GE Panametrics C-RS Ultrasonic Flow Transducers
Contents
1. Top View End View Figure 10 Single Traverse GCF Installation w o Transducers C RS Ultrasonic Flow Transducer Installation Guide 6 3 Mounting Transducers into the GCF IMPORTANT To maintain ATEX certification the transducer face must be protected against impact Protection is provided by properly installing the transducer into the clamping fixture Care must be taken during installation to ensure that protection is provided The last installation step is mounting the transducers into the clamping fixture To mount the transducers into the GCF complete the following steps 1 Apply a thread sealant to the transducer threads A sealant is not required for installations in the USA but a sealant must be used for installations in EU countries 2 Before mounting the transducers into the GCF thread the electrical junction box onto the BNC connector end of the transducer Make sure that at least five full threads are engaged Be sure to orient the cover of the junction box so it is accessible to make cable connections after the transducer is installed 28 C RS Ultrasonic Flow Transducer Installation Guide 6 3 Mounting Transducers into the GCF cont 3 On one of the transducers apply a thin bead of couplant down the ce2. Top View 7 From the second mark on the top of the pipe measure in the opposite direction around the pipe for 1 4 of the circumference Make another crossmark at this point Crossmark Side View C RS Ultrasonic Flow Transducer Installation Guide 25 6 2 The Single Traverse Method GCF cont 8 Center one of the blocks over one of the crossmarks on the pipe Align the block so that the pressure bolt is over the center of the crossmark Secure the block by wrapping two straps around the block and the pipe and tightening them Make sure the turnbuckles are at least 1 2 pipe diameter away from the block Turnbuckles Top View 9 Repeat Step 8 to install the other block over the other crossmark Note Make sure the straps are perpendicular to the bottom of the blocks If the straps are slanted the blocks may move and this could change the final transducer spacing Top View 26 C RS Ultrasonic Flow Transducer Installation Guide 6 2 The Single Traverse Method GCF cont Figure 10 shows a single traverse installation without the transducers
3. 65 C Semi Permanent High Low Temperature 256 to 500 F 160 to 260 C _ Semi Permanent For Portable 4 to 140 F 20 to 60 C Temporary As Required Difficult Applications 14 to 122 F 10 to 50 C Permanent 40 to 446 F 40 to 230 C Permanent Installations involving hotter or colder temperatures than listed above may require special couplants Consult the factory for such applications 4 Preparing for Installation Before the clamping fixture and transducers can be properly installed you must do the following e Choose an installation location e Prepare the pipe e Obtain the transducer spacing e Determine the number of traverses CAUTION A flowmeter s accuracy and performance depends on the location spacing and alignment of the transducers The transducer spacing is unique to your installation 2 C RS Ultrasonic Flow Transducer Installation Guide 4 1 Choosing an Installation Location To select a suitable transducer location complete the following steps 1 Locate the transducer measurement point at least 3 ft 1 m from any butt welds or flanges Ideally the location would be in the center of a 20 ft 6 m section of straight pipe Make sure there is sufficient clearance on both sides of the pipe for easy transducer installation e 6 in 15 cm if you are not using a junction box or e 9 in 22 5 cm if you are using a junction box Note To guarantee the specified
4. IH ad SERS AERIS ALUR HEN HA fal 1 Top View 12 Tighten the pressure bolt all the way down on the short block that is NOT positioned over a crossmark This will act as a reminder that a transducer in NOT installed in that block 13 Use the screw hooks to tighten the chains on the fixed and adjustable short blocks until the blocks are secured snugly to the pipe Note Make sure the chains are perpendicular to the clamping fixture and are not twisted If the chains are slanted the fixture may move and this could change the final transducer spacing C RS Ultrasonic Flow Transducer Installation Guide 15 5 4 The Single Traverse Method UCF cont Figure 6 shows a completed single traverse installation without the transducers FEIPANAMETRICS Side View S H Top View Figure 6 Single Traverse Clamping Fixture w o Transducers 16 C RS Ultrasonic Flow Transducer Installation Guide 5 5 Mounting Transducers into the UCF IMPORTANT To maintain ATEX certification the transducer face must be protected against impact Protection is provided by properly installing the transducer into the clamping fixture Care must be taken during installation to ensure that protection is provided The last installation step is mounting the transducers into the clamping fixture To mount the transducers into the UCF
5. accuracy of the flowmeter a straight section of pipe and a fully developed flow profile are highly recommended If such conditions are not possible the transducer location should be such that the acoustic signal travels through the full distribution of the under developed flow profile for best repeatability 2 Place the transducers as close as possible to the horizontal plane of the pipe see Figure 2 Locate the transducers on opposite sides of the pipe 180 apart ideally at the 3 and 9 o clock positions IMPORTANT Do not place transducers on the top or bottom of the pipe Note For the best flow profile identification in limited straight section of pipe place the transducers at 1 and 7 o clock Transducer Signal Path End View Figure 2 Transducer Placement C RS Ultrasonic Flow Transducer Installation Guide 3 4 2 Preparing the Pipe To prepare the pipe for transducer installation complete the following steps 1 Remove any rust and paint from an area 2 in 5 cm wide by 4 in 10 cm long on one side of the pipe 2 Polish the cleaned area taking care to preserve the original curvature of the pipe 3 With an ultrasonic thickness gage measure the pipe thickness at a minimum of six spots on the cleared area Take at least three measurements at each spot to ensure accuracy The thickness readings should not vary by more than 5 at each spot If you encounter more than a 5 variation at each spot try a different sec
6. all the way down on the unused block This will act as a reminder not to install a transducer in that block Thumbscrew 9 Center the transducer block over one of the crossmarks on the pipe Align it so that the pressure bolt on the block is directly over the center of the crossmark Pressure Bolt Top View 36 C RS Ultrasonic Flow Transducer Installation Guide 6 8 The Single Traverse Method MCF cont 10 Turn the switches on both magnets to the ON position 11 Repeat steps 9 and 10 to mount the other fixture section on the opposite side of the pipe Top View 12 If provided secure the optional safety chain The safety chain prevents the fixture from falling off the pipe if the magnets fail to hold C RS Ultrasonic Flow Transducer Installation Guide 37 6 9 Mounting Transducers into the MCF IMPORTANT To maintain ATEX certification the transducer face must be protected against impact Protection is provided by properly installing the transducer into the clamping fixture Care must be taken during installation to ensure that protection is provided The last installation step is mounting the transducers into the clamping fixture To mount the transducers into the GCF complete the following steps 1 Apply a thread sealant to the transducer threads A sealant is not required for installations in the USA but a sealant must be used for installations in EU cou
7. and are not twisted If the chains are slanted the fixture may move and this could change the final transducer spacing Figure 5 shows a completed double traverse installation without transducers amp Side View 4 Top View Figure 5 Double Traverse Clamping Fixture w o Transducers 10 C RS Ultrasonic Flow Transducer Installation Guide 5 4 The Single Traverse Method UCF Note The instructions in this section can also be used for a multiple traverse method However you must use an ODD number of traverses Consult the factory for details Note You will need both the short block assembly and the long block for a single traverse installation You will also need a marker or scribe to mark the transducer locations on the pipe To install a single traverse UCF complete the following steps 1 Obtain the transducer spacing dimension as described in your flowmeter User s Manual 2 Be sure the location you have chosen for the installation has a straight pipe and undisturbed flow for at least 10 pipe diameters upstream and 5 pipe diameters downstream from the flow measurement point 3 Prepare the pipe where you intend to place the clamping fixture by making sure it is clean and free of loose material Sanding though usually not required may be necessary to remove any high spots on the pipe When sanding be careful to preserve the original curvature of the pipe 4 Find the top of the pipe and use a level to draw a
8. complete the following steps 1 Apply a thread sealant to the transducer threads A sealant is not required for installations in the USA but a sealant must be used for installations in EU countries 2 Before mounting the transducers into the UCF thread the electrical junction box onto the BNC connector end of the transducer Make sure that at least five full threads are engaged Be sure to orient the cover of the junction box so it is accessible to make cable connections after the transducer is installed 3 On one of the transducers apply a thin bead of couplant down the center of its face approximately the size of a toothpaste bead Note To prevent the loss of couplant do not slide the transducer with couplant along the surface of the pipe when mounting Couplant C RS Ultrasonic Flow Transducer Installation Guide 17 5 5 Mounting Transducers into the UCF cont 4 Place the two transducers into the blocks Face the junction box away from the mounting block as shown below Note Ifthe transducer cables are already connected to the flowmeter you must identify the upstream and downstream cables and connect them to the appropriate transducers Top View 5 Use the pressure bolt on the block to secure one of the tran
9. pipe diameters upstream and 5 pipe diameters downstream from the flow measurement point 3 Prepare the pipe where you intend to place the clamping fixture by making sure it is clean and free of loose material Sanding though usually not required may be necessary to remove any high spots on the pipe When sanding be careful to preserve the original curvature of the pipe 4 Using the ruler on the rod move the blocks so they are a distance S from each other To move the block loosen the red thumb screws slide the block to the desired location and tighten the thumb screws As shown below use either the pressure bolts or the ends of the blocks as reference points a s Select one method to set spacing 32 C RS Ultrasonic Flow Transducer Installation Guide 6 7 The Double Traverse Method MCF 5 Locate the magnetic blocks at least 4 in 10 cm away from the transducer blocks This will ensure that there is enough clearance to mount the transducers in the blocks Move the adjustable magnetic blocks in the same manner as the transducer blocks At least 4 6 Position the clamping fixture along the horizontal plane of the pipe However if the pipe is horizontal do not place the fixture on either the top or bottom of the pipe Top View 7 Turn the switches on each magnet to the ON position 8 If provided secure the optional safety chain The safety chain prevents the fixture from fall
10. so that the pressure bolt is over the center of the mark Secure the block by wrapping the two straps around the block and the pipe and tightening them Make sure the turnbuckles are at least 1 2 pipe diameter away from the block Turnbuckles Top View 8 Repeat Step 7 to install the other block over the other crossmark Note Make sure the straps are perpendicular to the bottom of the blocks If the straps are slanted the blocks may move and this could change the final transducer spacing Top View 22 C RS Ultrasonic Flow Transducer Installation Guide 6 1 The Double Traverse Method GCF cont Figure 9 shows a double traverse installation without the transducers End View Figure 9 Double Traverse GCF Installation w o Transducers C RS Ultrasonic Flow Transducer Installation Guide 23 6 2 The Single Traverse Method GCF Note The instructions in this section can also be used for a multiple traverse method However you must use an ODD number of traverses Consult the factory f
11. 6 C RS Ultrasonic Flow Transducer Installation Guide 5 2 Identifying the UCF Components cont End View Side View Pressure Bolt Locking Nut Thumbscrew Short Block 1 Screw Hook fixed and adjustable Long Block 2 Screw Hooks Slide Track Example with Short Blocks Figure 4 Components of the UCF C RS Ultrasonic Flow Transducer Installation Guide 7 5 3 The Double Traverse Method UCF Note The instructions in this section can also be used for a multiple traverse method However you must use an EVEN number of traverses Consult the factory for details There are three advantages to using the double traverse method e Accuracy is improved because the signal is in contact with the fluid longer than with a single traverse method e This configuration can reduce some effect of an underdeveloped flow profile e If there is enough pipe length available the double traverse fixture is easier to install Note You will only need the short block assembly for a double traverse installation The long block is not used To install a double traverse UCF complete the following steps 1 Obtain the transducer spacing dimension as described in your flowmeter User s Manual 2 Be sure the location you have chosen for the installation has a straight pipe and undisturbed flow for at least 10 pipe diameters upstream and 5 pipe diameters downstream from the flow measurement point 3 Prepare the pipe where you intend to
12. GE Measurement amp Control Solutions Flow CModel C RS Ultrasonic Flow Transducer Installation Guide k 916 077 Rev C Imagination at wor July 2010 Model C RS Ultrasonic Flow Transducer Installation Guide 916 077 Rev C July 2010 GESensinglnspection com 2010 General Electric Company All rights reserved Technical content subject to change without notice no content intended for this page sai pi Dee oe Contents HEM EOO UI CTIOR carers packet ica race soso vada sai ta RN cea aig She cea dung anne net yee te Re al ine Sayer anand 1 MRANSAUESP GCONSIICH ON Ix ta cites staat ance pitt does te are a hearst Sasa tat bt ede Beans lle io SoCal ihe tbink My dat tad 1 COUPIANtS noa en tan hin ee cat ca ee tana a htt AA E Nodak Stags Sele ioe E bits od ey 2 Preparing for INStGllatlon lt 2 22 rise tat teas ik ang Dae a era eae IS Bh eee Sas ee eens 2 4 1 Choosing an Installation LOCAtION s dion nae ditan Shedd ps ese de iin Bed Shad heed Ma Shee SS 3 42 PISDONING INO PIDetS os choad need on bode boobed a he lced Gnd oie SG once ede dete din ead ee Soa 4 4 3 Obtaining the Transducer Spacing sess yews sane wy eee da eal beta gale ea pen eee 4 4 4 Determining the Number of Traverses 2 0 0 0 cence ene renee eee debe e eet b teen enes 4 Installing the Universal Clamping Fixture and Transducers UCF n n 00 0 c cece cece arrer rreren 6 Sliven Fixture kengt ieska ee Pam eg ee EER See RCE
13. Ser ph ee APE a Dee OTE Oa See 6 52ldentifymng tne UCF Components sosi cleats rect ac ea aA ial acacerd D Aas Secure 6 5 3 The Double Traverse Method UCF acces teh nity techy yin td seca cael y errre sepatini ar etnd Venehieid eetu danaad weit 8 5 4 The Single Traverse Method NG Feiccnal a misc let csee weit cial Sore ort carla aS Sed d OF weal are care a 11 5 5 Mounting Transducers into the UG Acs i loa Os Madde eo aR etn ea teks Ballons Rel og 17 Installing the General Clamping Fixture and Transducers GCF 2 2 6 eee cece ce teen ence eens 20 6 1 The Double Traverse Method peg Ol aaa eee eee ee ee ee ee ee ee ee ee 20 6 2 The Single Traverse Method GCF 3cs2s 3cdeneieadatetigagends dete td danbals iieerde Weenies eens 24 6 3 Mounting Transducers into the GCP snci lt bance t ddd e SOUSA rrer rnnr rn rur rurarun et teal aden es 28 6 4 Installing the Magnetic Clamping Fixture and Transducers MCF 00 eee e eee ee eee ene ee 31 6 5 ldentifying the MCF COmMponentS sii erers gait a a E EEEE ad ey E EE EAE EE a 31 6 6 The Double Traverse Method MCF 0 0 cece cece cence cnet e ee een n ene n eee nneeeeeneeees 32 6 7 The Double Traverse Method IMC ri aa alan rel te cee caer ah ata cee Calin ca he at ra kha tetera Coe ata 33 6 8 The Single Traverse Method MCF n nnnnnnnenn Re pT ee geen ea 34 6 9 Mounting Transduicersinte the MCF ceii geod eel ated ey a hd A N sled erie alae 38 6 10 Maintaining the C RS TrAASGUGE IS c ce
14. above and any ancillary sample handling systems supplied with them do not bear CE marking for the Pressure Equipment Directive as they are supplied in accordance with Article 3 Section 3 sound engineering practices and codes of good workmanship of the Pressure Equipment Directive 97 23 EC for DN lt 25 2009 Year of Issue Mr Gary Kozinski Senior Certification Engineer EN CE TUV no content intended for this page 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 sensing ge com Ireland Sensing House Shannon Free Zone East Shannon County Clare Ireland Tel 353 0 61 470291 E mail gesensingsnnservices ge com An ISO 9001 2000 Certified Company www gesensinginspection com en about_us quality html 916 077 Rev C www gesensinginspection com 2010 General Electric Company All rights reserved Technical content subject to change without notice
15. all a double traverse GCF complete the following steps 1 Obtain the transducer spacing dimension as described in your flowmeter User s Manual 2 Be sure the location you have chosen for the installation has a straight pipe and undisturbed flow for at least 10 pipe diameters upstream and 5 pipe diameters downstream from the flow measurement point 3 Prepare the pipe where you intend to place the clamping fixture by making sure it is clean and free of loose material Sanding though usually not required may be necessary to remove any high spots on the pipe When sanding be careful to preserve the original curvature of the pipe 4 Find the top of the pipe and use a level to draw a line parallel to the center line of the pipe 20 C RS Ultrasonic Flow Transducer Installation Guide 6 1 The Double Traverse Method GCF cont Top of Pipe Side View 5 Make two marks on the line at the top of the pipe The distance between these two marks must equal the calculated transducer spacing S Spacing E ne Mark Side View 6 From each of the marks measure around the circumference of the pipe in the same direction a distance equal to 1 4 of the pipe circumference Make a crossmark at each point Side View Crossmarks C RS Ultrasonic Flow Transducer Installation Guide 21 6 1 The Double Traverse Method GCF cont 7 Center one of the blocks over one of the crossmarks on the pipe Align the block
16. bility that the FGA 311 In Situ Flue Gas Oxygen Transmitter to which this declaration relates in accordance with the provisions of ATEX Directive 94 9 EC Annex II meets the following specifications CE e 1180 ISSeP02ATEX028X T95 C IP66 Housing Furthermore the following additional requirements and specifications apply to the product e Having been designed in accordance with EN 50014 EN 50018 and EN 50281 the product meets the fault tolerance requirements of electrical apparatus for category d e The product is an electrical apparatus and must be installed in the hazardous area in accordance with the requirements of the EC Type Examination Certificate The installation must be carried out in accordance with all appropriate international national and local standard codes and practices and site regulations for flameproof apparatus and in accordance with the instructions contained in the manual Access to the circuitry must not be made during operation Only trained competent personnel may install operate and maintain the equipment The product has been designed so that the protection afforded will not be reduced due to the effects of corrosion of materials electrical conductivity impact strength aging resistance or the effects of temperature variations e The product cannot be repaired by the user it must be replaced by an equivalent certified product Repairs should only be carried out by the manufacturer or by an approved
17. city in accordance with the short circuit current of the supply C RS Ultrasonic Flow Transducer Installation Guide 43 44 no content intended for this page C RS Ultrasonic Flow Transducer Installation Guide Warranty Warranty Each instrument manufactured by GE Sensing is warranted to be free from defects in material and workmanship Liability under this warranty is limited to restoring the instrument to normal operation or replacing the instrument at the sole discretion of GE Sensing Fuses and batteries are specifically excluded from any liability This warranty is effective from the date of delivery to the original purchaser If GE Sensing determines that the equipment was defective the warranty period is e one year from delivery for electronic or mechanical failures one year from delivery for sensor shelf life If GE Sensing determines that the equipment was damaged by misuse improper installation the use of unauthorized replacement parts or operating conditions outside the guidelines specified by GE Sensing the repairs are not covered under this warranty The warranties set forth herein are exclusive and are in lieu of all other warranties whether statutory express or implied including warranties or merchantability 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 fol
18. e eienedce enc ais featured caicus ala CEA AOS AY STL WET 42 6 TI SpECItICatIoN ko ee ene EE O Cr ee eee a eT tee ae Se ne eg a aa T TO 43 C RS Ultrasonic Flow Transducer Installation Guide iil Contents no content intended for this page iv C RS Ultrasonic Flow Transducer Installation Guide Preface Information Paragraphs e Note paragraphs provide information that provides a deeper understanding of the situation but is not essential to the proper completion of the instructions e Important paragraphs provide information that emphasizes instructions that are essential to proper setup of the equipment Failure to follow these instructions carefully may cause unreliable performance e Caution paragraphs provide information that alerts the operator to a hazardous situation that can cause damage to property or equipment e Warning paragraphs provide information that alerts the operator to a hazardous situation that can cause injury to personnel Cautionary information is also included when applicable Safety Issues WARNING Itis the responsibility of the user to make sure all local county state and national codes regulations rules and laws related to safety and safe operating conditions are met for each installation Auxiliary Equipment Local Safety Standards The user must make sure that he operates all auxiliary equipment in accordance with local codes standards regulations or laws applicable to safety Workin
19. e of the pipe 4 Find the top of the pipe and use a level to draw a line parallel to the center line of the pipe Top of Pipe Side View 34 C RS Ultrasonic Flow Transducer Installation Guide 6 8 The Single Traverse Method MCF cont 5 Make two marks on the line at the top of the pipe The distance between these two marks must equal the calculated transducer spacing S Spacing _ Mark w 4 Side View 6 From one of the marks measure around the circumference of the pipe a distance equal to 1 4 of the pipe circumference Make a crossmark at this point Crossmark Side View C RS Ultrasonic Flow Transducer Installation Guide 35 6 8 The Single Traverse Method MCF cont 7 From the second mark on the top of the pipe measure in the opposite direction around the pipe for 1 4 of the circumference Make another crossmark at this point 8 On one of the fixture sections position the transducer block anywhere along the rods Be sure to leave enough room on both sides to easily insert the transducers To move the block loosen the red thumbscrews slide the block to the desired location and tighten the thumbscrews Use the pressure bolt as the measuring point for the block Repeat for the other fixture section Note Ifyou are using a fixture with two transducer blocks adjust one block as described above and push the unused block all the way to one side of the rail Tighten the pressure bolt
20. ected 9 Make the transducer cable connections as described in the flowmeter User s Manual C RS Ultrasonic Flow Transducer Installation Guide 19 6 Installing the General Clamping Fixture and Transducers GCF The General Clamping Fixture GCF acts as a permanent transducer holder The fixture has two blocks see Figure 8 that are used for both double and single traverse methods Steel straps secure the blocks to the pipe for a permanent installation The transducer installation consists of mounting the GCF to the pipe and then mounting the transducers into the blocks Refer to the appropriate section for instructions on either the double traverse method or the single traverse method End View Side View Figure 8 General Clamping Fixture Block 6 1 The Double Traverse Method GCF Note The instructions in this section can also be used for a multiple traverse method However you must use an EVEN number of traverses Consult the factory for details There are three advantages to using the double traverse method e Accuracy is improved because the signal is in contact with the fluid longer than with a single traverse method e This configuration can reduce some effect of an underdeveloped flow profile e If there is enough pipe length available the double traverse fixture is easier to install You will need a level and a marker or scribe to locate and mark the transducer locations on the pipe To inst
21. ectronics has been disconnected 8 Make the transducer cable connections as described in the flowmeter User s Manual C RS Ultrasonic Flow Transducer Installation Guide 41 6 10 Maintaining the C RS Transducers Transducers couplant the clamping fixture and dampening material are provided by the factory Once you have completed installation little maintenance is required Refer to Table 3 for maintenance information Transducer Table 3 Maintenance Checks Maintenance Check No additional adjustments or maintenance is needed If you suspect something is wrong with a transducer or need to replace a transducer simply loosen the pressure bolt that secures the transducer in place and remove it If necessary loosen the locking nut with a wrench Refer to Installing the Transducers to insert a new transducer Comments No cleaning is required Couplant Verify every 6 months in dry areas e g the desert Verify every 12 months in other areas Measure the signal strength using the flowmeter diagnostics and compare it to the value taken at the time of installation Good and bad limits are listed in the flowmeter User s Manual No cleaning is required Dampening N A Material The expected life is 25 years Consult GE for additional information if needed No cleaning is required Clamping Determined by user Fixture 42 Periodic inspection and tightening of the clamping fixture nuts is req
22. g Area WARNING Auxiliary equipment may have both manual and automatic modes of operation As equipment can move suddenly and without warning do not enter the work cell of this equipment during automatic operation and do not enter the work envelope of this equipment during manual operation If you do serious injury can result WARNING Make sure that power to the auxiliary equipment is turned OFF and locked out before you perform maintenance procedures on the equipment Qualification of Personnel Make sure that all personnel have manufacturer approved training applicable to the auxiliary equipment Personal Safety Equipment Make sure that operators and maintenance personnel have all safety equipment applicable to the auxiliary equipment Examples include safety glasses protective headgear safety shoes etc Unauthorized Operation Make sure that unauthorized personnel cannot gain access to the operation of the equipment C RS Ultrasonic Flow Transducer Installation Guide v Preface Environmental Compliance Waste Electrical and Electronic Equipment WEEE Directive GE Measurement amp Control Solutions is an active participant in Europe s Waste Electrical and Electronic Equipment WEEE take back initiative directive 2002 96 EC The equipment that you bought has required the extraction and use of natural resources for its production It may contain hazardous substances that could impact health and the environment I
23. ing off the pipe if the magnets fail to hold C RS Ultrasonic Flow Transducer Installation Guide 33 6 8 The Single Traverse Method MCF The single traverse MCF consists of two sections Each section includes two magnetic blocks which are connected by two parallel rods In addition a sliding transducer block which is used to hold the transducer in proper alignment is mounted on the two rods The two sections are mounted on opposite sides of the pipe from each other Note In some applications an MCF with two transducer blocks is used WARNING Do not use the MCF at temperatures that exceed 120 F 49 C or the fixture will fall off the pipe Note The instructions in this section can also be used for a multiple traverse method However you must use an ODD number of traverses Consult the factory for details To install a single traverse MCF complete the following steps 1 Obtain the transducer spacing dimension as described in your flowmeter User s Manual 2 Be sure the location you have chosen for the installation has a straight pipe and undisturbed flow for at least 10 pipe diameters upstream and 5 pipe diameters downstream from the flow measurement point 3 Prepare the pipe where you intend to place the clamping fixture by making sure it is clean and free of loose material Sanding though usually not required may be necessary to remove any high spots on the pipe When sanding be careful to preserve the original curvatur
24. it is secured snugly to the pipe Note Make sure the chains are perpendicular to the clamping fixture and are not twisted If the chains are slanted the fixture may move and this could change the final transducer spacing ay J D DDD DISS ISIS f Q Tighten Screw Hooks Top View 10 Position the clamping fixture rails so that one of the short blocks is placed over the remaining crossmark on the opposite side of the pipe and the pressure bolt is over the center of the crossmark Make sure the block does not lie on top of the long block chains Short Block One of two Crossmark Crossmark Top View 14 C RS Ultrasonic Flow Transducer Installation Guide 5 4 The Single Traverse Method UCF cont 11 Wrap the chain on one small block around the pipe and fasten the chain to the screw hook on the opposite side of the block Repeat this for the second short block Note Make sure the chains on both blocks are on the same side of the fixture and are on the opposite side from the ruler me ne ll Ie ih i ad
25. line parallel to the center line of the pipe Top of Pipe Side View C RS Ultrasonic Flow Transducer Installation Guide 11 5 4 The Single Traverse Method UCF cont 5 Make two marks on the line at the top of the pipe The distance between these two marks must equal the calculated transducer spacing S Spacing Side View 6 From one of the marks measure around the circumference of the pipe a distance equal to 1 4 of the pipe circumference Make a crossmark at this point Crossmark Side View 12 C RS Ultrasonic Flow Transducer Installation Guide 5 4 The Single Traverse Method UCF cont 7 From the second mark on the top of the pipe measure in the opposite direction around the pipe for 1 4 of the circumference Make another crossmark at this point Spacing Crossmark Side View 8 Center the long block over one of the crosssmarks on the pipe Align the long block so that the pressure bolt is over the center of the crossmark Fasten the block by wrapping both chains around the pipe and fastening the chains to the screw hooks on the opposite side of the block Fasten Chains Top View C RS Ultrasonic Flow Transducer Installation Guide 13 5 4 The Single Traverse Method UCF cont 9 Use the wing nuts to tighten the chains on the long block until
26. lowing procedure must be completed 1 Notify GE Sensing giving full details of the problem and provide the model number and serial number of the instrument If the nature of the problem indicates the need for factory service GE Sensing will issue a RETURN AUTHORIZATION NUMBER RAN and shipping instructions for the return of the instrument to a service center will be provided 2 IfGE Sensing 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 3 Upon receipt GE Sensing will evaluate the instrument to determine the cause of the malfunction Then one of the following courses of action will then be taken e Ifthe damage is covered under the terms of the warranty the instrument will be repaired at no cost to the owner and returned e If GE Sensing determines that the damage is not covered under the terms of the warranty or if the warranty has expired an estimate for the cost of the repairs at standard rates will be provided Upon receipt of the owner s approval to proceed the instrument will be repaired and returned C RS Ultrasonic Flow Transducer Installation Guide 45 Warranty no content intended for this page 46 C RS Ultrasonic Flow Transducer Installation Guide ATEX sensing COMPLIANCE We GE Sensing 1100 Technology Park Drive Billerica MA 01821 USA as the manufacturer declare under our sole responsi
27. n order to avoid the dissemination of those substances in our environment and to diminish the pressure on the natural resources we encourage you to use the appropriate take back systems Those systems will reuse or recycle most of the materials of your end life equipment in a sound way The crossed out wheeled bin symbol invites you to use those systems If you need more information on the collection reuse and recycling systems please contact your local or regional waste administration Visit http www gesensing com environment weee htm for take back instructions and more information about this initiative vi C RS Ultrasonic Flow Transducer Installation Guide 1 Introduction The Model C RS clamp on ultrasonic flow transducer for liquids is used exclusively with the GE line of ultrasonic flowmeters These transducers measure the flow rate of sonically conductive liquids through pipes having diameters from 2 in 5 cm to over 300 in 7 6 m Such measurements are typically independent of the pipe material 2 Transducer Construction C RS transducers may be used at process temperatures from 40 to 302 F 40 to 150 C Each C RS transducer assembly consists of the following components see Figure 1 e A stainless steel adapter with 3 4 NPT male thread for attaching a junction box e A transducer that consists of a peizoelectric element mounted on a wedge and wired to the BNC connector e A BNC style connector for use in connec
28. nter of its face approximately the size of a toothpaste bead Note To prevent the loss of couplant do not slide the transducer with couplant along the surface of the pipe when mounting Couplant 4 Place the two transducers into the blocks Make sure the junction box faces away from the mounting block as shown below Note Ifthe transducer cables are already connected to the flowmeter you must identify the upstream and downstream cables and connect them to the appropriate transducers Locking Nut Top View 5 Use the pressure bolt on the block to secure one of the transducers in place The pressure bolt should fit into the dimple in the transducer body Hand tighten the bolt just enough to hold the transducer in place Do not overtighten the bolt or the clamping fixture may lift off the pipe 6 Tighten the locking nut on the pressure bolt see Figure 4 on page 7 C RS Ultrasonic Flow Transducer Installation Guide 29 6 3 Mounting Transducers into the GCF cont IMPORTANT When using the GCF on a pipe subject to mechanical vibration the locking nut must be used to secure the pressure bolt to the transducer For additional resistance to vibration a thread lock compound or a Stainless steel washer and lock washe
29. ntries 2 Before mounting the transducers into the MCF thread the electrical junction box onto the BNC connector end of the transducer Make sure that at least five full threads are engaged Be sure to orient the cover of the junction box so it is accessible to make cable connections after the transducer is installed 38 C RS Ultrasonic Flow Transducer Installation Guide 6 9 Mounting Transducers into the MCF cont 3 On one of the transducers apply a thin bead of couplant down the center of its face approximately the size of a toothpaste bead Note To prevent the loss of couplant do not slide the transducer with couplant along the surface of the pipe when mounting Couplant 4 Place the two transducers into the blocks Make sure the junction box faces away from the mounting block as shown below Note Ifthe transducer cables are already connected to the flowmeter you must identify the upstream and downstream cables and connect them to the appropriate transducers Top of Pipe ee A Side View C RS Ultrasonic Flow Transducer Installation Guide 39 6 9 Mounting Transducers into the MCF cont 5 Use the pressure bolt on the block to secure one of the transducers in place The pressure bolt should fit into the dimple in the transducer body Hand tighten the bolt just enough to hold the transducer in place Do not overtighten the bolt or the clamping fixture may lift off
30. or details You will need a level and a marker or scribe to locate and mark the transducer locations on the pipe To install a single traverse GCF complete the following steps 1 2 5 24 Obtain the transducer spacing dimension as described in your flowmeter User s Manual Be sure the location you have chosen for the installation has a straight pipe and undisturbed flow for at least 10 pipe diameters upstream and 5 pipe diameters downstream from the flow measurement point Prepare the pipe where you intend to place the clamping fixture by making sure it is clean and free of loose material Sanding though usually not required may be necessary to remove any high spots on the pipe When sanding be careful to preserve the original curvature of the pipe Find the top of the pipe and use a level to draw a line parallel to the center line of the pipe Top of Pipe Side View Make two marks on the line at the top of the pipe The distance between these two marks must equal the calculated transducer spacing S gt Spacing E Side View C RS Ultrasonic Flow Transducer Installation Guide 6 2 The Single Traverse Method GCF cont 6 From one of the marks measure around the circumference of the pipe a distance equal to 1 4 of the pipe circumference Make a crossmark at this point
31. place the clamping fixture by making sure it is clean and free of loose material Sanding though usually not required may be necessary to remove any high spots on the pipe When sanding be careful to preserve the original curvature of the pipe 8 C RS Ultrasonic Flow Transducer Installation Guide 5 3 The Double Traverse Method UCF cont 4 Using the attached ruler move the blocks so they are a distance S from each other As shown below use either the pressure bolts or the ends of the blocks as reference points Centerline Centerline S Spacing 7 A in S Spacing E Select one method to set the spacing 5 Position the clamping fixture along the horizontal plane of the pipe not on the top or bottom Make sure the chains are both on the opposite side of the pipe from the slide track with the ruler B Side View C RS Ultrasonic Flow Transducer Installation Guide 9 5 3 The Double Traverse Method UCF cont 6 Wrap the chain around the pipe and fasten the chain on the J screw hook on the opposite side of the block Do this for both blocks nics SS Be ish GOCE Cee Top View 7 Using the screw hook on the blocks tighten the chains until the fixture is secured snugly to the side of the pipe Note Make sure the chains are perpendicular to the clamping fixture
32. r may also be used These items can be ordered from GE by requesting a special clamping fixture and specifying either the thread lock or the washers See typical completed GCF installations in Figure 11 Note Ifyou have mounted the transducers into the UCF properly the two transducer cable connectors will face away from each other as shown below Double Traverse Installation Top View Single Traverse Installation Top View Figure 11 Completed GCF Installations with Transducers WARNING Before performing the next step make sure power to the flowmeter electronics has been disconnected 7 Make the transducer cable connections as described in the flowmeter User s Manual 30 C RS Ultrasonic Flow Transducer Installation Guide 6 4 Installing the Magnetic Clamping Fixture and Transducers MCF The Magnetic Clamping Fixture MCF is used to fasten transducers to the pipe at the proper spacing without chains or straps The MCF can be used only on ferrous pipe materials Different fixtures are used for the single and double traverse installations Each type of MCF has magnets at both ends of the fixtures When the magnets are turned ON the fixture magnetically clamps to the pipe wall 6 5 Identifying the MCF Components Refer to Figure 12 to identify the MCF components Then proceed to the instructions for either the double traverse method or the single traverse method Transducer Block Magnetic Block Press
33. repairer e The product must not be subjected to mechanical or thermal stresses in excess of those permitted in the certification documentation and the instruction manual e The product contains no exposed parts which produce surface temperature infrared electromagnetic ionizing or non electrical dangers The setting of the electronic protective device ensuring that the temperature class indicated in this certificate is fulfilled shall be affected for each apparatus under the responsibility of the manufacturer Furthermore this setting shall not be modified CE no content intended for this page GE l DECLARATION ensing OF CONFORMITY We GE Sensing 1100 Technology Park Drive Billerica MA 01821 USA declare under our sole responsibility that the FGA311 In Situ Flue Gas Oxygen Transmitter to which this declaration relates is in conformity with the following standards e EN 61326 1 2006 Class A Table 2 Industrial Locations e EN 61326 2 3 2006 e EN 61010 1 2001 Over voltage Category Il Pollution Degree 2 following the provisions of Directives 2004 108 EC EMC 2006 95 EC Low Voltage and 94 9 EC ATEX Where products were initially assessed for compliance with the Essential Health and Safety Requirements of the ATEX Directive 94 9 EC using earlier harmonized standards a subsequent review has determined that technical knowledge is unaffected by the current harmonized standards listed above The units listed
34. rself with the fixture components IMPORTANT To maintain ATEX certification the transducer face must be protected against impact Protection is provided by properly installing the transducer into the clamping fixture Care must be taken during installation to ensure that protection is provided 5 1 Verify Fixture Length The UCF is available in 12 in 30 cm and 24 in 60 cm lengths Each size fixture can be used for either the single or double traverse method However the pipe size ranges listed in Table 2 below must be followed for each method Table 2 UCF Pipe Size Ranges Clamping Fixture Single Traverse Double Traverse Length Pipe Diameter Pipe Diameter 2 to 24 in 2 to 12 in 5 to 60 cm 5 to 30 cm 2 to 48 in 2 to 24 in 5 to 120 cm 5 to 60 cm Note The mounting chain or strap provided by GE with your UCF is the one best suited for your application 5 2 Identifying the UCF Components The UCF includes the following components see Figure 4 on page 7 Two adjustable short blocks for use in the double traverse method e Two slide tracks that connect the two blocks e A ruler attached to one of the slide tracks to help set the transducer spacing e A long block for use in the single traverse method The UCF is chained or strapped to the pipe Two blocks which are positioned using the transducer spacing calculated by the flowmeter are used to hold the transducers in the proper location on the pipe
35. sducers in place The pressure bolt should fit into the dimple in the transducer body Hand tighten the bolt just enough to hold the transducer in place Do not overtighten the bolt or the clamping fixture may lift off the pipe 7 TT 7 pi y CE es nn A S Top View 6 Tighten the locking nut on the pressure bolt see Figure 4 on page 7 IMPORTANT When using the UCF on a pipe subject to mechanical vibration the locking nut must be used to secure the pressure bolt to the transducer For additional resistance to vibration a thread lock compound or a stainless steel washer and lock washer may also be used These items can be ordered from GE by requesting a special clamping fixture and specifying either the thread lock or the washers 18 C RS Ultrasonic Flow Transducer Installation Guide 5 5 Mounting Transducers into the UCF cont 7 Repeat Steps 1 to 6 to mount the other transducer into the remaining block 8 Secure the short block to the rail by tightening the thumbscrew See typical completed UCF installations in Figure 7 Note Ifyou have mounted the transducers into the UCF properly the two transducer cable connectors will face away from each other as shown below Double Traverse Installation Top View Single Traverse Installation Top View Figure 7 Completed UCF Installations with Transducers WARNING Before performing the next step make sure power to the flowmeter electronics has been disconn
36. ss from each other The ultrasonic signal is transmitted directly from one transducer to the other by traveling across the pipe If the pipe diameter is 4 to 20 in 10 to 50 cm you should always try the double traverse method first because it easier to install and provides greater accuracy The single traverse method is preferred in the following situations e pipe diameters greater than 20 in 50 cm e pipes with poor inside surface conditions e applications with a highly attenuating fluid Note For all installations it may be useful to try both methods to determine which one yields more accurate results Proceed to the appropriate section to properly install your clamping fixture and transducers 4 C RS Ultrasonic Flow Transducer Installation Guide 4 4 Determining the Number of Traverses cont Double Traverse V Method Transducers ae Ultrasonic Signal Path TOP VIEW Single Traverse Z Method Transducer ne oe Transducer TOP VIEW Figure 3 Double and Single Traverse Installations C RS Ultrasonic Flow Transducer Installation Guide 5 5 Installing the Universal Clamping Fixture and Transducers UCF The Universal Clamping Fixture UCF acts as a spacing device and a transducer holder The UCF is available in two lengths and includes several components Before you begin the installation you should verify that your fixture is the correct length and familiarize you
37. the pipe WARNING Overtightening the pressure bolt will cause the magnet to separate from the pipe 6 Tighten the locking nut on the pressure bolt as shown below Note If you have mounted the transducer into the MCF properly the junction box will face away from the center of the fixture as shown below Pressure Bolt Locking oN Wi S m K N N A gt er Top View 7 Repeat Steps 1 to 6 to mount the other transducer in the remaining block IMPORTANT When using the MCF on a pipe subject to mechanical vibration the locking nut must be used to secure the pressure bolt to the transducer For additional resistance to vibration a thread lock compound or a stainless steel washer and lock washer may also be used These items can be ordered from GE by requesting a special clamping fixture and specifying either the thread lock or the washers C RS Ultrasonic Flow Transducer Installation Guide 6 9 Mounting Transducers into the MCF cont See typical completed MCF installations in Figure 13 below WARNING _ If your fixture is installed at an elevated location GE recommends securing the fixture with the optional safety chain or a tether leash to prevent injury if the fixture falls off the pipe Double Traverse Installation Top View Single Traverse Installation Top View Figure 13 Completed MCF Installations with Transducers WARNING Before performing the next step make sure power to the flowmeter el
38. ting the transducer to the flowmeter Note The process temperature range specified above is for ATEX certified designs Consult the factory for higher temperatures BNC Connector Transducer Body Figure 1 General C RS Transducer Assembly C RS Ultrasonic Flow Transducer Installation Guide 1 3 Couplants An ultrasonic couplant is supplied for your C RS installation The purpose of the couplant is to provide reliable transmission of ultrasound between two adjacent solid surfaces Generally speaking couplants perform this task by excluding air from between the adjacent surfaces Accordingly the C RS transducers should be pressed tightly against the pipe using hand pressure on the set screw to squeeze the couplant to as thin a film as practical for the given pipe surface The most commonly used couplants in ultrasonic testing are ordinarily satisfactory for any short term clamp on flowmeter application These couplants include in general order of preference gels grease propylene glycol oil glycerine and water Long term couplants include grease epoxy adhesive and solid rubber like sheet couplant The factory provides couplants for both permanent and temporary use as well as for high and low temperature applications For long term installations make sure the couplant does not dry or run out Standard couplants supplied by GE are listed in Table 1 Table 1 Couplants TEMP RANGE 40 to 149 F 40 to
39. tion of the pipe Verify that the wall thickness at both transducer locations has less than the 5 variation 4 Measure the outside diameter OD of the pipe using a tape measure or the supplied pipe wrap 4 3 Obtaining the Transducer Spacing Before installing the clamping fixture you must obtain the calculated transducer spacing from the flowmeter You will need to know the transducer spacing to complete this procedure To obtain the transducer spacing you must enter the measured pipe OD and the pipe wall thickness into the Pipe Parameters menu of the flowmeter User Program The flowmeter will then calculate the correct transducer spacing for the installation Refer to your flowmeter User s Manual for more details 4 4 Determining the Number of Traverses The next step in the installation is to determine the number of traverses that you will use The transducers can be mounted using one of two methods see Figure 3 on the next page Note The number of traverses refers to the number of times the ultrasonic signal transmitted from one transducer passes through the fluid from one side of the pipe to the other before it reaches the second transducer Double traverse method V method transducers are mounted on the same side of the pipe The ultrasonic signal is sent from one transducer to the other by bouncing it off the opposite pipe wall Single traverse method Z method transducers are mounted diagonally acro
40. uired to ensure the clamping fixture does not become loose and fall from the pipe possibly causing injury No cleaning is required C RS Ultrasonic Flow Transducer Installation Guide 6 11 Specifications Parameter Intended Uses Table 4 C RS Transducer Specifications Transducer 402 Mid size pipes High performance Small pipes High performance Large pipes Ductile iron pipes Lined pipes Two phase liquid High performance Installation Type Clamp on for liquid applications Material 316 Stainless Steel or plastic Pipe Sizes 2 to 6 5 to 15 cm diameter 2 to 300 5 cm to 7 5 m diameter 2 to 300 5 cm to 7 5 m diameter Operating Frequency 0 5 MHz 1 0 MHz 2 0 MHz Electrical Rating 200 V peak to peak 5 mA Ambient Temperature Range 40 to 167 F 40 to 75 C Process Temperature Range 40 to 302 F 40 to 150 C North American Certification Explosion proof Class Division 1 Group B C amp D G C US European Certification Flameproof G Il 2 GD EEx md IIC T6 80 C Tam 40 to 75 C 40 to 167 F KEMA O2ATEX2337 X North American Certification Weatherproof IP66 TYPE 4X 200Vpp 5mA G C US European Certification Weatherproof IP 66 IMPORTANT The transducer is protected by a suitable fuse located in the flowmeter electronics The fuse has a breaking capa
41. ure Bolt Locking Nut ON OFF Switch D mnt we Optional p a ty Safety Chain Ome x r n numpserews Figure 12 Transducer Block and Magnetic Block MCF C RS Ultrasonic Flow Transducer Installation Guide 31 6 6 The Double Traverse Method MCF The double traverse MCF consists of two adjustable blocks which are connected by two parallel rods One of the rods acts as a scale or ruler to help you properly space the transducers Also included in the fixture are two adjustable transducer blocks WARNING Do not use the MCF at temperatures that exceed 120 F 49 C or the fixture will fall off the pipe Note The instructions in this section can also be used for a multiple traverse method However you must use an EVEN number of traverses Consult the factory for details There are three advantages to using the double traverse method e Accuracy is improved because the signal is in contact with the fluid longer than with a single traverse method e This configuration can reduce some effect of an underdeveloped flow profile e If there is enough pipe length available the double traverse fixture is easier to install To install a double traverse MCF complete the following steps 1 Obtain the transducer spacing dimension as described in your flowmeter User s Manual 2 Be sure the location you have chosen for the installation has a straight pipe and undisturbed flow for at least 10
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