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Flow Model CTF878 Clamp-On Tag Flowmeter Startup Guide 910-254U Rev. A panametrics.com AUG 2021...
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Flow Model CTF878 Clamp-On Tag Flowmeter Startup Guide 910-254UA4 AUG 2021 panametrics.com Copyright 2021 Baker Hughes company. This material contains one or more registered trademarks of Baker Hughes Company and its subsidiaries in one or more countries. All third-party product and company names are trademarks of their respective...
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AUTHORIZATION number (RA), and shipping instructions for the return of the instrument to a service center will be provided. 2. If Panametrics instructs you to send your instrument to a service center, it must be shipped prepaid to the authorized repair station indicated in the shipping instructions.
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Warranty [no content intended for this page] Model CTF878 Startup Guide...
It measures the flow rate of acoustically conductive single-phase gases. Unlike most ultrasonic gas flowmeters, however, the CTF878 does not require the tapping of a pipe. It works with external clamp-on ultrasonic transducers that do not interfere with gas flow.
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DC 56 W max., AC 60 VA. The CTF878 has the ability to store site data in files which can be accessed at a later time. Within the Main Menu, a set of forms (windows) asks you all the necessary setup information for a particular site. Once you complete answering the necessary questions, you simply save the information to a file.
1.1.2 Theory of Operation The CTF878 uses an ultrasonic flow pattern recognition technology called Correlation Tag flow measurement. Correlation Tag technology utilizes a total of four clamp-on ultrasonic transducers externally mounted on a pipe. The transducers are arranged in two pairs–one upstream and one downstream. The upstream and downstream pairs are each composed of one transmitter sending ultrasound in a continuous wave mode through the fluid to its receiver, forming an upstream and downstream interrogation path.
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Chapter 1. Figure 1: Typical CTF878 System Setup using a CFT-V Clamping Fixture Model CTF878 Startup Guide...
If anything is missing or damaged, contact the factory immediately for assistance. 2.1.3 System Parts The following is a list of parts required for a typical CTF878 system. Figure 2 below displays several system components. • CTF878 Flowmeter •...
CTF878 Flowmeter CFT-V Clamping Fixture Figure 2: Parts for a Typical CTF878 System 2.1.4 Tools for Installation Before you begin installing the Model CTF878 Clamp-On Tag Flowmeter , see Table 2-1 below for a list of required tools. Tool Used: Multimeter to check the voltage (if required).
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Chapter 2. Tool Used: to mark the pipe for fixture/transducers Felt-tipped Ink placement. Marker Wall Thickness to determine pipe wall thickness. Gauge Adjustable Wrench to install the clamping fixture. to measure the clamping fixture spacing Calipers (optional). Model CTF878 Startup Guide...
2.1.5.3 Wiring the Electronics Console When making electrical connections to the CTF878 flowmeter, refer to Figure 25 on page 40 for a complete wiring diagram of the unit. Except for the power connector, all electrical connectors are stored in their terminal blocks during shipment and may be removed from the enclosure for more convenient wiring.
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Chapter 2. The CTF878 may be ordered for operation with power sources ranging from 85 to 264 VAC, at frequencies of 47 to 63Hz. The label on the shroud inside the electronics enclosure, just above the TB1 line power terminal block, lists the required line voltage and the fuse rating for the unit (the fuse rating is also listed in Chapter 4, Specifications ).
2.1.7 Installing a CFT-V Clamping Fixture For a given gas and pipe, the CTF878’s accuracy depends primarily on the location and alignment of the transducers. To install the CFT-V transducer-supporting clamping fixture (for pipes 6” to 12” O.D.), use the following guidelines: Note: With a CFT-V clamping fixture, the damping material is installed prior to the fixture itself.
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The following procedure can be easily done before installing the clamping fixture on the pipe. For a more detailed description of these steps, refer to Programming Site Data on page 46: Power up the CTF878 flowmeter. Program / Transducer In the top-level menu, enter to select the transducers used.
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Note: The brackets of the CFT-V clamping fixture will rest against the pipe in the two gaps between the strips of damping material (see Figure 14 on page 26). Model CTF878 Startup Guide...
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Chapter 2. Top End of Damping Material Pipe 1st Damping Material Strip 2nd and 3rd Damping Material Strips Clamping Fixture Bracket Locations Figure 3: Damping Material - Orientation and Application for CFT-V Fixtures Model CTF878 Startup Guide...
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IMPORTANT: The measurement plane (the plane formed by the four transducers) should be horizontal or as close to horizontal as possible. Place the clamping fixture on the pipe so that the brackets rest in the two gaps between the strips of damping material. Model CTF878 Startup Guide...
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(using the grounding lugs provided) is required, to prevent the possibility of electric shock and to meet CE Mark compliance. The CFT-V clamping fixture is now ready for transducer installation. Proceed to Installing Transducers on page 24. Model CTF878 Startup Guide...
2.1.8 Installing a CFT-PI Clamping Fixture For a given gas and pipe, the CTF878’s accuracy depends primarily on the location and alignment of the transducers. To install the CFT-PI clamping fixture (for pipes over 12” O.D.), use the following guidelines: Note: A CFT-PI clamping fixture should be installed before the damping material is applied to the pipe.
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Draw a fourth line around the pipe at a distance equal to the Transducer Spacing away from the third line. The pipe should now look like Figure 5 below. (order of lines drawn) Transducer Spacing Tag Path Transducer Spacing Figure 5: CFT-PI Clamping Fixture, Lines Drawn for Installation Model CTF878 Startup Guide...
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CE Mark compliance (see Figure 6 below). External Ground for CE Mark Compliance 1st half, CFT-PI Clamping Fixture 2nd half, CFT-PI Clamping Fixture External Ground for CE Mark Compliance Figure 6: CFT-PI Clamping Fixture, Order of Installation (top view of pipe) Model CTF878 Startup Guide...
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(see Figure 7 below). Repeat steps 2 through 5 to apply each of the strips. The CFT-PI clamping fixture is now ready for transducer installation. Proceed to Installing Transducers on page 24. Model CTF878 Startup Guide...
(see Installing the PDJ Damping Jacket on page 23). Preparing the Pipe To prepare the pipe for DMP-3 application: Remove any loose paint or rust from the pipe surface with a file or emery cloth. If the finish is mirror-smooth, roughen the surface. Model CTF878 Startup Guide...
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0.25 in. (6.4 mm), as shown in Figure 9 and Figure 10 on page 22. Figure 9: Spreading DMP-3 Damping Material Installing the Clamping Fixture Position the transducer yokes to the correct spacing and install the fixture around, but not on, the DMP-3 material. Model CTF878 Startup Guide...
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Chapter 2. Remove the DMP-3 material from the transducer locations (see Figure 10 below) and proceed to Installing Transducers on page 24. Figure 10: DMP-3 Damping Material with Fixture Installed Model CTF878 Startup Guide...
Remove any insulation from the installation area, as well as any loose paint, rust and high spots from the pipe. Remove the backing paper from the inside of the pipe damping jacket (shown in Figure 12 below). Model CTF878 Startup Guide...
Installing Transducers For a given gas and pipe, the CTF878’s accuracy depends primarily on the location and alignment of the transducers. Now that the clamping fixture is in place, use the following guidelines to install the four transducers. For detailed instructions on installing clamp-on transducers, refer to the supplied drawings and the Panametrics Sensing Gas Transducer Installation Guide .
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If you moved the yokes in step 4, remember to put them back to their exact positions before tightening the yoke screws. IMPORTANT: You must use the caliper again to ensure that the transducer spacing and path are correctly set. Model CTF878 Startup Guide...
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Apply a finger-tight torque until the transducer stops moving inside the slider. CAUTION! If excessive torque is applied, the face of the transducer may be damaged. Repeat steps 4 through 6 for the remaining three transducers. Model CTF878 Startup Guide...
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Transmitter sends a signal opposite the direction of the flow. Making Cable Connections Panametrics Sensing supplies transducer cables up to 500 ft (153 m) in length. If longer cables are required, consult the factory for assistance. When installing the transducer cables, always observe established standard practices for the installation of electrical cables.
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Chapter 2. WARNING! Proper grounding of the clamping fixture (using the grounding lugs provided) is required, to prevent the possibility of electric shock and to meet CE Mark compliance. Model CTF878 Startup Guide...
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• IMPORTANT: For the flowmeter system to function correctly, the CTF878 receiver board frequency range must match that of the transducers being used. To check, compare the labels on the electronics console and on the transducers. Default frequency ranges include:...
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Chapter 2. Downstream Upstream Transmitter Transmitter Downstream Upstream Receiver Receiver Figure 17: Transducer Connections - Main PC Board Model CTF878 Startup Guide...
2.1.12.3 Wiring These transmitters must use a 0/4-20 mA signal to transmit the temperature and pressure values to the CTF878 electronics console. In turn, the electronics console will provide a 24 VDC signal to power the transmitters. Any transmitters or sensors that are used must have an accuracy equal to 0.5% of the reading or better.
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JUMPER WIRE 24V- (NOT SUPPLIED) TEMPERATURE TRANSMITTER TEMPERATURE INPUT (SOFTWARE ASSIGNED) (REFERENCE ONLY) CTF878 PIN # 24V+ SENSOR +IN2 -OUT -IN2 JUMPER WIRE 24V- (NOT SUPPLIED) Figure 20: Temperature & Pressure Transmitter Connections to Input Option Cards Model CTF878 Startup Guide...
2.1.13.2 Wiring the Serial Port The CTF878 is equipped with a built-in serial communications port. The standard port is an RS232 interface, but an optional RS485 interface is available upon request. Proceed to the appropriate sub-section for wiring instructions. For more information on serial communications, refer to the EIA-RS Serial Communications Manual (916-054).
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Wiring the RS485 Interface Use the optional RS485 serial port to network multiple CTF878 flowmeters to a single computer terminal. To wire the RS485 serial port, complete the following steps: Disconnect the main power to the unit and open the cover on the electronics enclosure. Remove the plastic shroud to access the serial communication connector.
2.1.14.1 Wiring an Alarms Option Card The CTF878 flowmeter can accommodate up to 4 alarm option cards. Each alarms option card includes three Form C relays (designated as A, B and C). The alarm relays on the option card are available in two types: •...
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(see Figure 22 on page 37). The analog inputs on the option card(s) can be calibrated with the CTF878’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 appropriate procedures.
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1,000 ohms. Wire this terminal block in accordance with the pin number assignments shown in Figure 25 on page 40. Once the CTF878 system is completely wired, proceed to Chapter 3, Initial Setup , to configure the unit for operation. Model CTF878 Startup Guide...
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(39) MENU ENTER 1.63 (41) Ø.88 (22), 10 places VIEW A-A Notes: Plate for 1/2" (13) Conduit 1. All dimensions are reference. Ø.31 (10) 4 places 1.51 (38) 8.00 (203) 2. Dimensions are in inches (millimeters). Model CTF878 Startup Guide...
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The disconnect device must be any one of the four mounting holes. marked as such, clearly visible, directly accessible, and located within WARNING 1.8 m (6 ft) of the CTF878. 1 R CV 2 ARTN DISCONNE CT POWER BE FORE 3 TWIND 4 –...
3.1.2 Powering Up Immediately upon power up the CTF878 emits a short beep and displays a “PCI Loader” message. It then validates the instrument programming, and displays the Panametrics Sensing logo and the software version. If the meter fails any of these tests, contact the factory.
3.1.3 Using the Screen The essential features for operating the CTF878 are the screen and keypad. Although these features are common, the CTF878 design offers particular features to simplify and speed operation. The new menu system is very user-friendly; program information is now located on tabbed forms instead of on a long, linear menu.
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. These keys have different functions, depending on the task being performed. The initial, factory setup, configuration for these keys is as follows: • F1 = Transducer • F2 = Diagnostics • F3 = Save Now Model CTF878 Startup Guide...
Using the Keypad The CTF878 keypad contains 24 keys, that are labeled with their functions. The complete keypad is illustrated in Figure 28 below and a detailed description of the functions for each of the 24 keys is listed in Table 3 on page 7.
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Select Key: Use to move between data measurements on the screen. Menu Key: Press to access the Main Menu. MENU Enter Key: Use to enter a particular menu or to enter selected values into CTF878 memory. ENTER Model CTF878 Startup Guide...
Programming Site Data 3.1.5.1 Entering the Program Menu To enter the Program Menu, press the [MENU] key at the lower right of the CTF878 keypad. The Menu Bar replaces the Status Bar at the top of the screen. Press the [ ] arrow key once to scroll from the Site Menu to the Program Menu.
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Figure 30 below. To step through each parameter, press the [ ] key. Refer to the Program Menu Map , Figure 46 on page 65. Note: If the CTF878 does not scroll to a particular parameter, the parameter is not necessary for that transducer type. Transducer/Pipe Transducer/Pipe...
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Option No. Frequency Range 1 MHz / 888 KHz 500 KHz / 471 KHz 250 KHz / 222 KHz Compare the Receiver Board option number listed on the WARNING screen with the one assigned to your CTF878. Model CTF878 Startup Guide...
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Chapter 3. Note: The Receiver Board option number is the last digit of the CTF878’s model number. That model number can be found on the label attached to the inside of the front cover. In Figure 33 below the Receiver Board option number is Figure 33: Transducer Type Options The program now varies, depending on whether you have selected typical or SPECIAL transducers.
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The user must enter the appropriate transducer / receiver operating frequency range. IMPORTANT: The CTF878 flowmeter and the transducers MUST have the same fixed frequency band of operation defined by the customer's application. The up and down frequencies selected in the Programming Menu MUST correspond to those of the installed Frequency Board.
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• • To leave the window without confirming the entries, press [F2] (Cancel) or the [ESC] key. In either case, the CTF878 returns to Operate Mode. 3.1.5.3 Entering Pipe Parameters To enter the Pipe option, scroll to the Pipe tab on the Program Menu and press [ENTER]. (From the Transducer ...
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Schedule nominal pipe size ( ) and identification ( ), the CTF878 determines the OD and wall thickness from an internal table. If you want to use the diameter alternative (available for all materials): You must select from two choices, outside diameter or circumference.
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To confirm the entries and return to Operate Mode, press [F3] (OK). • • To leave the window without confirming the entries, press [F2] (Cancel) or the [ESC] key. In either case, the CTF878 returns to Operate Mode. Model CTF878 Startup Guide...
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• To confirm the entries and return to Operate Mode, press [F3] (OK). The CTF878 returns to Operate Mode. To leave the window without confirming the entries, press [F2] (Cancel) or the [ESC] key. The CTF878 returns to • Operate Mode.
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Cancel Figure 38: Path Window Path Parameters for Clamp-On Transducers The CTF878 path menu includes two parameters: • TAG Path • Transducer Spacing The TAG Path is calculated from the data entered in the Pipe parameters under Program. It can be overwritten if the user wants to use a value other than the one calculated by the flowmeter.
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The screen appears similar to Figure 40 below. To step through each parameter, press the [] key. See the Program Menu Map , Figure 47 on page 66. 4-20 Out Setup Analog Out Data Source NO UNIT Zero Span On Error Hold Last Cancel Figure 40: Analog Output Window Model CTF878 Startup Guide...
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Source prompt.) Scroll to the desired output unit. Press [F3] (OK) to confirm your selection. The next prompt requests the zero (base) value for the analog output. This value represents the 0/4 mA output (in flow units). Model CTF878 Startup Guide...
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Use the numeric keys to enter the desired value. Press [ENTER] to confirm your selection. The last prompt, On Error, asks you to select how the CTF878 will handle the analog outputs in the event of a fault condition. The meter offers three alternatives: •...
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[ENTER] Press to open the drop-down menu. Scroll to the desired function. Press [ENTER] to confirm your selection. Note: If you select , you will not be able to access any other parameters in this option. Model CTF878 Startup Guide...
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The prompt asks for the minimum and maximum value for the category and units selected and the minimum and maximum frequency. For each parameter: [ENTER] Press to open the text box. Use the numeric keys to enter the desired value. Press [ENTER] to confirm your selection. Model CTF878 Startup Guide...
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If On is selected for the Calibration Factor, scroll down to choose a Single K-Factor or a Table of K-Factors. Use the [ ] and [ ] keys to scroll to the appropriate radio button. Press [ENTER] to confirm your selection. Model CTF878 Startup Guide...
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To confirm the entries and return to Operate mode, press [F3] (OK). The CTF878 returns to Operate Mode. • To leave the window without confirming the entries, press [F2] (Cancel) or the [ESC] key. The CTF878 returns to • Operate Mode.
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• • To leave the window without confirming the entries, press [F2] (Cancel) or the [ESC] key. The CTF878 returns to Operate Mode. To aid in following the programming instructions, a complete menu map of the User Program is included in Figure 46 on page 65, Figure 47 on page 66 and Figure 48 on page 67.
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Data Source CPVC K/V x 10 Meter K-Factor OD or ODxPI Wall Thickness Aluminum Brass Copper Glass Gold Inconel Iron Monel Nickel Plastic Titanium Tungsten Zinc Wall Thickness Wall Thickness OD or ODxPI OD or ODxPI Model CTF878 Startup Guide...
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Hectare-cm Hectare-cm Force Low Carr A Dn meters /min UserF8 Hectare-m Hectare-m Force High Carr G Up C (5:B) (-)Elapsed (-)Elapsed Hold Last Carr G Dn meters /hr Mod G Up Mod G Dn Cross Corr Model CTF878 Startup Guide...
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Temp C Carr A Up MLiters/day UserF4 Temp K Carr A Dn UserF5 Carr G Up meters /sec UserF6 Carr G Dn UserF7 Mod G Up meters /min UserF8 Mod G Dn Cross Corr meters /hr Model CTF878 Startup Guide...
4.1.2 Displaying and Configuring Data The CTF878 enables the viewing of from one to four different measurement parameters simultaneously. The screen can show these parameters not only in numeric format, but as line or bar graphs as well. You can configure any given measurement for your particular requirements. To configure an individual measurement, press [SEL] from the Operate Mode window.
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A drop-down menu shows the three formats. Scroll to the appropriate selection. Press [ENTER] to confirm your selection. The screen immediately displays any changes. For example, if you have changed the first parameter to a line graph, the screen appears similar to Figure 51 below. Model CTF878 Startup Guide...
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Press [SEL] from the Operate Mode window until you have reached the desired measurement. Press [ENTER] to open the Display Menu. Be sure the Limits option is highlighted, and press [ENTER]. A drop-down menu entry, Change, appears. Press [ENTER] again. Model CTF878 Startup Guide...
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When you have configured the graph, press [F3] (OK) to confirm the graph settings, or press [F2] (Cancel) to cancel the changes. The screen returns to Operate Mode, and displays any changes. Model CTF878 Startup Guide...
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Q A Up AuxIn I A Dn Pressure Q A Dn Temperature Corr SNR Volume Carr A Up Fwd Totalizer Carr A Dn Carr G Up Rev Totalizer No Unit Cancel Figure 53: Measurement Menu Window Model CTF878 Startup Guide...
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You might wish to display one or two parameters, or customize the soft keys to quickly access particular menus. The Site Menu enables you to make more comprehensive changes in your display screen. To enter the Site Menu, press the [MENU] key at the lower right of the CTF878 keypad. The Menu Bar replaces the ...
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Note: The CTF878 opens display windows from left to right and from top to bottom, starting from the upper left; that is, if you press “1 View,” the parameter displayed in the upper left window appears. If you press “2 Views,” the parameters shown in the two top windows appear.
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Use the [ ] or [ ] arrow keys to move to the desired FKey (1, 2 or 3) entry on the menu. Press [ENTER]. The Configure FKey window opens, as shown in Figure 57 on page 77. Model CTF878 Startup Guide...
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Press the desired softkey. A window appears with the question, “Assign current menu command to FKeyX?” Press [F3] (Yes) to confirm the assignment and close the window. (Press [F2] (No) to close the window without changing the key.) Model CTF878 Startup Guide...
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The softkey window clears. You can also clear the softkey through the Configure FKey window, by selecting (Clear) as an entry, pressing [ENTER] and then [F3] (OK). Note: Since the customized softkeys are saved globally, they will remain, even if you change site files. Model CTF878 Startup Guide...
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The About option displays useful information concerning the model number and software version of any given CTF878. While the window normally appears briefly at startup, users might want to access the information for a longer period. To open the About window, scroll to the About option on the Site Menu and press [ENTER]. The screen appears similar to Figure 59 below.
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Chapter 4. Figure 60: Site Menu Map Model CTF878 Startup Guide...
• Also displays logged data and diagnostics. 5.1.1.4 PC-Interface Software • PanaView™ Instrument Interface Software option links the CTF878 to a PC computer. Package includes CD-ROM, interconnection cable (please specify type needed), and manual. 5.1.1.5 Volumetric Flow Rate • Actual Volumetric Flow Rate •...
Maximum Velocity = 150 ft/sec (45.7 m/s) Note: The CTF878 requires flow to modulate the ultrasonic signal. The meter will go into error at velocities below approximately 3.6 ft/sec, but will resume function if negative flow is established with velocities greater than 3.6 ft/sec in the reverse direction.
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< 2.5 A after 10 ms, 240V 50 Hz Line Dropout Holdup Time : 10 ms minimum per EN61000-4-11 Protection Built-in mains power surge/lightning protection. 5.1.3.4 Environmental Requirements Operating Temperature: 14° to 130°F (–10° to 55°C) Storage Temperature –40° to 158°F (–40° to 70°C) Model CTF878 Startup Guide...
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10 Hz to 75 Hz Sinewave, 0.020” Peak-to-Peak Displacement Vibration (Unit w/ Packaging) 10 Hz to 75 Hz Sinewave, 0.020” Peak-to-Peak Displacement 5.1.3.5 Regulatory, Safety, Certifications • LVD 950, LVD 1010 • CE Radiated/Conducted, Emissions/Immunity, Burst, Surge, ESD • Type 4X Model CTF878 Startup Guide...
8 to 12 in. (203 to 305 mm) pipe: CFT–V12 12 to 30 in. (305 to 762 mm) pipe: CFT–PI 5.1.4.4 Transducer Fixtures Fixture Materials : Anodized aluminum blocks with stainless steel rod, chain or strap. Mounting Couplant : CPL-16 Damping Material : DMP-CTF-pipe size Model CTF878 Startup Guide...
Up to SCH 80 . Thicker walled pipes may be possible; consult the factory. 5.1.5.4 Pressure Requirements Dry air, oxygen, nitrogen or argon 14.5 psia (1 bara) Sweet natural gas 25 psia (1.7 bara) Model CTF878 Startup Guide...
For CE Mark compliance, the electronics enclosure and the transducer fixture must each have an external ground wire attached. Note: If the CTF878 is wired as described in this appendix, the unit will comply with the EMC Directive 2004/108/EC. Model CTF878 Startup Guide...
Data Records B.1.1 Option Cards Installed Whenever an option card is installed in one of the CTF878’s expansion slots, record the type of card and any additional setup information in the appropriate row of table below. Slot # Type of Option Card...
Type of Option Card Additional Setup Information B.1.2 Initial Setup Data After the CTF878 flowmeter has been installed, some initial setup data must be entered via the User Program , prior to operation. Record that information in table below. General Information Model # Reference Software Vers.
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1100 Technology Park Drive Billerica, MA 01821 declare under our sole responsibility that the DigitalFlow™ CTF878 Clamp-On Gas Ultrasonic Flowmeter to which this declaration relates, is in conformity with the following standards: • EN 61326-1: 2006, Class A, Table 2, Industrial Locations •...
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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 1000 E-mail: mstechsupport@bakerhughes.com Ireland Sensing House Shannon Free Zone East Shannon, County Clare Ireland Tel: +353 61 470200 E-mail: mstechsupport@bakerhughes.com Copyright 2021 Baker Hughes company.
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