BARTON Model 242E Pressure-Temperature Recorder User Manual
Contents
1. 17 Chart Drive 17 Linkage 18 Section 5 19 Section 6 Installation Dimensional Drawings 21 Section 7 Assembly Drawings and Parts 155 25 Table 7 1 242E Parts LISE 444 inerte territi iienaa 25 Table 7 2 Chart DriveS imereeenennnenenenenannaennannanananeananaan annae 30 Table 7 3 Static Pressure 31 Table 7 4 Case Compensated Temperature Elements 33 Instrument Specifications tetra a renis 34 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 242E Temperature Pressure Recorder Section 1 Section 1 Introduction General The Barto2. tort 5 8 0 SR EM g 0 IS 0L IS 1509 1 eng AINO 991519345 N3HM YONYY Wulds 133908 HSINUNA vie C338 LAN 8 2 338 9 L Figure 6 3 Typical thermal well installation 23 Section 6 242E Temperature Pressure Recorder 24 242 Temperature Pressure Recorder Section 7 Assembly Drawings and Parts Lists 242E Assembly KS MEM Section 7 60 52 64 4 44 63 10 12 62 Table 7 1 242E Parts List Item Description Part No Per Unit 1 Door Assembly Recorder 9A 0238 1023B 1 2 Case Recorder 9A 0238 1022C 242E 1 3 Pen Lifter Assembly 9A 0238 1159B 1 4 Latch Door 9A 0238 0071C 2 5 Riser Chart Plate 9A 0238 1210C 4 6 Screw FIL HD 8 32x3 8 Not Shown 9A 0114 1036J 4 Use w Riser 7 Bushing Door Stop 9A 0238 1018C 1 25 Section 7 242E Temperature Pressure Recorder Table 7 1 242E Parts List Item Description Part No Per Unit 8 Screw CAP 1 4 20x5 8 Not Shown 9A S797 0048Z 4 Used w Riser 9 Hinge Door 9A 0238 1034C 1 10 Gasket Connection Static Pressure 9A 0238 0019C 1 11 Gasket Connection Temperature 9A 0265 0006C 1 Not Shown 12 Connection Static Pressure 9A 0238 0046B 15 13 Connection Te
3. CAMERON Measurement Systems BARTON MODEL 242E TEMPERATURE PRESSURE RECORDER User Manual Manual No 9A 10135 Rev 03 January 2011 Contents Safety Information conet 2 Section 1 Introduction rnrnneoreananannnnenannnnneannanananaanenaanananaesnna 3 adie epee eels 3 Main 3 Section 2 Theory of Operation seen 5 Generalose sonic 5 Static Pressure 000040 5 Temperature Element coriis 6 Section 3 Installation nien eie aus 9 Generalt 9 Standard Practice 9 2 aste 9 Chart Installation oiii itecto peed Ee 10 Calibration 11 12 eui 12 Section 4 Maintenance and Calibration 13 Maintenant 13 Temperature Pen Calibration esee 13 Static Pressure Pen 15 Static Pressure Element 16 Temperature System
4. to 350 F 87 to 177 C Kerosene KER 20 to 500 F 29 to 260 C Alcohol 200 to 150 F 129 to 66 C 34 Product Warranty A 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 product will be returned shipping charges prepaid by Buyer Replace ments made under this warranty will be shipped prepaid C 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 Cam
5. 1 Hour 15 Minute 725R086 9A 0042 0020T 96 Minute 24 Hour 725R175 9A 0042 1009T 1 Hour 3 Hour 725R138 Battery Driven 1 5 VDC C Cell Alkaline 9A 0043 1002T 11 Selectable Speeds 820R001 9A 0043 1003T 11 Selectable Speeds 820R007 Foxboro 9A 0043 1004T 11 Selectable Speeds 820R011 CSA Approved 9A 0043 1005T 12 Selectable Speeds 820R029 Including 4 Hour 9A 0043 2001T Fast Slow Speeds 830R001 30 242 Temperature Pressure Recorder Table 7 2 Chart Drives Section 7 Part No Description Model No Chart Drive Accessories 9A 0238 0033B One Piece Hub 7256190 Hub Used w 6256070 7256198 amp Chain 625 070 Used w 7256198 Universal Mounting Plate 620G164 Wind Key 725G364 Wind Key Long Shank 7256357 Push Pull Hub Foxboro 725R004 Table 7 3 Static Pressure Elements Part No Alt Part No Standard Range psi Helical Elements 316 SST 1 8 Union Connection Ranges in PSIG 9A B17SL 25 0 25 9A B17SL 35 0 35 9A B17SL 50 9A0044 0040T 0 50 9A B17SL 75 0 75 9A B17SL 100 9A 0044 0035T 0 100 9A B17SL 150 9A 0044 0099T 0 150 9A B17SL 200 0 200 9A B17SL 250 9A 0044 0036T 0 250 9A B17SL 300 9A 0044 0044T 0 300 9A B17SL 350 0 350 9A B17SL 400 0 400 9A B17SL 500 9A 0044 0041T 0 500 9A B17SL 600 0 600 9A B17SL 750 9A 0044 0100T 0 750 9A B17SL 1000 9A 0044 0042T 0 1000 9A B17SL 1500 9A 0044 0046T 0 1500
6. 6 Installation Dimensional Drawings MODEL 242EP 17 431 8 MIN 12 5 18 312 7 MIN 4 9 6 115 9 242E 7 177 8 242EP 114 31 81 11 16 17 51 211 32 60 03 SINGLE STRAP CLAMP 2 NPT OUTLET 2 PIPE NIPPLE 7 32 5 55 1 2 NPT LENGTH TO SUIT 1 18 t1 81 7 8 22 21 1 4 NPT 278 m0 13 58 R 13 18 148 1 PIPE MOUNTING BKT SLIP ON 120 6 SIDE VIEW 18 172 469 3 WALL ege La ele d e EE PANEL MOUNTING CUTOUT E s ALLOW A SPACE OF G 228 61 FROM SIDE OF OTHER APPARATUS OF INSTRUMENT 1 4 5 4 X 10 FT L3 IM STO LENGTH 2 FLANGE ATERNATE FITTING FLEXIBLE SPIRAL 34 NET FOR WALL MOUNTING SEPARABLE WALL MOUNTING SHIN FOR REFERENCE SIDE VIEW BULB amp EXTENSION NECK 10 254 01 LG PANEL MOUNTING SIDE YIEY SHOWN WITH TEMP CONNECTION ONLY Figure 6 1 242E mounting options 21 Section 6 242E Temperature Pressure Recorder 22 14 1 2 1388 3 13 142 1342 91 19 1 4 YOKE MOUNTING AA SIDE VIEW PIPE MOUNTING THREADED REAR VIEW ALL STANDARD PIPE FITTINGS FURNISHED BY CUSTOMER Figure 6 2 242E mounting options cont d Section 6 242 Temperature Pressure Recorder LLL MIOOTAVI SNDIOVd 16 j i TEN 81 96 HLON31 e WNIWON X E e
7. L 6 Blue Integrator 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 Black Integrator Low Temp 9A BDP I 1 BK L 6 Blue Universal High Temp 9A BDP U 1 BL S 6 Blue Universal Low Temp 9A BDP U 1 BL L 6 Black Universal High Temp 9A BDP U 1 BK S 6 Black Universal Low Temp 9A BDP U 1 BK L 6 High Temp 20 to 120 F 7 to 48 Low Temp 40 to 90 F 40 to 32 C 29 Disposable Pen 2nd from Chart 6 per AIR 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 9A BDP U 2 RD S 6 Red Universal Low Temp 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 3nd from Chart AIR 6 per pkg Not shown 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 High Temp 9A BDP U 3 GN S 6 Green Universal Low Temp 9A BDP U 3 GN L 6 High Temp 20 to 120 F 7 to 48 C Low Temp 40 to 90 F 40 to 32 C 31 Disposable Pen 3nd from Chart AIR 6 per pkg Not shown Purple Universal High Temp 9A BDP U 4 PL S 6 27
8. conditions it is recommended that only a zero check be performed If the temperature system appears to be out of calibra tion recalibrate the temperature pen see Temperature Pen Calibration on page 13 Piping Connect the pressure element to the system pressure or transmitter output using tubing or pipe The pressure connection on the outside of the recorder case is 1 4 in NPT female Operation To place the instrument into operation proceed as follows 1 Verify that the pen has ink an d is in contact with chart Replace the pen if necessary 2 Turn on the drive 3 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 12 242 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 and 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 Tool Purpose 1 8 inch open end wrench Calibration adjustment zero adjust 5 64 inch Allen wrench Calibration adjustment 5 64 inch open end wrench Capillar
9. drive arm and the driven arm until they form an approximate 90 angle with the intermediate arm Reduce the temperature to zero or the starting point of the temperature range Fine tune the zero adjustment with the zero adjusting screw Apply 10096 temperature and set the pen to full scale by turning the adjusting screw Reduce the temperature to zero or the starting point of the temperature range and check the zero reading If the reading is correct proceed to step 7 If zero adjustment is required repeat steps 3 through 5 until desired ac curacy is achieved Apply 50 temperature and observe the pen indication a Ifthe pen indicates high or low adjust the drive link to make a cor rection 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 Reduce the temperature to zero or the starting point of the temperature range and reset the zero point a Ifthe zero offset is minor reset the zero point with zero adjust screw b Ifthe zero offset is major reset the zero point by loosening the bourdon mounting screws and rotating the connecting linkage to ap proximately zero Fine tune the zero adjustment with the zero adjust screw Repeat steps 3 through 8 until desired accuracy is maintained 242 Temperature Pressure Recorder Section 4 Static Pressure Pen Calibration RANGE ARM LOCK SCREW PEN MOUNT RECORD
10. lock screw and link screws are tight Unlock the recorder hub clip and remove the 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 requires replacement proceed as follows 1 2 16 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 242E Temperature Pressure Recorder Section 4 10 11 12 Remove the mounting screws from the static pressure element and dis card the damaged element Install the new element using the old mounting screws Connect the 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 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 the clamp block
11. pen s on the desired chart time line Secure the chart in place with the chart hub lock Calibration Check Pressure System Check the calibration of the pressure system prior to placing the recorder into service 1 Connect the recorder to the calibration equipment as shown in Figure 3 1 2 Apply zero pressure and adjust the pen to the zero circle on the chart us ing the zero adjust screw 3 Apply 100 pressure For example 100 pressure for an element with a standard range of 0 to 1500 psi is 1500 psi 50 pressure is 750 psi 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 recali brate the static pressure pen see Static Pressure Pen Calibration on page 15 INSTRUMENT TO BE CALIBRATED STATIC BLOCK INLET REGULATOR VALVE CONNECTION MENT SUPPLY VALVE j i OR DEAD WEIGHT TESTER Figure 3 1 Pressure system calibration 11 Section 3 242E Temperature Pressure Recorder Temperature System All instruments are calibrated at the factory and normally do not require more than a check before startup The Model 242E has been calibrated at 0 25 50 75 and 100 of full temperature range and checked for proper overtravel Because of the extensive procedure and elaborate test stand requirements needed to simulate operating
12. 01J 26 59 Screw Fil Head 10 32 x 1 2 9A 0114 0031J 2 60 Screw Round Head 10 32 x 5 16 9A 0111 0085J 2 Element Mounting Pressure 28 242 Temperature Pressure Recorder Section 7 Table 7 1 242E Parts List Item Description Part No Per Unit 61 Screw Round Head 10 32 x 5 16 9A 0111 0085J 2 Element Mounting Temperature 62 Screw Self tapping 10 24 x 1 4 Temp 9A 0946 0002J 4 amp Pressure Connections 63 Screw 6 40 x 1 4 9A 0114 0017C 3 64 Screw Self tapping 10 24 x 1 4 9A 0946 0002J 2 65 Screw Self tapping 10 24 x 5 8 9A 0918 1009J 1 66 Screw Round Head 10 32 x 1 4 9A 0111 0086J 1 Not Shown 67 Screw Round Head 10 32 x 5 16 9A 0111 0085J 6 Not Shown 68 Washer Flat No 10 9A 0003 0047K 69 Washer Shakeproof No 10 9A 0003 0033K 70 Set Screw Handle 8 32 x 1 4 9A 0320 0010J 1 Not Shown 71 Washer Flat 9A 0003 1064K 72 Screw Self tapping Door Stop 9A 0946 0002J 10 24 x 1 4 73 Screw Self tapping 10 24 x 1 4 9A 0946 0002J 6 Conduit Assembly amp Plug Electric Chart Drive Not Shown 74 Temperature Well Consult Factory AIR Screw Self tapping T23 1 4 20 Hex 9A 0938 0004J 4 Not Shown Wrench Zero Adj 9A 0163 0044C 1 75 Mounting Bracket Assy Slip on Not Shown Bracket Slip on 9A 0199 1179B Screw Flat Head 1 4 20 x 1 2 9A 0240 0009J 4 76 Mounting Bracket Assy Threaded Not Shown Brac
13. 0F20F6B 9A F0 200F25F6B 9A F0 200F30F6B 0 300 9A F0 300F20F6B 9A F0 300F25F6B 9A F0 300F30F6B 0 500 9A F0 500F20F6B 9A F0 500F25F6B 9A F0 500F30F6B 33 Section 7 242E Temperature Pressure Recorder Instrument Specifications General Case 242 Die cast aluminum black polyurethane electrostatic powder paint hinged glass front door neoprene gasket seal Chart Drive Spring wound or battery operated Chart 52 12 inch diameter Chart Rotation 60 minutes to 31 days Number of Pens 1 to 4 one for each element Pen Style cines Disposable Element TYPO ie e tee eet tate 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 Material ete Helical Stainless steel and K Monel Class V Thermal System Ambient Temperature Compensated Class VA cni nent eget Fully compensated 40 to 600 F 40 to 315 C Class ict e eee Case compensated 40 to 600 F 40 to 315 C Class Thermal System Ambient Temperature Compensated Class A mint Fully compensated Class IB nee Case compensated Class Range Limits Ethyl Benzene 125
14. 9A B17SL 2000 0 2000 9A B17SL 2500 9A 0044 0048T 0 2500 9A B17SL 3000 0 3000 9A B17SL 3500 9A 0044 0050T 0 3500 9A B17SL 4000 0 4000 9A B17SL 5000 9A 0044 0054T 0 5000 31 Section 7 242E Temperature Pressure Recorder Table 7 3 Static Pressure Elements Part No Alt Part No Standard Range psi Helical Elements 316 SST 1 8 Union Connection Ranges in PSIG 9A B17SL 6000 0 6000 9A B17SL 8000 0 8000 9A B17SL 10MU 0 10 000 Part No Standard Range psi 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 HP x FNPT High Pressure Adaptor Monel 9A B17MK XXXX Available in ranges from 0 250 PSIG thru 0 6000 PSIG XXXX Range in PSIG W 18 Welded Connection Line 74 FNPT Conn Unit can be adjusted to include vacuum measurement 32 242 Temperature Pressure Recorder Section 7 Table 7 4 Case Compensated Temperature Elements Class VB Mercury Filled 1 8 capillary w armor 11 16 diameter sensin
15. ER CHART PEN gt SCREW ZERO ae LINK TAB ADJUST SCREW FOR FINE DRIVE ADJUST LINK gt gt lt gt THUMB NUT LOCK SCREW gt gt lt gt 22 252 25 THUM LEVER ARM STATIC PRESSURE PEN assemecy FINE ADJUST SHOWN 50 POSITION DRIVE ARM gt A 7 LL fpf TIA LHA E UC PEE Ni WH Figure 4 1 Static pressure pen calibration To calibrate the static pressure pen and associated linkage proceed as fol lows 1 Adjust the static range arm and drive arm at precisely the same distance from the back of the case 2 Place the static drive link in the fourth hole from the pen shaft of the range arm 3 Adjust the static pressure linkage to form 90 angles between the drive link see above illustration and the pivot points of the associated linkage as follows a Apply 50 static pressure center the thumb nut on the drive arm and arrange the static linkage as illustrated in Figure 4 1 b Seta 90 angle between the drive arm and the link Tighten the clamp block screw c Vary the length of the link to get a 90 angle between the range arm and the link d Slip the range arm on the pen shaft to 50 on the chart 15 Section 4 242E Temperature Pressure Recorder Release the pressure and reset the pen to zero indication using the pen zero adjust screw for fine adjustment 10 or less For major adjust ment
16. Section 7 242E Temperature Pressure Recorder Table 7 1 242E Parts List Item Description Part No Per Unit Purple Universal Low Temp 9A BDP U 4 PL L 6 High Temp 20 to 120 F 7 to 48 C Low Temp 40 to 90 F 40 to 32 C 32 Plate Data Recorder 9A 0238 1026G 1 33 Door Stop Assembly 9A 0238 1019B 1 34 Door Latch Assembly Hook 9A 0238 0029B 1 35 Gasket Cover Glass 9A 0238 0015C 1 36 Cover Glass 9A 0238 0016C 1 Cover Plastic 9A 0238 0182C 37 Clip Cover Glass 9A 0238 0017C 4 38 Handle 9A 0238 1038C 39 Bushing Door Handle Not Shown 9A 0238 0094C 1 40 NOT USED 41 Pin Door Handle Not Shown 9A 0003 0022T 1 42 Gasket Recorder Door 9A 0096 1003T AIR 43 Plate Chart Not Shown 9A 0238 0903C 1 44 Riser Chart Drive 9A 0238 0007C 3 45 Drive Chart See Table 7 2 1 46 Hub Chart 9A 0238 0033B 1 47 NOT USED 48 Conduit Assembly Electric Chart Drive 9A 0238 0003B 1 Not Shown 49 Gasket Connection Electric Chart 9A 0238 0019C 1 Drive Not Shown 50 Not Used 51 Element Temperature See Tables 7 4 7 5 52 Element Pressure See Table 7 3 54 Riser Element Temperature 9A 0265 0005C 2 55 Not Used 56 Screw Hex Head 8 32 x 1 4 Pen 9A 0116 0014J 2 Mount Top Plate 57 Washer Lock No 8 9A 0003 0036K 2 58 Screw Round Head 6 32 x 1 4 9A 0938 00
17. e causing the bourdon tube to exert mechanical force The bourdon tube move ment is transmitted through mechanical linkage to a recording pen Figure 2 2 Temperature element on page 7 Thermal Bulb The thermal bulb acts as the 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 fac tor stainless steel is used in the Model 242E 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 s thermal properties make it highly sensitive to temperature changes and suitable for use with a wide range of temperatures 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 242 Temperature Pressure Recorder Sec
18. eron 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 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 klQc 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
19. g 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 15 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 500F25F8A 9A F0 500F30F8A Class IA 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 20
20. ive Elevation of the temperature bulb with respect to the recorder will cause a slight zero shift To install the temperature element perform the following steps Refer to Figure 2 2 Temperature element on page 7 as needed 1 Ifa thermal well was ordered with the temperature system thread the thermal well into a 3 4 inch NPT threaded pipeline connection and secure it with a 1 1 8 inch wrench If the pipeline is already fitted with a thermal well proceed to step 2 2 Insert the temperature bulb into the thermal well to its full depths 3 Secure the gland nut into the thermal well or existing 1 2 inch NPT con nection with a 7 8 inch wrench 4 With the bulb properly installed secure the packing nut into the gland nut To compensate for zero shift due to elevation shift the pen arm linkage of the recorder to realign the pen on the zero line of the chart 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 Release the chart hub lock located on the chart drive hub Raise the pen lifter arm Slide the chart between the pen s and the chart plate Insert the chart in 242E Temperature Pressure Recorder 6 Section 3 the chart guides in the chart plate position the hole in the chart over the chart hub and press the chart onto the hub Lower the pen lifter arm and position the chart to place the
21. ket Threaded 9A 0199 1190B Screw Flat Head 1 4 20 x 1 2 9A 0240 0009J 4 77 Mounting Bracket Assy Panel Not Shown Plate Mounting Black 9A 0199 1196C 1 Bracket Panel Mounting 9A 0238 0068C 3 Pad Pressure 9A 0238 0069C 3 Panel Mounting Screw 5 16 18 9A 0238 0070C 3 Screw 1 4 20 x 5 8 9A 0911 0004J 6 29 Section 7 242E Temperature Pressure Recorder Table 7 1 242E Parts List Item Description Part No Per Unit Nut Hex 5 16 18 9A 0500 0033J 6 Screw Flat Head 1 4 20 x 1 2 9A 0240 0009J 4 78 Mounting Bracket Assy Yoke Not Shown Bracket Yoke Mounting 9A 0199 1195B 1 Screw Flat Head 1 4 20 x 1 2 9A 0240 0009J 4 U Bolt 2 inch Pipe 5 16 x 1 1 4 Kit 9A 0440 0001J 1 Brace Mounting Bracket 9A 0224 1049C 1 Set Screw SQ Head 3 8 16 5 8 ST 9A 0310 0013J 3 Not Shown Recommended Spare Parts 242E only Multiply by number of pens used Universal type pens are required for 4 four pen meters A R As Required Table 7 2 Chart Drives Part No Description Model No Mechanical Spring Wound 9A 0042 0015T 24 Hour 9 Day 725R060 9A 0042 0016T 7 Day 725R061 9A 0042 0017T 24 Hour 7 Day 725R084 9A 0042 0030 8 Day 725R067 9A 0042 0031T 24 Hour 8 Day 725R068 9A 0042 1004T 31 Day 725R070 9A 0042 1003T 2 Hour 8 Hour 725R077 9A 0042 0024T 4 Hour 725 081 9A 0042 1007T
22. mperature Not Shown 9A 0265 0003C 1 14 Pen Mount Assembly 1 Dual 9A 0242 1002B 1 Pen Not Shown 9A 0242 1001B 3 Pen Pressure Not Shown 9A 0242 1003B 3 Pen Temperature Not Shown 9A 0265 1001B 4 Pen Not Shown 9A 0242 1004B 15 Link Assembly First or Second Pen 9A 0238 0015B v t 16 Link Assembly Third or Fourth Pen 9A 0262 0004B 1 Not Shown 17 Shaft Assembly Pen Arm First from 9A 0238 0006B 1 Chart 18 Shaft Assembly Pen Arm Second from 9A 0238 0007B 1 Chart 19 Shaft Assembly Pen Arm Third from 9A 0238 0008B 1 Chart Not Shown 20 Shaft Assembly Pen Arm Fourth from 9A 0238 0009B 1 Chart Not Shown 21 Pen Shaft Arm Assembly First or 9A 0202 0034B jett Second from Chart 22 Pen Shaft Arm Assembly Third from 9A 0242 0003B du Chart Not Shown Pen Shaft Arm Assembly Fourth from 9A 0265 0001B 27 Chart Not Shown 23 Lever Arm Assembly 9A 0238 0031B qr 24 Pen Arm 9A BDP A 2 1 A R 25 Pen Arm 9A BDP A 2 1 A R 26 Not Used 27 Not Used 28 Disposable Pen 1st from Chart 6 per AIR pkg 26 242E Temperature Pressure Recorder Section 7 Table 7 1 242E Parts List Item Description Part No Per Unit 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 9A BDP S 1 BK S 6 Black Scanner Low Temp 9A BDP S 1 BK
23. n Model 242E Temperature and Pressure Recorder is a versatile and rugged instrument designed for general temperature and pressure applica tions It records monitored temperature and pressure on a 12 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 to system piping The static pressure element measures the static pressure in a piping system Elements are available for measuring pressures ranging from 30 in of vacuum mercury to 30 000 psi For a list of elements and ranges see Table 7 3 Static Pressure Elements on page 31 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 long field life The pen mount is exceptionally rugged lines are adjustable Screw adjustments for zero range and linearity assure fast and accurate calibration Section 1 242E Temperature Pressure Rec
24. or a mechanical spring wound type motor see Table 7 2 Chart Drives on page 30 Static Pressure Element The sensor element consists of a helically coiled bourdon tube with a slightly flattened cross section of tubing coiled into a helix or flat spiral The upper end of the element attaches to a drive arm and the bottom end of the element connects to the capillary tubing which extends into the bottom of the recorder case and attaches to a connector in the back wall of the case The connector allows system piping to be connected externally through the back of the case Temperature Element Pressure Element Bourdon Tube Bourdon Tube Capillary Tubing Figure 2 1 242E recorder components Section 2 242E Temperature Pressure Recorder Static pressure introduced through the tubing into the static pressure element causes the element 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 mo tion onto a rotating chart to permanently record changes in static pressure Temperature Element The thermal system senses temperature changes using the thermal expansion priciple Temperature changes cause thermal expansion and contraction of mercury in the bulb When heated mercury expands it increases in volum
25. order 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 Troubleshooting on page 19 All chart drives are interchangeable and fitted with a recorder hub clip that features a simple yet secure method of locking the chart in place Explosion proof electrical chart drives are available Case The 242E 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 weathering scratches marring and industrial fumes The Model 242E connects to the system or transmitter through fittings in the bottom of the case 242 Temperature Pressure Recorder Section 2 Section 2 Theory of Operation General Pressure and temperature elements in the 242E 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 Two thermal sys tems are available a Class V mercury filled system and a Class I hydrocar bon filled system See Instrument Specifications on page 34 for details A chart drive mechanism turns the chart at a selected speed The chart is driven by either an electrical motor
26. ration can be minimized by mounting the instrument on a secure support Mounting IMPORTANT Mount the instrument 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 Installation Dimensional Drawings 2 Drill out pilot holes located on top and bottom of case Use a No 7 0 201 drill and 1 4 20 tap as required Section 3 242E Temperature Pressure Recorder 3 Attach two flush mounting brackets to bottom of case using the enclosed self tapping screws 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 spons
27. s more than 10 loosen the range arm lock screw slip the pen to zero on the chart and retighten the lock screw IMPORTANT It may be necessary to raise or lower the pivot point of the drive link on 10 11 12 the range arm as in step 3 If counterclockwise movement of the thumb nut step 5 does not increase the span sufficiently move the pivot pin up to the next pivot hole if clockwise movement of the thumb nut does not decrease the span sufficiently move the pivot pin down to the next pivot hole Apply 100 pressure and observe the pen If the pen is slightly un derranged turn the drive arm thumb nut counterclockwise if the pen is slightly overranged turn the drive arm thumb nut clockwise Repeat zero and 100 adjustment until calibration at these two points is achieved Apply 50 pressure and observe the pen indication a If the pen indicates high or low adjust the drive link to make a cor rection 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 Reapply 50 pressure and observe the pen indication d Repeat this step 7 as necessary 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
28. screw Calibrate the static pressure pen in accordance with the procedure out lined in Static Pressure Pen Calibration on page 15 Temperature System Replacement To replace the temperature system proceed as follows 1 2 3 Loosen the packing and gland nuts Remove the temperature bulb from the thermal well Loosen the capillary retaining nut and slip it back on the tubing Remove the four temperature element connection screws located on the back side of the recorder case where the capillary tubing enters the case Remove the union bracket by slipping the bracket onto the capillary con necting tubing Slip the bracket through the slit provided Remove the intermediate drive arm from the bourdon drive extension Remove the bourdon mounting screws and remove the complete temper ature unit by feeding the capillary through the entry hole provided Install a new element by reversing steps through 6 Calibrate the temperature pen in accordance with the procedure outlined in Temperature Pen Calibration on page 13 Chart Drive Replacement To replace the chart drive proceed as follows 1 2 3 4 Release the pressure to the recorder Turn off the chart drive Raise the pen lifter and remove the chart and chart plate Remove the chart drive mounting screws and remove the chart drive from the recorder case Position the new chart drive at the back of the recorder case and attach with mounting screws Replace the char
29. scription of problems common causes and recom mended corrections For further assistance contact your local Cameron field representative Table 5 1 Troubleshooting Guide Problem Source Probable Cause Corrective Action Low or No Excessive residue Heating conductivity Remove from Indication formation on tem of temperature bulb is service and clean perature bulb impaired element Mechanism Loose links or move Tighten or replace ments Out of calibration Recalibrate Corrosion or dirt in Clean or replace 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 Tighten or replace ments Out of calibration Recalibrate Erratic Indication Mounting Excessive vibration Secure the means of mounting Mechanism Linkage dragging or Adjust or clean dirty Excessive pen pres Adjust sure on chart No Chart Rotation Fuse Fuse Blown 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 Chart Hub Lock Lock not latched Latch hub lock Speed Chart Drive Wrong chart drive Replace with proper chart drive 19 Section 5 242E Temperature Pressure Recorder 20 242 Temperature Pressure Recorder Section 6 Section
30. t plate and the chart Lower the pen to the recording position 17 Section 4 242E Temperature Pressure Recorder 9 Disconnect the linkage for the second pen arm from the chart so that the arm moves freely Make sure the pen follows the timeline on the chart Reattach the linkage and make sure that the second pen arm is on the zero line of the chart Verify calibration Linkage Adjustments Finger tightening the range arm and drive arm lock screws can leave the screws too loose tightening them more than a full turn can break them To correctly tighten linkage screws perform the following steps Refer to Figure 4 2 Linkage adjustments on page 18 as needed 1 2 95 Tighten the lock screw until snug 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 Tighten the lock screw 1 3 of a turn to 1 2 of a turn beyond snug 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 yield ing TEST APPROXIMATELY Ve INCH DRIVE ARM DRIVE ARM CLAMP BLOCK CLAMP SCREW WRENCH 0163 0044 C TO TIGHTEN Figure 4 2 Linkage adjustments 242 Temperature Pressure Recorder Section 5 Section 5 Troubleshooting Table 5 1 provides a de
31. tion 2 BOURDON PACKING TUBE NUT 11 16 TEMPERATURE BULB MOUNTING 1 2 NPT GLAI PLATE 2 GLAND NUT 1 4 SPIRAL ARMOR TEMPERATURE 9 CALIBRATION ADJUST 1 16 CAPILLARY BULB EXTENSION CONNECTING TUBING CASE CONNECTION FITTING 7 16 20 UNF Figure 2 2 Temperature element Section 2 242E Temperature Pressure Recorder 242E Temperature Pressure Recorder Section 3 Section 3 Installation General Inspect the instrument as it is removed from packing and report any damage that may have occurred during shipment Standard Practice Considerations 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 34 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 Vib
32. y mounting nut 1 1 8 inch open end wrench Thermal well 7 8 inch open end wrench Gland nut 3 4 inch open end wrench Packing nut Phillips screwdriver Adjustments Periodic Maintenance Periodically inspect and clean the thermal well In services where the temper ature bulb or thermal well is in contact with semisolids sludge build 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 the range arm and the drive arm so that they are parallel in the same plane at the same distance from back of the case Adjust the lever arm and pen zero adjust screws to their midpoints and make sure that all midscale linkage angles are 90 13 Section 4 242E Temperature Pressure Recorder Calibrate the temperature pen after replacing the thermal element The com plete calibration procedure is as follows 1 2 14 Apply a temperature equal to 5096 of the total temperature range Adjust the
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