dynasonics TFXL series User Manual
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dynasonics TFXL series User Manual

Transit time ultrasonic flow meters
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Transit Time Ultrasonic Flow Meters
TFXL Meter
User Manual
TTM-UM-00369-EN-03 (April 2016)

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  • Page 1 Transit Time Ultrasonic Flow Meters TFXL Meter User Manual TTM-UM-00369-EN-03 (April 2016)
  • Page 2 Transit Time Ultrasonic Flow Meters, TFXL Meter Page ii TTM-UM-00369-EN-03 April 2016...

  • Page 3: Table Of Contents

    User Manual CONTENTS Scope of This Manual Unpacking and Inspection Safety Terminology and Symbols Considerations Quick-Start Operating Overview Items Required for Basic Installation and Configuration Transducer Location Power Connections Transducer Connections for Remote Mount Transducers Initial Settings and Powerup Pipe Preparation and Transducer Mounting Introduction Application Versatility Temperature Ratings for Transducers...
  • Page 4 Transit Time Ultrasonic Flow Meters, TFXL Meter Frequency Output Parameter Configuration Using UltraLink Software System Requirements Additional Parts Required for Configuration Installation Initialization Configuration Menu Basic Tab Filtering Tab Calibration Menu Remove the Zero Offset Select Flow Rate Units Set Multiple Flow Rates Target Dbg Data Screen Definitions Saving the Configuration on a PC Printing a Configuration Report...

  • Page 5: Scope Of This Manual

    Scope of This Manual SCOPE OF THIS MANUAL This manual is divided into two main sections: • “Quick-Start Operating Overview” on page 6 is intended to help you get the TFXL meter up and running quickly Refer to the detailed instructions if you require additional information •...

  • Page 6: Quick-Start Operating Overview

    Quick-Start Operating Overview QUICK-STAOT OPEOATING OVEOVIEW Items Oequired for Basic Installation and Configuration • TFXL meter • Transducers (remote-mount versions sold separately) • Mounting straps (for remote-mount versions) • Acoustic couplant • Power source • UltraLink Software • Configuration cable kit P/N D010-0204-001 •...

  • Page 7: Initial Settings And Powerup

    Quick-Start Operating Overview 2 The remote mount transducers use an add-in connection board on the left side of the meter below the LCD (TFXL meter 2 version) The terminals within the TFXL meter are of a screw-down barrier terminal type Connect the wires at the corresponding screw terminals in the transmitter Observe upstream and downstream orientation and wire polarity See Figure 2 on page 7 Upstream...

  • Page 8: Pipe Preparation And Transducer Mounting

    Quick-Start Operating Overview Pipe Preparation and Transducer Mounting DTTO, DTTN and DTTH Transducers 1 Place the transmitter in signal strength measuring mode This value is available on the data display of the UltraLink software utility Downstream+ Downstream- 2 The pipe surface, where the transducers are to be mounted, must be clean and dry Remove scale, rust or loose paint to Upstream- ensure satisfactory acoustic conduction Wire brushing the...
  • Page 9 Quick-Start Operating Overview TOP OF TOP OF PIPE PIPE 45° 45° 45° 45° 45° 45° 45° 45° FLOW METER FLOW METER MOUNTING ORIENTATION MOUNTING ORIENTATION DTTS and DTTC TRANSDUCERS 2” DTTS and DTTC TRANSDUCERS TOP OF PIPE 45° 45° 45° 45°...

  • Page 10: Introduction

    Introduction INTOODUCTION The TFXL meter is designed to measure the fluid velocity of liquid within a closed conduit The transducers are a non- contacting, clamp-on or clamp-around type, which provide the benefits of non-fouling operation and ease of installation The TFXL meter family of transit time transmitters uses two transducers that function as both ultrasonic transmitters and receivers The transducers are clamped on the outside of a closed pipe at a specific distance from each other The transducers can be mounted in V-Mount where the sound transverses the pipe two times, W-Mount where the sound transverses the pipe four times, or in Z-Mount where the sound crosses the pipe once The selection of how transducers are...

  • Page 11: Transmitter Installation

    Transmitter Installation TOANSMITTEO INSTALLATION Transmitter Location Mount the enclosure in an area that is convenient for servicing, calibration and observation of the LCD readout (if equipped) 1 Locate the transmitter within the length of transducer cables supplied If this is not possible, exchange the cable for one that is of proper length 2 Mount the transmitter in a location: ◊...
  • Page 12 Transmitter Installation Wiring methods and practices are to be made in accordance with the NEC (National Electrical Code®) and/or other local ordinances that may be in effect Consult the local electrical inspector for information regarding wiring regulations When making connections to the field wiring terminals inside the flow meter, strip back the wire insulation approximately 0 25 inch (6 mm) Stripping back too little may cause the terminals to clamp on the insulation and not make good contact Stripping back too much insulation may lead to a situation where the wires could short together between adjacent terminals Wires should be secured in the field wiring terminals using a screw torque of 0 5…0 6 Nm...

  • Page 13: Transducer Connections

    Transducer Connections TOANSDUCEO CONNECTIONS Figure 7: Transducer connections To access terminal strips for wiring, first loosen the four screws holding the top of the case to the bottom OTEE: The four screws are “captive” screws and cannot be removed from the top of the case If the unit has a display, remove the four Phillips head screws that hold the display to the main circuit board and carefully move it out of the way Do not over stress the ribbon cable located between the display and the microprocessor circuit boards...

  • Page 14: Dc Power Connections

    DC Power Connections DC POWEO CONNECTIONS The TFXL meter should be operated from an 12…28V DC Class 2 power source capable of supplying a minimum of 250 mA of current 1 Feed the power source through the conduit hole on the right side of the enclosure Connect power to the screw terminal block in the TFXL meter Use wiring practices that conform to local and national codes 2 Connect the DC power to 12…28V DC In and DC Gnd , as in Figure 8...

  • Page 15: Transducer Installation

    Transducer Installation TOANSDUCEO INSTALLATION The transducers for the TFXL meter contain piezoelectric crystals that transmit and receive ultrasonic signals through the walls of liquid piping systems DTTR, DTTN and DTTH transducers are relatively simple and straightforward to install, but spacing and alignment of the transducers is critical to the system’s accuracy and performance CAREFULLY EXECUTE THESE INSTRUCTIONS DTTS and DTTC small pipe transducers have integrated transmitter and receiver elements that eliminate the requirement for spacing measurement and alignment...
  • Page 16 Transducer Installation Piping Con guration Upstream Downstream Pipe Pipe and Transducer Positioning Diameters Diameters Flow Flow Flow Flow Flow Flow Table 1: Piping configuration and transducer positioning The TFXL meter will provide repeatable measurements on piping systems that do not meet these pipe diameter requirements, but the accuracy of the readings may be influenced Page 16 TTM-UM-00369-EN-03...

  • Page 17: Select A Mounting Configuration

    Transducer Installation Select a Mounting Configuration The transmitter can be used with five transducer types: DTTR, DTTN, DTTH, DTTS and DTTC Meters that use the DTTR, DTTN or DTTH transducer sets consist of two separate sensors that function as both ultrasonic transmitters and receivers These transducers are clamped on the outside of a closed pipe at a specific distance from each other DTTS and DTTC transducers integrate both the transmitter and receiver into one assembly that fixes the separation of the piezoelectric crystals The DTTR, DTTN and DTTH transducers can be mounted in:...
  • Page 18 Transducer Installation Top of Top of Pipe Pipe 45° 45° 45° Z-Mount 45° 45° 45° Flow Meter W and V Mount Mounting Orientation DTTR, DTTN and DTTH Transducers Top of Top of Pipe Pipe 45° 45° 45° 45° 45° 45° 45°...

  • Page 19: Enter The Pipe And Liquid Parameters

    Transducer Installation Enter the Pipe and Liquid Parameters The TFXL meter calculates proper transducer spacing based on the piping and liquid information you enter into the transmitter via the UltraLink software utility See "Parameter Configuration Using UltraLink Software" on page 29 The most accuracy is achieved when the transducer spacing is exactly what the transmitter calculates, so use the calculated spacing if the signal strength is satisfactory If the pipe is not round, the wall thickness not correct or the actual liquid being measured has a different sound speed than the liquid programmed into the transmitter, the spacing can vary from the...

  • Page 20: Transducer Mounting Configurations

    Transducer Installation Transducer Mounting Configurations V-Mount and W-Mount Configurations Apply the Couplant For DTTR, DTTN and DTTH transducers, place a single bead of couplant, approximately 1/2 inch (12 mm) thick, on the flat face of the transducer See Figure 12 Generally, a silicone-based grease is used as an acoustic couplant, but any good quality grease-like substance that is rated to not flow at the operating temperature of the pipe is acceptable For pipe surface temperature over 150°...
  • Page 21 Transducer Installation DTTS/DTTC Small Pipe Transducer Installation The small pipe transducers are designed for specific pipe outside diameters Do not attempt to mount a DTTS/DTTC transducer onto a pipe that is either too large or too small for the transducer Instead, contact the manufacturer to arrange for a replacement transducer that is the correct size 1 Apply a thin coating of acoustic coupling grease to both halves of the transducer housing where the housing will contact the pipe See...
  • Page 22 Transducer Installation DTTS/DTTC Small Pipe Transducer Calibration Procedure 1 Establish communications with the transit time transmitter 2 From the tool bar, select Calibration See Figure 17 Calibration (Page 3 of 3) - Linearization 3 On the pop-up screen, click Next twice to get to 1) Please establish a 28.2 reference flow rate.
  • Page 23 Transducer Installation Z-Mount Configuration Installation on larger pipes requires careful measurements of the linear and radial placement of the DTTR, DTTN and DTTH transducers Failure to properly orient and place the transducers on the pipe may lead to weak signal strength and/or inaccurate readings This section details a method for properly locating the transducers on larger pipes This method requires a roll of paper such as freezer paper or wrapping paper, masking tape and a marking device 1 Wrap the paper around the pipe in the manner shown in...
  • Page 24 Transducer Installation strength Clamp the transducer at the position where the highest signal strength is observed A signal strength between 5…98 is acceptable The factory default signal strength setting is five However there are many application-specific conditions that may prevent the signal strength from attaining this level A minimum signal strength of five is acceptable as long as this signal level is maintained under all flow conditions On certain pipes, a slight twist to the transducer may cause signal strength to rise to acceptable levels Certain pipe and liquid characteristics may cause signal strength to rise to greater than 98 The problem with operating this transmitter with...
  • Page 25 Transducer Installation 6 Place the second transducer in between the mounting rails near the dimension derived in the transducer spacing section Read the dimension on the mounting rail scale Slide the transducer clamp over the transducer and secure with the thumb screw Top View of Pipe...

  • Page 26: Inputs/Outputs

    Inputs/Outputs INPUTS/OUTPUTS The TFXL meter is available in two general configurations: • The standard TFXL meter is equipped with a 4…20 mA output and a rate frequency output • The TFXL meter is also available with a totalizing pulse output option Standard 4…20 mA Output The 4…20 mA output interfaces with most recording and logging systems by transmitting an analog current signal that is proportional to system flow rate The 4…20 mA output is internally powered (current sourcing) and can span negative to...

  • Page 27: Totalizer Output Option

    Inputs/Outputs Totalizer Output Option TFXL meters can be ordered with a totalizer pulse output option This option is installed in the position where the rate pulse would normally be installed Totalizing Pulse Specifications Parameter Specification Signal One pulse for each increment of the totalizer’s least significant digit Operation Normal state is high;...
  • Page 28 Inputs/Outputs For this transmitter, the relationship is described by the following equation The 60,000 relates to measurement units in volume/min Measurement units in seconds, hours or days would require a different numerator 60,000 K factor Full Scale Units A practical example would be if the MAX RATE for the application were 400 gpm, the K factor (representing the number of pulses accumulated needed to equal one gallon) would be: 60,000 K factor =...

  • Page 29: Parameter Configuration Using Ultralink Software

    Parameter Configuration Using UltraLink Software PAOAMETEO CONFIGUOATION USING ULTOALINK SOFTWAOE The flow meter must be programmed with the UltraLink software utility The software is used to configure, calibrate and communicate with TFXL flow meters Additionally, it has numerous troubleshooting tools to make diagnosing and correcting installation problems easier System Oequirements The software requires a PC-type computer, running Windows 2000, Windows XP, Windows Vista or Windows 7...
  • Page 30 Parameter Configuration Using UltraLink Software The first screen is the RUN mode screen, which contains real-time information regarding flow rate, totals, signal strength, communications status, and the transmitter’s serial number The COMM indicator in the lower right corner indicates that the serial connection is active If the COMM box contains a red ERROR indication, select Communications on the Menu bar and select Initialize Choose the appropriate COM port and the RS232 / USB Com Port Type Proper communication is verified when a green OK is indicated in the lower right corner of the PC display and the Last Update indicator in the text area on the...

  • Page 31: Configuration Menu

    Configuration Menu CONFIGUOATION MENU The Configuration menu has six tabs used to control how the transmitter is set up and responds to varying flow conditions The first screen that appears after clicking the Configuration button is the Basic tab Configuration Basic Tab Entry of data in the Basic and Flow tabs is all that is required to provide flow measurement functions to the transmitter If you are not going to use input/output functions, click Download to transfer the configuration to the transmitter When the...
  • Page 32 Configuration Menu Category Parameter Meaning Option Description Selects the transducer that will be connected to the transmitter Select the appropriate transducer type from the drop-down list This selection influences transducer spacing and transmitter performance, so it must be correct If you are unsure about the type of transducer to which the transmitter will be connected, Type Transducer type...
  • Page 33 Configuration Menu Category Parameter Meaning Option Description Select a material from the pull-down list If the pipe material used is not found in the list, select Other and enter the actual pipe material Sound Speed and Roughness (much of this information is available Material Pipe material at web sites such as...
  • Page 34 Configuration Menu Category Parameter Meaning Option Description Select a fluid type selected from a pull-down list If the liquid is not found in the list, select Other and enter the liquid Sound Speed and Absolute Viscosity into the appropriate boxes The liquid’s specific Type Fluid/media type gravity is required if mass measurements are to be made, and the specific heat capacity is required for...
  • Page 35 Configuration Menu Flow Tab Figure 33: Flow tab Parameter Meaning Option Description Flow Rate Engineering units Select an appropriate rate unit and time from the two lists This entry also includes the selection Menu selection Units for flow rate of Flow Rate Interval after the virgule ( / ) sign Select an appropriate totalizer unit and totalizer exponent The totalizer exponents are in Engineering units Totalizer Units...

  • Page 36: Filtering Tab

    Configuration Menu Filtering Tab The Filtering tab contains several filter settings for the transmitter These filters can be adjusted to match response times and data “smoothing” performance to a particular application Figure 34: Filtering tab Parameter Meaning Option Description Time Domain Filter (range 1…256) adjusts the number of raw data sets (the wave forms viewed on the software Diagnostics Screen) that are averaged together Increasing this value will provide Number of greater damping of the data and slow the response time of the transmitter Conversely, lowering...
  • Page 37 Configuration Menu Output Tab The entries made in the Output tab establish input and output parameters for the transmitter Select the appropriate function from the pull-down menu and click Download When a function is changed from the factory setting, a configuration error 1002 will result This error will be cleared by resetting the transmitter microprocessor from the Communications/Commands/ Oeset Target button or by cycling power to the transmitter Once the proper output is selected and the microprocessor is reset, calibration and configuration of the modules can be completed...

  • Page 38: Calibration Menu

    Calibration Menu CALIBOATION MENU The Calibration menu contains a powerful multi-point routine for calibrating the transmitter to a primary measuring standard in a particular installation To initialize the three-step calibration routine, click Calibration Calibration Figure 36: Calibration Page 1 of 3 The first screen, Page 1 of 3 establishes a baseline zero flow rate measurement for the transmitter Oemove the Zero Offset Because every transmitter installation is slightly different and sound waves can travel in slightly different ways through these...

  • Page 39: Set Multiple Flow Rates

    Calibration Menu Set Multiple Flow Oates Use Page 3 of 3 to set multiple actual flow rates to be recorded by the transmitter To calibrate a point: 1 Establish a stable, known flow rate (verified by a real-time primary flow instrument) 2 Enter the actual flow rate in the Flow window and click Set 3 Repeat for as many points as desired 4 Click Finish when you have entered all points...

  • Page 40: Target Dbg Data Screen Definitions

    Calibration Menu Target Dbg Data Screen Definitions Field Description Device Type The flow meter type Calc Count The number of flow calculations performed by the transmitter beginning at the time the power to the transmitter was last turned off and then on again Sample Count The number of samples currently being taken in one second Raw Delta T (ηs)

  • Page 41: Ultralink Error Codes

    Calibration Menu UltraLink Error Codes Revised 04-06-2015 Code Description Correction Hardware serial number has become inoperative System 0001 Serial number not present performance will not be influenced Low signal strength is typically caused by one of the following: » Empty pipe »...

  • Page 42: K Factors

    K Factors K FACTOOS Description The K factor (with regards to flow) is the number of pulses that must be accumulated to equal a particular volume of fluid You can think of each pulse as representing a small fraction of the totalizing unit An example might be a K factor of 1000 (pulses per gallon) This means that if you were counting pulses, when the count total reached 1000, you would have accumulated one gallon of liquid Using the same reasoning, each individual pulse represents an accumulation of 1/1000 of a gallon This relationship is independent of the time it takes to accumulate the counts...
  • Page 43 K Factors Find the area of the pipe cross section Area = πr  3.068  Area = π = π x 2.35 = 7.39 in     Find the volume in one foot of travel 88.71in 7.39 in x 12 in.

  • Page 44: North American Pipe Schedules

    North American Pipe Schedules NOOTH AMEOICAN PIPE SCHEDULES Steel, Stainless Steel, PVC Pipe, Standard Classes SCH 60 X STG. SCH 80 SCH 100 SCH 120/140 SCH 180 Wall Wall Wall Wall Wall Wall 1 315 0 957 0 179 0 957 0 179 0 815 0 250...
  • Page 45 North American Pipe Schedules Steel, Stainless Steel, PVC Pipe, Standard Classes (continued) SCH 10 SCH 5 SCH 20 SCH 30 SCH 40 (Lt Wall) Wall Wall Wall Wall Wall Wall 1 315 1 185 0 065 1 097 0 109 1 049 1 049 0 133...
  • Page 46 North American Pipe Schedules Copper Tubing, Copper and Brass Pipe, Aluminum Copper Tubing Copper Tubing Copper Copper Nominal Nominal & Brass Alum. & Brass Alum. Diameter Diameter Pipe Pipe Type Type 0 625 0 625 0 625 0 840 3 625 3 625 3 625 4 000...
  • Page 47 North American Pipe Schedules Cast Iron Pipe, Standard Classes, 3…20 inch Class Size 3 80 3 96 3 96 3 96 Wall 0 39 0 42 0 45 0 48 — — — — 3 02 3 12 3 06 3 00 4 80 5 00...
  • Page 48 North American Pipe Schedules Cast Iron Pipe, Standard Classes, 24…84 inch Class Size 25 80 25 80 26 32 26 32 26 90 26 90 27 76 27 76 Wall 0 76 0 98 1 05 1 16 1 31 1 45 1 75 1 88...

  • Page 49: Fluid Properties

    Fluid Properties FLUID POOPEOTIES Sound Speed Specific Gravity delta-v/° C Kinematic Absolute Fluid m/s/° C Viscosity (cSt) Viscosity (Cp) 20° C ft/s Acetate, Butyl — 4163 9 1270 — — — Acetate, Ethyl 0 901 3559 7 1085 0 489 0 441 Acetate, Methyl 0 934...
  • Page 50 Fluid Properties Sound Speed Specific Gravity delta-v/° C Kinematic Absolute Fluid m/s/° C Viscosity (cSt) Viscosity (Cp) 20° C ft/s Kerosene 0 81 4343 8 1324 — — Linalool — 4590 2 1400 — — — Linseed Oil 0 925…0 939 5803 3 1770 —...

  • Page 51: Brad Harrison® Connector Option

    Brad Harrison® Connector Option BOAD HAOOISON® CONNECTOO OPTION Cable D005-0956-001 (Straight Connector) D005-0956-002 (90° Connector) Bulkhead Connector D005-0954-001 Figure 42: Brad Harrison connection April 2016 TTM-UM-00369-EN-03 Page 51...

  • Page 52: Control Drawings

    Control Drawings CONTOOL DOAWINGS Figure 43: Control drawing, IS barrier DTT transducers Page 52 TTM-UM-00369-EN-03 April 2016...
  • Page 53 Control Drawings D003-0905-117 PART NUMBER: D091-1053-005 Figure 44: Control drawing, IS barrier DTT transducers flexible conduit April 2016 TTM-UM-00369-EN-03 Page 53...

  • Page 54: Specifications

    Specifications SPECIFICATIONS System Liquid Types Most clean liquids or liquids containing small amounts of suspended solids or gas bubbles Velocity Oange 0 1…40 FPS (0 03…012, MPS) DTTR/DTTN/DTTH ±1% of reading at rates > 1 FPS (0 3 MPS), ±0 01 FPS (±0 003 MPS) at rates lower than 1 FPS DTTS/DTTC 1 in (25 mm) and larger –...

  • Page 55: Transducers

    Specifications Transducers PBT glass filled, Ultem, Nylon cord grip DTTR NEMA 6*/IP67 PVC cable jacket; –40…250° F (–40…121° C) CPVC, Ultem, Nylon cord grip DTTC NEMA 6*/IP67 Polyethylene cable jacket; –40…185° F (–40…85° C) CPVC, Ultem, Nylon cord grip DTTN I S NEMA 6P*/IP68 Transducer Polyethylene cable jacket;...

  • Page 56: Part Number Construction

    Control. Manage. Optimize. Dynasonics and UltraLink are registered trademarks of Badger Meter, Inc Other trademarks appearing in this document are the property of their respective entities Due to continuous research, product improvements and enhancements, Badger Meter reserves the right to change product or system specifications without notice, except to the extent an outstanding contractual obligation exists ©...

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