E1 Customer Support Centers U S A The Boston Center 1100 Technology Park Drive Billerica MA 01821 U S A Tel 800 833 9438 toll free 978 437...

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