BARTON Model J8A Pressure-Temperature Recorder User Manual
Contents
1. d Slip the range arm on pen shaft to 50 on chart 4 Release pressure and reset the pen to zero indication using pen zero adjust screw for fine adjustment 10 or less For major adjustments more than 10 loosen range arm lock screw and slip the pen to zero on chart and retighten lock screw 14 J8A Temperature Pressure Recorder Section 4 RANGE ARM LOCK SCREW STATIC PRESSURE ELEMENT PEN SHAFT RANGE ARM PEN MOUNT CLAMPBLOCK RECORDER SOS SCREW CHART 5 4 PEN ZERO SS ADJUST LINK TAB SCREW FOR FINE DRIVE ADJUST THUMB NUT LOCK SCREW THUMB NUT LEVER ARM STATIC PRESSURE PEN ASSEMBLY FOR FINE ADJUST SHOWN AT 50 POSITION DRIVE ARM Figure 4 1 Static pressure pen calibration IMPORTANT It may be necessary to raise or lower the pivot point of the drive link on the range arm as in step 3 If counterclockwise movement of thumb nut step 5 does not increase span sufficiently move the pivot pin up to next pivot hole if clockwise movement of the thumb nut does not decrease span sufficiently move pivot pin down to the next pivot hole 5 Apply 100 pressure and observe the pen Make the necessary adjust ments by turning the drive arm thumb nut counterclockwise if the pen is slightly underranged and clockwise if the pen is slightly overranged Repeat zero and 100 adjustment until calibration at these two points is achieved 6 Apply 50 pressur2. Class V Thermal System Ambient Temperature Compensated Class VA Fully compensated 40 to 600 F 40 to 315 Glass dese Case compensated 40 to 600 F 40 to 315 C Class Thermal System Ambient Temperature Compensated GlasslA usina Fully compensated Glass cian d eee Case compensated Class Range Limits Ethyl Benzene 125 to 350 F 87 to 177 C Kerosene KER 20 to 500 F 29 to 260 C Alcohol ALC 200 to 150 F 129 to 66 C 33 Section 7 J8A Temperature Pressure Recorder 34 Product Warranty Warranty Cameron International Corporation Cameron warrants that at the time of shipment the products manufactured by Cameron and sold hereunder will be free from defects in mate rial and workmanship and will conform to the specifications furnished by or approved by Cameron B Warranty Adjustment 1 2 If any defect within this warranty appears Buyer shall notify Cameron immediately Cameron agrees to repair or furnish a replacement for but not install any product which within one 1 year from the date of shipment by Cameron shall upon test and examination by Cameron prove defective within the above warranty No product will be accepted for return or replacement without the written authoriza tion of Cameron Upon such authorization and in accordance with instructions by Cameron the prod
3. Section 6 J8A Temperature Pressure Recorder 31V1d 440 3 1 YO LVSNIANOD 8 NOG3f1O8 OL NOILO3NNOO 3SVO AYVTIIAVI Q 40 72 2 9 135 133908 019 z 8 ge 91 Sc n 8 xouddv 8 SL T al _ t 5200 a 2 e 0061 Zez 91 8 90 m L 8019 2 MIYOS 9196 X 99 Z v 1 336 NOILVOIJILN3GI 1N3IW373 9 ON TVINS 0 Ze g V 9L i pl 50 9L dy ya 59200 L a sod 2 902 H31N39 1 8 9 LNIOd JO NOLLVLOY 09 OL ALW1d 440 3XVL YOLVSNIANOD NI 5 dV1 8 SO1d Z MANOS 79124 X 87 6910 LNAWLSNrav sv3Nr F IN3N LSANFOV OYOIN Figure 6 3 Typical thermal well installation 23 J8A Temperature Pressure Recorder Section 6 720 06 ATIVINHON SI dO LNdLNO 9 IWNIWON Sb ANIT OL Q3LYYANI 8 8 LV NOILON SY3NIT p A 11O3383OS ONIHdS JHL JONVH OL 9 GALSNrdv 38 AVIA 8 8 Vu NOLLISOd 31OH 430 3AVW L 5 JHL dO SNIGVY JHL 9 1 3 19NV LV Q31vOO1 38 AVN 8 SLNIOd 340 3AVW L q Q 131N39 LN ON 9NIHdS S334930 YVINONV 0 QalvlOu AYN NOILISOd S3 LN3O 440 3XVL 5 e qadiAOsd 33v SIN
4. CAMERON Measurement Systems BARTON MODEL J8A TEMPERATURE PRESSURE RECORDER User Manual Manual No 9A 15165001 Rev 05 January 2011 Contents Section 1 Introduction nene 3 Errem anun pit 3 e 3 Section 2 Theory of 5 luar M A ule 5 Static Pressure Element 5 Temperature Element ir ade 6 Section 3 lInstallation a 9 C u cem 9 MOounting 9 Chart Installation lun hii ban 10 Calibration CHECK d tdi ii 11 ld incio tie rd 12 tv ia 12 Section 4 Maintenance and Calibration 13 ME 13 Temperature Pen 13 Static Pressure Pen 14 Static Pressure Element Replacement 16 Temperature System 16 Chart Drive Replacement luu u ceenssensesecaeeseceeennssnesneenneneeren 17 Linkage Adjustments r 17 Section 5 Troubleshooting J l
5. Round Head 10 32 x 5 16 Element 2 Mounting Temperature 62 9A 0946 0002J Screw Self tapping 10 24 x 1 4 Pressure 4 Connections 63 9A 0114 0017C Screw 6 40 x 1 4 3 28 J8A Temperature Pressure Recorder Section 7 Table 7 1 J8A Parts List Item Part No Description Qty Unit 66 9A 0111 0086J Screw Round Head 10 32 x 1 4 Not 1 Shown 67 9A 0111 0085J Screw Round Head 10 32 x 5 16 Not 6 Shown 68 9A 0003 0047K Washer Flat No 10 2 69 9A 0003 0033K Washer Shakeproof No 10 3 70 9A 0320 0010J Set Screw Handle 8 32 x 1 4 Not Shown 1 71 9A 0003 1064K Washer Flat 2 75 Mounting Bracket Assy Slip on Not Shown 75A 9A 0199 1514C Bracket Assembly Recorder Slip on 1 75B 9A 0240 0009J Screw Flat Head 1 4 20 x 1 2 4 76 Mounting Bracket Assy Threaded Not Shown 76A 9A 0199 1190B Bracket Threaded 1 76B 9A 0240 0009J Screw Flat Head 1 4 20 x 1 2 4 77 Mounting Bracket Assy Panel Not Shown 77A 9A 0202 1004B Panel Mounting Kit Not Shown 1 77B 9A 0238 0068C Bracket Panel Mounting 3 77C 9A 0238 0069C Pad Pressure 3 77D 9A 0238 0070C Panel Mounting Screw 5 16 18 3 77E 9A 0911 0004J Screw 1 4 20 x 5 8 6 77F 9A 0500 0033J Nut Hex 5 16 18 6 77G 9A 0240 0009J Screw Flat Head 1 4 20 x 1 2 4 Old Style Part No 9A 5600120 Multiply by number of pens used Recommended spare parts Universal type pens are required for 4 four
6. 9500 NORTH 1 800 654 3760 HEAD OFFICE AMERICA ms us c a m com ASIA 603 5569 0501 EUROPE 44 1243 826741 PACIFIC MIDDLE EAST ms klOc a m com amp AFRICA ms uk c a m com USA CANADA UK SCOTLAND CHINA UAE ALGERIA MALAYSIA INDIA KENYA WWW c a m com flo C CAMERON
7. To install the temperature element perform the following steps Refer to Figure 2 2 Temperature element on page 7 as needed 1 Ifthe temperature system is furnished with a thermal well thread the thermal well into a 3 4 inch NPT threaded connection and secure with a 1 1 8 inch wrench If no thermal well is used proceed with step 3 2 Ifa thermal well is being used insert the temperature bulb into the ther mal well to its full depths 3 If no thermal well is being used insert the bulb to the desired depth 4 Secure the gland nut into the thermal well or existing 1 2 inch NPT con nection with a 7 8 inch wrench 5 With the bulb properly installed secure the packing nut into the gland nut Adjust the zero at the recorder to compensate for zero shift due to elevation See Temperature Pen Calibration on page 13 for the adjustment procedure Chart Installation Perform the following steps to install the chart 1 Open the recorder door 2 Release the chart lock located on the chart drive hub 3 Raise the pen lifter arm 4 Slide the chart between the pen s and the chart plate Insert the chart in the chart guides in the chart plate and locate the hole in the chart onto the chart hub Place the pressure chart onto the chart hub 10 J8A Temperature Pressure Recorder Section 3 5 Lower the pen lifter arm and position the chart to place the pen s on the desired chart time line 6 Secure the chart in place with the cha
8. calibration should be performed as outlined in Temperature Pen Calibration on page 13 Piping Connect the pressure element to the system pressure using tubing or pipe The pressure connection on the outside of the recorder case is 1 4 inch female Operation To place the instrument into operation proceed as follows 1 Turn the drive Verify that the pen has ink and is in contact with chart 2 Turn on the pressure to the recorder To remove the Instrument from service 1 Turn off the pressure to the recorder 2 Turn off the chart drive 3 Lift the pen from the chart 12 J8A Temperature Pressure Recorder Section 4 Section 4 Maintenance and Calibration Maintenance Generally Barton recorders require no maintenance other than replacement of the chart replacement of pens winding of the spring wound chart drives occasional calibration In addition the operator should periodically check the door seal for wear and the pressure fittings for tightness See Table 4 1 for a list of tools required for routine maintenance Table 4 1 Required Tools 5 64 inch Allen wrench 5 64 inch open end wrench 1 1 8 inch open end wrench 3 4 inch open end wrench Packing nut Phillips screwdriver Adjustments Periodic Maintenance 7 8 inch open end wrench Gland nut Periodically inspect and clean the thermal well In services where the temper ature bulb or thermal well is in contact with semisolids sludge b
9. chart drive Replace with proper chart drive 19 Section 5 J8A Temperature Pressure Recorder 20 J8A Temperature Pressure Recorder Section 6 Section 6 Installation Dimensional Drawings 2 PIPE NIPPLE 1 6 4 X 10 FT 3 1m STD LENGTH LENGTH TO SUIT FLEXIBLE SPIRAL ARMOR 2 FLOOR FLANGE ALTERNATE FITTING FOR WALL MOUNTING EPARABLE SOCKET SHOWN FOR REF BULB amp EXTENSION NECK 10 254 0 LG WALL MOUNTING PANEL MOUNTING SIDE VIEW SIDE VIEW SHOWN WITH TEMP CONNECTION ONLY 4 X R S 20 6 13 69 348 E i PANEL MOUNTING CUTOUT E ALLOW A SPACE OF 8 203 2 FROM SIDE OF OTHER APPARATUS TO OF INSTRUMENT Figure 6 1 J8A mounting options 21 Section 6 J8A Temperature Pressure Recorder 12 312 7 MIN ALUMINUM SLIP ON BKT FOR 2 STD PIPE 17 57 SINGLE STRAP CLAMP E 2 NPT OUTLET 2 PIPE NIPPLE 22 2 REF LENGTH TO SUIT 12 44 5 PIPE MOUNTING BKT SLIP ON SIDE VIEW 0 31 7 9 3 PLCS 9 616 15 71 398 9 527 898 9 131 441 14 73 8 8 374 1 E 333 4 358 8 2 57 2 3 87 98 2 TEMP GAGE CONN 3 21 81 4 3 21 81 4 55 181 3 ELECTRIC CHART DRIVE CONN 1 2 FOR CONDUIT OPTIONAL PIPE MOUNTING BKT THREADED REAR VIEW Figure 6 2 J8A mounting options cont d 22
10. mounted as level as possible Limit drill penetration and remove chips Temperature bulb capillary must precede the recorder case through the panel cutout Do not apply wrench or bar pressure to the recorder case when using a thread mount Flush or Panel Mounting To use a flush or panel mount perform the following steps 1 Cut opening in panel to the dimensions shown in Section 6 Outline Dimension Drawings 2 Drill out pilot holes located top and bottom of case Use a No F drillbit 0 257 in and a 5 16 in 18 tap as required 3 Attach two flush mounting brackets to bottom of case using the enclosed self tapping screws Section 3 J8A Temperature Pressure Recorder 4 Pass instrument through the panel cutout 5 Attach remaining flush mounting bracket and install panel mounting screws Pipe Mounting To mount the recorder to a 2 in pipe perform the following steps 1 Place a suitable length of 2 inch pipe into a well secured floor or wall flange or if preferred attach the 2 inch pipe to existing pipe with a saddle that is fitted with a 2 inch pipe 2 Attach the recorder to the pipe orient the instrument and tighten retain ing screws Bulb Mounting IMPORTANT When locating the thermal bulb within a furnace tank line etc avoid dead spots where fluid circulation is sluggish and temperature is not re sponsive Elevation of the temperature bulb with respect to the recorder will cause a slight zero shift
11. or repaired with parts that are not authorized by Cameron Table 7 1 J8A Parts List Item Part No Description Qty Unit 1 9A 5600185 Door Assembly Recorder 1 9A 5600180 Case Recorder 1 9A 4828530 Pen Lifter Assembly New Style 1 25 Section 7 J8A Temperature Pressure Recorder Table 7 1 J8A Parts List Item Part No Description Qty Unit 4 9A 4827956 Latch Door Sub Assy 1 5 9A 4861300 Riser Chart Plate 4 7 9A 4527858 Bushing Door Stop 1 8 9A 0238 1019C Screw CAP 1 4 20x5 8 Not Shown 1 Used w Riser 9 9A 5600115 Hinge Door 1 10 9A 0238 0019C Entrance Plate Gasket Static Line T 12 9A 5600135 Connection Static Pressure 1 14 Pen Mount Assembly 1 14A 9A 4547856 2 Pen 1 14B 9A 4547858 1 Pen Not Shown 15 9A 0238 0015B Link Assembly First or Second Pen 1 17 9A 0238 0006B Shaft Pen Arm 1st 1 18 9A 0238 0007B Shaft Pen Arm 2nd 1 21 9A 0202 0034B Pen Shaft Arm Assy 90 Degree Range 1 Arm 23 9A 0238 0031B Static Drive Arm Alternate P N 9A 400 754 1 24 9 80 36 1670 01 Arm Pen First from Chart T 25 9A 80 36 1670 01 Arm Pen Second from Chart 1 28 Disposable AIR 1st from Chart 6 per pkg Blue Scanner High Temp 9A BDP S 1 BL S 6 Blue Scanner Low Temp 9A BDP S 1 BL L 6 Black Scanner High Temp Black Scanner Low Temp 9A BDP S 1 BK S 6 9A BDP S 1 BK L 6 Blue Int
12. u u u u 19 Section 6 Installation Dimensional Drawings 21 Section 7 Assembly Drawings and Parts 155 25 Table 7 1 J8A Parts nacida 25 Table 7 2 Chart DrlVeS uu 29 Table 7 3 Static Pressure Elements 30 Table 7 4 Case Compensated Temperature Elements 32 Table 7 5 Fully Compensated Temperature Elements 32 Instrument Specifications 33 Safety Information Before installing this instrument become familiar with the installation in structions in Section 3 WARNING This symbol identifies information about practices or circum stances that can lead to personal injury or death property damage or economic loss CAUTION Indicates actions or procedures which if not performed correctly may lead to personal injury or incorrect function of the instrument or connected equipment IMPORTANT Indicates actions or procedures which may affect instrument operation or may lead to an instrument response that is not planned J8A Temperature Pressure Recorder Section 1 Section 1 Introduction General The Barton Model 78 Temperature and Pressure Recorder is a versatile and rugged instrument designed for general temperature and pressure applica t
13. 9A B17SL 50 0 50 9A B17SL 75 0 75 9A B17SL 100 0 100 9A B17SL 150 0 150 9A B17SL 200 0 200 9A B17SL 250 0 250 30 J8A Temperature Pressure Recorder Section 7 Table 7 3 Static Pressure Elements Part No Standard Ranges 9A B17SL 300 0 300 9A B17SL 350 0 350 9A B17SL 400 0 400 9A B17SL 500 0 500 9A B17SL 600 0 600 9A B17SL 750 0 750 9A B17SL 1000 0 1000 9A B17SL 1500 0 1500 9A B17SL 2000 0 2000 9A B17SL 2500 0 2500 9A B17SL 3000 0 3000 9A B17SL 3500 0 3500 9A B17SL 4000 0 4000 9A B17SL 5000 0 5000 9A B17SL 6000 0 6000 9A B17SL 8000 0 8000 9A B17SL 10MU 0 10 000 High Pressure 9 16 18 Aminco Process Connection 9A B17SL 10M 0 10 000 W 18 Welded Connection Line Autoclave Conn 9A B17SL 15M 0 15 000 W 18 Welded Connection Line Autoclave Conn 9A B17SL 20M 0 20 000 W 18 Welded Connection Line Autoclave Conn 9A B17SL 25M 0 25 000 W 18 Welded Connection Line Autoclave Conn 9A B17SL 30M 0 30 000 W 18 Welded Connection Line Autoclave Conn 9A SS44M 7 4 1 4 HP x 1 4 FNPT High Pressure Adapter Monel B17MK XXXX Monel element Available in ranges from 0 250 PSIG thru range in 0 6000 PSIG W 18 Welded Connection Line 1 4 FNPT PSIG Conn 31 Section 7 J8A Temperature Pressure Recorder Table 7 4 Case Compensated Temperature Elements Class VB Mercury Filled 1 8 capillar
14. F8A 9A F0 500F30F8A Class lA Fully Compensated Hydrocarbon Filled 1 8 capillary w armor 3 8 diameter sensing bulb Temp F 20 ft 6 m 25 ft 7 6 m 30 ft 9 1 m 0 100 9A F0 100F20F6B 9A F0 100F25F6B 9A F0 100F30F6B 0 150 9A F0 150F20F6B 9A F0 150F25F6B 9A F0 150F30F6B 0 200 9A F0 200F20F6B 9A F0 200F25F6B 9A F0 200F30F6B 0 300 9A F0 300F20F6B 9A F0 300F25F6B 9A F0 300F30F6B 0 500 32 9A F0 500F20F6B 9A F0 500F25F6B 9A F0 500F30F6B J8A Temperature Pressure Recorder Section 7 Instrument Specifications General Case Die cast aluminum black polyurethane electrostatic powder paint hinged glass front door neoprene gasket seal Chart Drive Spring wound or battery operated Chart 5 8 inch diameter Chart Rotation 60 minutes to 31 days Number of Pens 1 to 4 one for each element Pen Style l umu Disposable Element POr trea areata Pressure Helical bourdon Temperature Helical bourdon Class V mercury filled 1 to 4 any combination Helical 0 30 Hg vacuum to 0 30 000 psi Static Pressure 1 of full scale Temperature 1 of full scale Helical Stainless Steel and K Monel
15. INLSAPOV ONIMOTIOS JHL MOWRY IVe8ldS 3181X374 1S LS 03SO19N3 G31VSN3dWOO 3SVO ONLLOINNOO 1515 JO 1401 9 NIHSn8 15 15 031519395 N3HM GSHSINYN 38 OL 1S LS 134908 3 T8VHVd3S LAN 115716 MOAN 318IX3H 0 8108 LS LS A SSV10 1N3IW313 TVIAHSH L AYNOYIN SNOILVOISIDSdS MOVIE NON HSINIA Ls 1S LLUVIA HIVNHSITV WNW 80109 ONIH3LETT ssvug ILYN 3NVN OZZW HOS WIC 006 1 S9ZW HOS WIG 907 V NY S31ON 580 280 aos v viaa OJ3nN Y EX ON WINS LL MOOTEVO SNIMOVd 9 15 338 I 9 LL SL amp 338 2 D 9 8L HL9N371 8108 WNINON X Y sra T o 1 1 1 j OL 1S 15 091 11 ama AINO 031419345 N3HM SONWV Wulds q O Y 1300S 318V8V43S HSINUNW 438 LAN 8 2 Y L Typical thermal well installation cont d Figure 6 4 24 J8A Temperature Pressure Recorder Section 7 Section 7 Assembly Drawings and Parts Lists Figure 7 1 J8A assembly A WARNING Use only spare parts identified in this manual Cameron bears no legal responsibility for the performance of a product that has been serviced
16. TE 1 2 NPT GLAND NUT 1 4 SPIRAL ARMOR TEMPERATURE CALIBRATION ADJUST y 1 16 CAPILLARY BULB EXTENSION CONNECTING TUBING CASE CONNECTION FITTING 7 16 20 UNF Figure 2 2 Temperature element Section 2 J8A Temperature Pressure Recorder J8A Temperature Pressure Recorder Section 3 Section 3 Installation General The instrument should be inspected at time of unpacking to detect any dam age that may have occurred during shipment The following practices should be observed upon installation Distances The distances between the temperature bulb and the recorder case should be minimized Maximum allowable distances are VA fully compensated system 100 feet VB case compensated system 20 feet Elevation Maximum elevation of the temperature bulb with respect to the recorder must not exceed 30 feet The percent of zero shift can be calibrated by the following Percent Zero Shift 5 X Elevation feet Span Degree Fahrenheit Process Temperature The normal operating temperature ranges for Class V systems are listed in the Specifications list on page 33 The maximum mo mentary overrange limit is 20 of the total temperature range while the momentary underrange temperature limit of a properly pre loaded system is 50 F 45 C Vibration Vibration can be minimized by mounting the instrument on a secure support Mounting IMPORTANT The instrument should be
17. cedure 8 Calibrate in accordance with procedures outlined in Temperature Pen Calibration on page 13 Chart Drive Replacement To replace the chart drive proceed as follows 1 Release the pressure to the recorder 2 Turn off the chart drive 3 Raise the pen lifter and remove the chart and chart plate 4 Remove the chart drive mounting screws and remove the chart drive from the recorder case 5 Position the new chart drive at the back of the recorder case and attach with mounting screws 6 Replace the chart plate and the chart Lower the pen to the recording position 7 Check the time line on first pen from chart zero and span elements Linkage Adjustments Tightening the range arm and drive arm lock screws fingertight is often not tight enough tightening them more than a full turn will often break them To correctly tighten linkage screws perform the following steps Refer to Figure 4 2 Linkage adjustments on page 18 as needed 1 Tighten the lock screw until snug 2 Hold the drive arm at the clamp block by hand or with a 1 4 inch open end wrench If a wrench is used place it between the torque tube shaft or bearing In the case of the range arm lock screw place the wrench between the pen shaft and lock screw 3 Tighten the lock screw 1 3 to 1 2 turn beyond snug 4 Test for tightness by moving the free end of drive arm approximately 1 2 inch in either direction The drive arm should spring back with no yiel
18. ding 17 Section 4 J8A Temperature Pressure Recorder TEST APPROXIMATELY Y INCH DRIVE ARM DRIVE ARM CLAMP BLOCK CLAMP SCREW WRENCH 0163 0044 C TO TIGHTEN Figure 4 2 Linkage adjustments 18 J8A Temperature Pressure Recorder Section 5 Section 5 Troubleshooting Table 5 1 Troubleshooting Guide Probable Cause Corrective Action Low or No Indication Excessive residue Heating conduc Remove from formation on tem tivity of tem service and clean perature bulb perature bulb is element impaired Mechanism Loose links or Tighten or replace movements Out of calibration Recalibrate Corrosion or dirt Clean or replace in mechanism Loss of fill Capillary cracked Replace tempera kinked or broken ture bulb Defective element Replace element Tubing Tighten connections Tubing plugged Clear tubing Pen arm Pen arm bent Straighten or replace pen arm High Indication Mechanism Loose links or Tighten or replace movements Out of calibration Recalibrate Erratic Indication Mounting Excessive vibra Secure the means tion of mounting Mechanism Linkage dragging Adjust or clean or dirty Excessive pen Adjust pressure on chart No Chart Rotation Fuse Check and replace fuse Chart Drive Electric drive not Turn on chart drive turned on Clock motor not Wind chart drive wound Defective drive Replace drive Wrong Chart Speed Chart Hub Lock Lock not latched Latch hub lock Chart Drive Wrong
19. e and observe pen indication a If pen indicates high or low adjust drive link to make a correction approximately 40 times the error in the direction of the error b Reset the pen to the 50 line by slipping the pen shaft at the range arm pivot point c Repeat this step 7 as necessary 15 Section 4 J8A Temperature Pressure Recorder 10 11 12 Release pressure and reset the pen to zero indication using pen zero adjust screw for precise adjustment Repeat steps 4 through 8 until calibration of zero linearity and span 0 50 and 100 indication is achieved Assure that range arm lock screws thumb nut lock screw and link screws are tight Unlock the recorder hub clip and remove temporary calibration chart Replace the chart plate by sliding it into the chart plate retainer brackets and engaging each side into the chart plate latches Static Pressure Element Replacement If the static pressure element needs replacement proceed as follows 1 2 10 11 12 Close all valves and turn off the power switch to the recorder Separate the drive link arm by opening the link table and disengaging the pivot pin from the clamp Loosen the clamp block screw on the lever arm assembly and separate the drive arm from the static pressure element shaft Disconnect the tubing from the static pressure element at the tubing con nection refer to Figure 4 1 Static pressure pen calibration on page 15 Remove the moun
20. egrator High Temp 9A BDP I 1 BL S 6 Blue Integrator Low Temp 9A BDP I 1 BL L 6 Black Integrator High Temp 9A BDP I 1 BK S 6 26 Black Integrator Low Temp 9A BDP I 1 BK L 6 J8A Temperature Pressure Recorder Section 7 Table 7 1 J8A Parts List Item Part No Description Qty Unit Blue Universal 9A BDP U 1 BL S 6 High Temp Blue Universal 9A BDP U 1 BL L 6 Low Temp Black Universal 9A BDP U 1 BK S 6 High Temp Black Universal 9A BDP U 1 BK L 6 Low Temp High Temp 20 to 120 F 7 to 48 C Low Temp 40 to 90 F 40 to 32 C 29 Disposable Pen AIR 2nd from Chart 6 per pkg Red Scanner High Temp 9A BDP S 2 RD S 6 Red Scanner Low Temp 9A BDP S 2 RD L 6 Red Integrator High Temp 9A BDP I 2 RD S 6 Red Integrator Low Temp 9A BDP I 2 RD L 6 Red Universal High Temp Red Universal Low Temp 9A BDP U 2 RD S 6 9A BDP U 2 RD L 6 High Temp 20 to 120 F 7 to 48 C Low Temp 40 to 90 F 40 to 32 C 30 Disposable Pen 3rd from Chart 6 per pkg Not shown A R Green Scanner High Temp 9A BDP S 3 GN S 6 Green Scanner Low Temp 9A BDP S 3 GN L 6 Green Integrator High Temp 9A BDP I 3 GN S 6 Green Integrator Low Temp 9A BDP I 3 GN L 6 Green Universal Hig
21. h Temp 9A BDP U 3 GN S 6 27 Section 7 J8A Temperature Pressure Recorder Table 7 1 J8A Parts List Description Qty Unit Green Universal 9A BDP U 3 GN L 6 Low Temp High Temp 20 to 120 F 7 to 48 Low Temp 40 to 90 F 40 to 32 31 Disposable Pen AIR 4th from Chart 6 per pkg Not shown Purple Universal 9A BDP U 4 PL S 6 High Temp Purple Universal 9A BDP U 4 PL L 6 Low Temp High Temp 20 to 120 F 7 to 48 Low Temp 40 to 90 F 40 to 32 C 32 9A 0238 1026G Plate Data Recorder 1 33 9A 6531018 Door Stop Assembly 1 34 9A 0238 0029B Door Latch Assembly Hook 1 35 9A 5600141 Gasket Cover Glass 1 36 9A 5600091 Cover Glass 1 37 9A 5600095 Clip Cover Glass 4 38 9A 7927909 Handle 1 39 9A 4528372 Bushing Door Handle Not Shown 1 42 9A 5600140 Gasket Recorder Door 1 43 9A 5600089 Plate Chart Not Shown 1 44 9A 0238 0007C Riser Chart Drive 3 45 See Table 7 2 Drive Chart 1 46 See Table 7 2 Hub Chart 1 51 See Tables 7 4 7 5 Element Temperature 52 See Table 7 3 Element Pressure 57 9A 0003 0036K Washer Lock No 8 2 58 9A 0938 0001J Screw Round Head 6 32 x 1 4 26 59 9A 0114 0031J Screw Fil Head 10 32 x 1 2 2 60 9A 0111 0085J Screw Round Head 10 32 x 5 16 Element 2 Mounting Pressure 61 9A 0111 0085J Screw
22. ing on page 19 All chart drives are interchangeable and fitted with a recorder hub clip that features a simple yet positive method of locking the chart in place Explosion proof electrical chart drives are available Section 1 J8A Temperature Pressure Recorder Case The J8A is housed in an aluminum case with a hinged door providing access for chart changes and calibration adjustment The case is finished in a black polyurethane electrostatic powder paint that is highly resistant to weather ing scratches marring and industrial fumes The Model J8A connects to the system or transmitter through fittings in the bottom of the case J8A Temperature Pressure Recorder Section 2 Section 2 of Operation General Pressure and temperature elements the J8A are connected by tubing or pipe to measure system pressure and system temperature Figure 2 1 The capillary tubes from the static pressure element connect directly to the piping system and are filled with the process system fluid The thermal system 1s Class V mecury filled system See Instrument Specifications on page 33 for details A chart drive mechanism turns the chart at a selected speed The chart may be either an electrical motor or a mechanical spring wound type motor see Table 7 2 Chart Drives on page 29 Static Pressure Element The sensor element a bourdon tube consists of a slightly flattened cross section of tubing coiled into a helix or flat sp
23. ions It records monitored temperature and pressure on an 8 inch diameter chart Up to four elements may be used in any combination to operate up to four individual recording pens Main Components Static Pressure Systems The static pressure system consists of a helical bourdon tube connected through tubing to system piping The static pressure element measures the static pressure in a piping system for 0 30 inches of mercury vacuum to 0 30 000 psi For a list of elements and ranges see Table 7 3 Static Pressure Elements on page 30 Thermal Systems The thermal systems consist of a spiral bourdon tube a capillary and a bulb All parts are made of stainless steel The bulb is fitted with a bendable exten sion and the capillary is protected with stainless steel armor Recording Mechanism The recording mechanism is a linkage and pen system that permanently records data It converts mechanical inputs from the pressure and temperature elements to link lines on a revolving chart All operative parts of the recorder mechanism are made of stainless steel for a longer field life The pen mount is exceptionally rugged All lines are adjustable Screw adjustments for zero range and linearity assure fast and accurate calibration Chart Drive A variety of chart drives are available Both electrical and spring wound chart drives fit a wide variety of chart speeds and time intervals that reduce main tenance time See Section 5 Troubleshoot
24. iral The outer end of the tubing is sealed and attaches to a drive arm see lever arm assembly diagram The open end of the tubing at the base connects to the tubing The tubing connec tion attaches to the tubing of the static pressure connection on the back of the recorder case The static pressure connection connects the static pressure element to the system piping Pressure Element Bourdon Tube Figure 2 1 J8A recorder components Section 2 J8A Temperature Pressure Recorder Static pressure introduced through the tubing into the static pressure element causes the spiral or helix to unwind Conversely a reduction of pressure within the tubing causes the element to wind up more tightly This motion is transmitted through the lever arm assembly and its intermediate linkage to the pen shaft which controls the movement of the recorder pen The pen transcribes the motion onto a rotating chart to permanently record changes in static pressure in the process system Temperature Element The thermal system senses temperature changes using the thermal expansion principle Temperature changes cause thermal expansion and contraction of mercury in the bulb When heated mercury expands it increases in volume causing the bourdon tube to exert mechanical force The bourdon tube move ment 15 transmitted through mechanical linkage to a recording pen Figure 2 2 Temperature element on page 7 Thermal Bulb The thermal bulb acts as the
25. pen meters A R As Required Table 7 2 Chart Drives Part No Description Mechanical Spring Wound 9A 0042 0015T 24 Hour 9 Day 9A 0042 0016T 7 Day 9A 0042 0017T 24 Hour 7 Day 9A 0042 1008T 24 Hour 7 Day 9A 0042 0030T 8 Day 29 Section 7 J8A Temperature Pressure Recorder Table 7 2 Chart Drives Part No Description Mechanical Spring Wound 9A 0042 0031T 24 Hour 8 Day 9A 0042 1004T 31 Day 9A 0042 1003T 2 Hour 8 Hour 9A 0042 0024T 4 Hour 9A 0042 1007T 1 Hour 15 Minute 9A 0042 0020T 9A 0042 1009T 96 Minute 24 Hour 1 Hour 3 Hour 9A 0042 1015T 24 hour Battery Driven 1 5 VDC C Cell Alkaline 9A 0043 1002T 11 Selectable Speeds 9A 0043 1003T 11 Selectable Speeds Foxboro 9A 0043 1004T 11 Selectable Speeds CSA Approved 9A 0043 1005T 12 Selectable Speeds Including 4 Hour 9A 0043 2001T Fast Slow Speeds 9A 0043 2002T Fast Slow Foxboro Chart Drive Accessories 9A 0238 0033B One Piece Hub Hub Used w 625G070 8 Chain Used w 7250198 Univ Mounting Plate Wind Key Wind Key Long Shank Push Pull Hub Foxboro Table 7 3 Static Pressure Elements Part No Standard Ranges Helical Elements 316 SST 1 8 Union Connection Ranges in PSIG 9A B17SL 25 0 25 9A B17SL 35 0 35
26. rt hub lock Calibration Check Pressure System Check the calibration of the pressure system prior to placing the recorder into service Refer to the illustration and photo on the next page 1 Connect the instrument into the calibration setup as shown on next page 2 Apply zero pressure and adjust the pen to chart zero zero adjust screw 3 Apply 100 pressure Verify that the pen moves across scale to the 100 pressure indication 4 Apply 50 pressure Verify that the pen indicates 50 pressure on the chart 5 Ifthe pen does not accurately indicate the pressure being applied further adjustments are necessary perform the calibration procedure outlined in Static Pressure Pen Calibration on page 14 INSTRUMENT TO BE CALIBRATED STATIC BLOCK INLET REGULATOR VALVE CONNECTION Su VALVE L __ E 23 i OR DEAD WEIGHT TESTER Figure 3 1 Pressure system calibration Temperature System All instruments are calibrated at the factory and normally do not require more than a check before startup The Model J8A has been calibrated at 0 25 50 75 and 10095 of full temperature range and checked for proper overtravel Because of the extensive procedure and elaborate test stand requirements needed to simulate operating conditions it is recommended that only a zero 11 Section 3 J8A Temperature Pressure Recorder check be performed If the temperature system appears to be out of calibra tion a complete
27. sensing element Its physical and dimensional characteristics determine response time of the system Large surface area to volume minimum wall thickness and high heat conductivity are desirable for high speed temperature response The metal used in thermal bulb fabrication should have a minimum coefficient of expansion and low specific heat factor stainless steel is used in the Model J8A thermal bulb Capillary Tubing The capillary tubing provides a thermal seal between the temperature bulb and bourdon tube The tubing fabricated from thick walled stainless steel minimizes the internal volume for mercury The capillary is provided with 1 4 inch spiral armor to assure a strong and pliable transmission line between the primary element and the secondary mechanism bourdon tube Filling Fluid Mercury is used as the filling fluid because of its high energy generation per unit of temperature change wide temperature ranges and relatively low effect due to ambient temperature variations Consult your nearest Cameron repre sentative for information on other filling fluids Secondary Mechanism The measuring element is a precision wound stainless steel bourdon tube which converts the volumetric expansion and contraction of the mercury fill to an angular output of 17 degrees nominal for the full temperature range J8A Temperature Pressure Recorder Section 2 BOURDON PACKING TUBE NUT 11 16 TEMPERATURE BULB MOUNTING PLA
28. t is required repeat steps 3 through 5 until desired ac curacy is maintained 7 Apply 50 temperature and observe pen indication a If pen indicates high or low adjust drive link to make a correction approximately 40 times the error in the direction of the error b Reset the pen to the 50 line by slipping the pen at the range arm pivot point c Repeat this step 7 as necessary 8 Reduce temperature to zero or starting point and reset zero a If zero offset is minor reset zero with zero adjust screw b If zero offset is major reset zero by loosening bourdon mounting screws and rotate to approximately zero Set precise zero w zero adjust screw 9 Repeat steps 4 through 8 until desired accuracy is maintained Static Pressure Pen Calibration To calibrate the static pressure pen and linkage proceed as follows 1 Adjust the static range arm and drive arm at precisely the same distance from the back of the case 2 Place static drive link in the fourth hole from the pen shaft of the range arm 3 Adjust static pressure linkage to form 90 angles between the drive link see above illustration and pivot points of the associated linkage as fol lows a Apply 50 static pressure center thumb nut on the drive arm and arrange static linkage as shown in illustration above b Seta 90 angle between drive arm amp link Tighten clamp block screw c Vary the length of link to get a 90 angle between range arm and link
29. ting screws from the static pressure element and dis card the damaged element Install the new element using the old mounting screws Connect tubing to the element at the tubing connection Assemble the lever arm assembly onto the static pressure element shaft do not tighten the clamp block screw yet Connect the drive link to the drive arm by engaging the pivot pin and locking the link tab into place Align the static pressure linkage range arm drive link and drive arm so that it lies in the same plane without binding or bending Tighten clamp block screw Calibrate in accordance with the procedure outlined in Static Pressure Pen Calibration on page 14 Temperature System Replacement Perform the following steps to replace the temperature system 1 2 3 Loosen packing and gland nuts Remove temp bulb from thermal well Loosen capillary retaining nut and slip back on tubing Remove four temperature element connection screws located on the back side of the recorder case where capillary tubing enters the case Remove union bracket by slipping the bracket onto the capillary connect ing tubing Slip the bracket through the slit provided Remove the intermediate drive arm from bourdon drive extension J8A Temperature Pressure Recorder Section 4 6 Remove the bourdon mounting screws and remove complete temperature unit by feeding the capillary through the entry hole provided 7 To install new element reverse above pro
30. uct will be returned shipping charges prepaid by Buyer Replace ments made under this warranty will be shipped prepaid Exclusions from Warranty 1 THE FOREGOING WARRANTY IS IN LIEU OF AND EXCLUDES ALL OTHER EXPRESSED OR IMPLIED WARRANTIES OF MERCHANTABILITY OR FIT NESS FOR A PARTICULAR PURPOSE OR OTHERWISE Components manufactured by any supplier other than Cameron shall bear only the warranty made by the manufacturer of that product and Cameron assumes no respon sibility for the performance or reliability of the unit as a whole In no event shall Cameron be liable for indirect incidental or consequential dam ages nor shall the liability of Cameron arising in connection with any products sold hereunder whether such liability arises from a claim based on contract warranty tort or otherwise exceed the actual amount paid by Buyer to Cameron for the products delivered hereunder The warranty does not extend to any product manufactured by Cameron which has been subjected to misuse neglect accident improper installation or to use in violation of instructions furnished by Cameron The warranty does not extend to or apply to any unit which has been repaired or al tered at any place other than at Cameron s factory or service locations by persons not expressly approved by Cameron Product Brand Barton is a registered trademark of Cameron International Corporation Cameron 35 MEASUREMENT SYSTEMS HOUSTON 281 582
31. uild up can appreciably affect the heat conductivity of the sensing element Inspect and clean the temperature bulb or well in the following manner 1 Carefully remove the temperature bulb from the thermal well by loosen ing the packing nut and slipping it back on the bulb extension Loosen the jam nut and remove the temperature bulb 2 Remove the thermal well from the socket 3 With a fine grade steel wool remove excess residue from the temperature bulb and thermal well 4 Examine the capillary tubing for damage or kinking Temperature Pen Calibration IMPORTANT Verify that all linkage is free Adjust range arm and drive arm at precisely the same distance back of the case Adjust the lever arm and pen zero adjust screws to their midpoints all 90 midscale linkage angles must be measured Calibrate the temperature pen after replacing the thermal element The com plete calibration procedure is as follows 1 Apply 50 of the total temperature range 13 Section 4 J8A Temperature Pressure Recorder 2 Adjust the drive arm and the driven arms to approximately 90 angles with the intermediate arms 3 Reduce temperature to zero or starting point of the temperature range Reset zero with zero adjusting screw 4 Apply 100 temperature and set the pen to full scale by turning the adjusting screw 5 Reduce temperature to zero or starting point and check zero reading If pen is correct proceed with step 7 6 Tf zero adjustmen
32. y wlarmor 11 16 diameter sensing bulb Temp F 10 ft 3 m 15 ft 4 57 m 20 ft 6 m 0 100 9A CO 100F10F9A 9A CO 100F15F9A 9A CO 100F20F9A 0 150 9A CO 150F10F9A 9A CO 150F15F9A 9A CO 150F20F9A 0 200 9A CO 200F10F9A 9A CO 200F15F9A 9A CO 200F20F9A 0 300 9A CO 300F10F9A 9A CO 300F15F9A 9A CO 300F20F9A 0 500 9A CO 500F10F9A 9A CO 500F15F9A 9A CO 500F20F9A Class IB Hydrocarbon Filled 1 8 capillary w armor 3 8 diameter sensing bulb Temp F 10 ft 3 m 45 ft 4 57 m 20 ft 6 m 0 100 9A CO 100F10F7B 9A CO 100F15F7B 9A CO 100F20F7B 0 150 9A CO 150F10F7B 9A CO 150F15F7B 9A CO 150F20F7B 0 200 9A CO 200F10F7B 9A CO 200F15F7B 9A CO 200F20F7B 0 300 9A CO 300F10F7B 9A CO 300F15F7B 9A CO 300F20F7B 0 500 9A CO 500F10F7B 9A CO 500F15F7B 9A CO 500F20F7B Table 7 5 Fully Compensated Temperature Elements Class VA Fully Compensated Mercury Filled 1 8 capillary w armor 11 16 diameter sensing bulb Temp F 20 ft 6 m 25 ft 7 6 m 30 ft 9 1 m 0 100 9A F0 100F20F8A 9A F0 100F25F8A 9A F0 100F30F8A 0 150 9A F0 150F20F8A 9A F0 150F25F8A 9A F0 150F30F8A 0 200 9A F0 200F20F8A 9A F0 200F25F8A 9A F0 200F30F8A 0 300 9A F0 300F20F8A 9A F0 300F25F8A 9A F0 300F30F8A 0 500 9A F0 500F20F8A 9A F0 500F25
Download Pdf Manuals
Related Search