200A/200AS Differential Pressure Indicator User Manual
Contents
1. CAMERON Measurement Systems Barton Model 200A 200AS Differential Pressure Indicator User Manual Manual No 9A 10055 Rev 01 January 2008 SABE d 2 SECTION 1 INTRODUCTION l 1 Gen ral aaa S 3 1 2 Main Components ccrte rete retire tet ice 3 1 3 Indicator SpecifiCatiotis ederet tette reiten 3 SECTION 2 INSTALLATION 2 1 General ven RERO EE EUIR IER GNE 4 2 2 Mounting Piping DPU Installation eee 4 2 3 Starf uDs a aa X 4 SECTION 3 MAINTENANCE AND CALIBRATION 3 1 Required Tools Toolkit p n 9A 0288 1032B 5 3 2 DPU Installation Test Calibration Maintenance 5 3 3 Bezel Lens or Cover Installation and Removal 5 3 4 Calibration Check 3 5 Pointer Installation and Removal sees 6 3 6 Complete Calibration 2 eret rettet 3 7 Overrange Stop Adjustment 3 8 DPU MaintenanQe u nec vetere Hr re e eeg s 3 9 Locking Drive Arm to Torque Tube 8 3 10 Troubleshooting aret tree eere 9 SECTION 4 PARTS DRAWINGS PARTS LISTS Table 4 1 200A Parts List serrer 11 Table 4 2 200AS Parts List ete erret tH RESI 13 SECTION 5 INSTALL DIMENSIONAL DRAWINGS Product Warfanty eee ettet ciem ini e Pee en Pte 16 This manual is for the Differential Pressure Indicator onl2. sure used to indicate the liquid height The indicating pointer travels through a 270 degree arc over a six inch diameter scale The movement has a micrometer screw for range adjustment Pointer hub adjustment can be made without removing the scale plate or pointer Range and linearity adjustments are accessible after removal of the scale plate Model 200 AS is recommended for use in corrosive environments 1 2 Main Components The 200A consists of two major components an actuating unit differential pres sure unit and the case enclosed indicating instrument A Actuating Unit DPU Model 199 DPU For detailed information on the actuating differential pressure unit see the Model 199 DPU manual P N 9A 10030 B Case Indicator 1 3 Indicator Specifications Accuracy 0 10 w c to 0 349 w c 255 mm to 890 m x 1 226 of full scale differential pressure 0 350 w c to 0 100 psi 890 m to 6 7 bar 3 4 of full scale differential pressure Temperature Limits 40 F C to 180 F 80 C 35 F to 180 F 1 C to 80 C for water filled units Dimensions per model number and housing rating See outline dimensional drawings in section 5 1 4 Theory of Operation The bellows within the DPU moves in response to changes in the differential pressure monitored at the high and low pressure sides of the primary device installed in the process run The DPU bellows movement is
3. 50 0 50 differential pressure Indicator should accurately indicate each applied pressure Set overrange stops to prevent pointer from striking snubbers on scale See section 3 7 Overrange Stop Adjustment Tighten all screws Test setting by manually moving pointer from zero position to 50 then let the pointer return freely An off set in zero reading indicates pointer slippage If neces sary tap pointer hub to tighten it to shaft 3 7 Overrange Stop Adjustment 1 Apply sufficient pressure to the high pressure housing to deflect the pointer against the snubber on the scale plate Slide the upper overrange stop against the drive arm and tighten the overrange stop screw Apply sufficient pressure to the low pressure housing to deflect the pointer against the zero stop snubber on the scale plate Slide the zero stop against the drive arm and tighten the zero stop screw Remove the pointer and calibration scale Replace the pointer at zero adjust zero as necessary Replace the lens and bezel assembly 3 8 DPU Maintenance A DPU inspection cleaning repair service procedures along with applicable WARNING notices are presented in the Model 199 DPU manual 3 9 Locking Drive Arm to Torque Tube Refer to Model 199 DPU manual LINK SINTERED 8S approx CLAMP BLOCK LINK SLOTTED CLAMP BLOCK 3 32 ALLEN SHAFT WRENCH D TO TIGHTEN SHAFT CLAMP SCREW TO TIGHTEN CLAMP SCREW 1 8 WRENCH 0
4. being installed SECTION 3 MAINTENANCE AND CALIBRATION 3 1 Required Tools Toolkit p n 9A 0288 1032B Tool Purpose Pointer puller Pointer removal Small screwdriver Calibration adjustments Medium screwdriver Bezel removal DPU bracket screws 1 8 Open end wrench Calibration adjustments 1 8 Hex Allen wrench Switch setpoint adjustment 3 2 DPU Installation Test Calibration Maintenance Refer to the Barton Model 199 DPU user manual Part No 9A 10030 3 3 Bezel Lens or Cover Installation and Removal Whenever the bezel lens is installed the bezel gasket p n 9A 0277 0026C must be installed as shown below BEZEL GASKET 0277 0026C To remove the bezel and cover lens on non explosionproof units INSTALL WITH INSTALL 1 Loosen three screws on the front THIS SIDE n n d of bezel ee 2 Tilt out bottom of bezel and Figure 3 1 slide bezel upward Bezel Lens BEZEL LENS The two snubbers p n 9A 0266 0028C on the scaleplate should not be com pressed against the lens cover and the pointer should not touch the lens Notice Ensure correct bezel gasket orientation before placing instrument back in service Incorrect bezel gasket orientation will cause the instrument indicator to jam resulting in inaccurate readings 3 4 Calibration Check Normally all that is required to put switch into service is to verify that it remains at factory set calibration per the following 1 Securely mount unit in an ap
5. mechanically trans ferred to the indicator mechanism through a rotating torque tube shaft As the torque tube rotates the drive arm transmits the motion through the connecting link to the indicating pointer The pointer travels through a 270 degree arc to indicate measurement on the 6 in scale plate The 6 in scale can be printed as required in uniform increments for differential pressure static pressure or liquid height or in square root increments for direct flow measurements Special scales can be furnished to indicate the amount of liquid in a tank SECTION 2 INSTALLATION 2 1 General The instrument should be inspected at time of unpacking to detect any damage that may have occurred during shipment Note The unit was checked for accuracy at the factory do not change any of the settings during examination or accuracy will be affected For applications requiring special cleaning precautions a polyethylene bag is used to protect the instrument from contamination This bag should be removed only under conditions of extreme cleanliness 2 2 Mounting Piping DPU Installation Refer to the Barton Model 199 DPU user manual Part No 9A 10030 NOTICE Do not turn instrument by grasping the instrument case this can result in damage to the case Always thread pipe into instrument 2 3 Startup For startup procedures warning notices and information refer to the separate DPU Manual that is appropriate for the instrument model
6. 163 0044C Figure 3 4 Locking Drive Arm to Torque Tube l Slip drive arm over torque tube shaft clear end of torque tube housing by approximately 0 030 inches before securing to prevent interference 2 To tighten drive arm assembly onto torque tube shaft a While supporting block shaft tighten clamp screw until snug to shaf b Still supporting block shaft tighten clamp screw an additional Sintered 1 3 to 1 2 turn This screw can normally turn one full revolu tion before breaking Slotted 1 4 to 1 3 turn The slot in the slotted clamp block should still be open 3 10 Troubleshooting Refer to Table 3 1 for troubleshooting information Also see the Model 199 DPU manual Table 3 1 Troubleshooting Problem Possible Probable Corrective Action Source Cause Low or No DPU See Model 199 DPU manual Indication Indicator Loose movement Tighten replace movement Out of calibration Calibrate unit Dirty or corroded Clean replace mechanism mechanism Pointer loose Tighten pointer High Piping or See Model 199 DPU manual Indication primary source DPU See Model 199 DPU manual Indicator Loose arms Tighten mechanism Out of Calibration Calibrate unit Erratic Primary See Model 199 DPU manual Indication Element See Model 199 DPU manual DPU See Model 199 DPU manual Indicator Movement Adjust clean movement dragging or dirty Pointe
7. NEL MOUNTING CUTOUT PANEL 1 2 12 7 PULSATION MAX THICK DAMPENER PIPE STAND MTG BKT o amp DIMENSIONS IN J ARE IN MILLIMETERS SIDE VIEW SWrED IN PANEL MTG S FOR PANEL MOUNT REMOVE HEADS amp PIPE MOUNTING BRACKET ALL STANDARD PIPE FITTINGS FURNISHED BY CUSTOMER SUITABLE FOR USE WITH AMINCO FITTINGS AMERICAN INSTR CO SILVER SPRING MD OR EGUIV CAN BE REVERSED WHEN ORDERED OR ROTATED 188 IN THE FIELD PIPE MTG ADAPTER OF CAST ALUMINUM WILL BE FURNISHED UNLESS OTHERWISE SPECIFIED SPECIFY PIPE SIZE WHEN ORDERING THREADED STEEL ADAPTER NOTES UNLESS OTHERWISE SPECIFIED PANEL MOUNTING 15 Product Warranty A Warranty Cameron International Corporation Cameron warrants that at the time of ship ment the products manufactured by Cameron and sold hereunder will be free from defects in material and workmanship and will conform to the specifications furnished by or approved by Cameron B Warranty Adjustment 1 If any defect within this warranty appears Buyer shall notify Cameron immedi ately 2 Cameron agrees to repair or furnish a replacement for but not install any prod uct 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 3 No product will be accepted for return or replacement without the written authorization of Cameron Upon such authorization and in accordance with instructions by Camero
8. NGE H 9 1 2 FOR WALL MTG 241 3 97 5 8 193 71 saxa OPTIONAL CUTOUT 195 8 4X 017 54 6 8 PRESSUR a 4 1 8 i2 174 81 SEE TAB 9 1 2 241 3 3 5 8 PETS 2 58 81 feed 184 81 wa 2 t b4 9 94 41 PULSATION DAMPENER FAST RESPONSE A IS OPTIONAL 2X BOTTOM PRESS CONN SEE TABLE 9 1 2 MIN 241 31 1 1 2 OR 2 INCH PIPE NIPPLES LENGTH TO SUIT ALTERNATE FITTING 29 32 25 21 FLUSH MTG AA ADAPTER PLATE E CONN LE Nin 4 1 8 e 4 1 8 A 184 8 184 8 PANEL CUTOUT FLUSH MTG ADAPTER PLATE 2 58 81 3 PULSATION DAMPENER 14 i i iea PENNE 3 1688 PSI 8 29732 66 578 172 NPT 174 NPT 12 226 21 168 31 A SIDE IEW PANEL MOUNTING 2588 PSI 1 2 NPT 1 4 NPT 5 668 PSI UNIT A A 12 9 S 32 97 1 8 6888 PSI 232 61 181 81 ub di w 12 amp BBB PSI A A DIM A DIM B TOP BOTTOM NO oF Heo EI RATING PRESSUR BOLIS A 3 32 E DATA PLATE 7 1 2 198 5 1 7 16 35 5 DPU S 127 8 PIPE MOUNTING ADAPTER MATL CAST ALUMINUM NON THREADED FOR 1 1 2 POINTER STOPS OR 2 INCH STD PIPE 1 1 2 OR 2 INCH ELBOW FRONT VIEW H SIDE VIEW MOUNTING NOT SHOWN PIPE MOUNTING 4 27 32 31 16 123 8 1 4X 1 4 28 STUDS FOR PANEL MTG 4X 17 64 C um EG SP TE 3g 9 6 1 2 165 11 PA
9. POINTER rts p n 9A 0288 1032B 2 Lightly tap pointer hub with a hand set or other flat end tool Use perpendicular blows to avoid bending shaft 3 Check calibration over entire range see section 3 8 If unit is correctly calibrated secure pointer to movement shaft by tapping hub with a hand set or other flat end tool B Pointer Removal Pointer is removed with Barton Pointer Puller p n 9A 0163 0005B which is included in the toolkit p n 9A 0288 1032B 1 Slide pointer puller along pointer until pin protruding from tip of screw in pointer puller is directly over movement shaft and arms of pointer puller are directly under pointer 2 Gently turn knurled head of screw clockwise pushing pin against move ment shaft and lifting pointer with arms Finger pressure should be sufficient to pull the pointer free If more pressure is required insert an Allen wrench into head of the screw for leverage Avoid applying exces sive pressure which can cause the pin to break 3 6 Complete Calibration A complete calibration of the instrument is required whenever the DPU assembly is replaced Refer to the Model 199 DPU manual before performing this calibra tion procedure 1 Securely mount instrument in an approximately level position and connect DPU into the test setup as described in the Model 199 DPU manual 2 Align linkage between drive arm and movement Figure 3 3 shows proper alignment at 50 differential pressure Inspect pa
10. RETAINING DRIV LOK 9A 0004 0005K 24 BEZEL ASSEMBLY 9A 0277 0018B 1 25 CALIBRATION KIT NOT SHOWN 9A 0288 1032B 1 Recommended spare part Scale plate identification If the scale plate shows an SCR number this will identify it Otherwise provide the following information 1 Square Root or Linear Graduations 2 Scale e g 0 100 25 0 100 etc 3 Number of Graduations linear scales only 4 Data e g PSI bar inches of water column meter etc 5 Standard plates have white background When ordering parts specify serial number of instrument WARNING A Use only spare parts identified in this manual Cameron bears no legal respon sibility for the performance of a product that has been serviced or repaired with parts that are not authorized by Cameron 11 12 Figure 4 2 200AS Parts Drawing with optional 316 stainless steel case Table 4 2 200AS Parts List Item Description Part No vu 1 DIFFERENTIAL PRESSURE UNIT NOT SHOWN SEE DPU 1 MANUAL 2 MOUNTING PLATE STAINLESS STEEL 9A S961 0042C 1 3 CASE INDICATOR STAINLESS STEEL 9A S961 0036C 1 4 LINK ASSY 9A 0226 0020B 1 5 MOVEMENT ASSY 9A 0129 1012T 1 6 BRACKET STOP 9A 0288 0028C 1 7 DRIVE ARM ASSY 9A 0226 0023B 1 8 WASHER SPLIT LOCK 4 STAINLESS STEEL 9A 0003 0062K 2 9 SCREW BIN HD 4 40 x 3 16 SST 9A 0117 0012J 3 10 SCALE PLATE ALUMINUM 9A S961 0051C 1 1 DI
11. V UNITS SPECIFIED 11 SCREW SCALE PLATE FIL HD 4 40 X 3 16 9A 0114 0023J 4 12 SNUBBER POINTER RUBBER 9A 0226 0028C 2 13 POINTER ASSY ALUMINUM 1 BLACK 9A 0288 0031B WHITE 9A 0288 0030B 14 BEZEL 9A S961 0037C 1 15 LENS 9A S961 0038C 1 16 GASKET LENS RUBBER 9A S961 0039C 1 17 NOT USED 18 SCREW BEZEL ISO M5 C SUNK DOMED HD 9A S961 0041C 9 STAINLESS STEEL 19 CALIBRATION KIT NOT SHOWN 9A 0288 1032B 1 20 SCREWS CASE MOUNTING 10 32 UNC STEEL 9A 0240 0019J 4 NOT SHOWN 21 BRACKET SPACER PLATE STAINLESS STEEL 9A S961 0044C 1 22 SCREW CAP BRACKET SPACER PLATE 1 4 9A 0240 0009J 4 UNC STEEL NOT SHOWN 23 RING FLANGE THREADED STAINLESS STEEL 9A S961 0040C 1 Recommended spare parts WARNING N Use only spare parts identified in this manual Cameron bears no legal respon sibility for the performance of a product that has been serviced or repaired with parts that are not authorized by Cameron 13 SECTION 5 INSTALL DIMENSIONAL DRAWINGS 7 1 2 41 8 198 5 t3 21 3 3 4 21 16 95 3 1 6 A 2X TOP PRESS CONN SEE TABLE 2 58 8 _ PULSATION s DAMPENER t DUST CAP 4 7 16 112 7 7 3 4 gt 196 9 MIN LOW PRESS HOUSING HIGH PRESS HOUSING ALTERNATE PIPE MTG ADAPTER MAT L STL THREADED FOR 1 1 2 OR 2 INCH STD PIPE REAR VIEW 1 1 2 OR 2 INCH PIPE CLAMP OUTLET TO SUIT 1 1 2 OR 2 INCH FLOOR FLA
12. ly NuFlo Measurement Systems Barton Instrument Systems Caldon Inc HOUSTON 281 582 9500 NORTH 1 800 654 3760 HEAD OFFICE AMERICA ms us c a m com ASIA 4603 2287 1039 EUROPE 44 1243 826741 PACIFIC MIDDLE EAST ms asiapacific c a m com amp AFRICA ms uk c a m com USA CANADA UK e SCOTLAND CHINA UAE ALGERIA MALAYSIA SINGAPORE www c a m com flo C caMERON
13. n the product will be returned shipping charges prepaid by Buyer Replacements 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 FITNESS FOR A PARTICULAR PURPOSE OR OTHERWISE 2 Components manufactured by any supplier other than Cameron shall bear only the warranty made by the manufacturer of that product and Cameron assumes no responsibility for the performance or reliability of the unit as a whole 3 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 4 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 5 The warranty does not extend to or apply to any unit which has been repaired or altered 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 MEASUREMENT SYSTEMS Former
14. propriately level position and connect DPU to a standard pressure source per Model 199 DPU manual 2 If zero indication is incorrect remove bezel lens cover on explosionproof units and reset pointer to zero Note For an exact zero setting hold the hexagon hub with a wrench and carefully slip the pointer on its hub until it points to zero graduation Replace bezel lens or cover 3 To test for reverse travel connect pressure source to LP housing and vent HP housing Apply pressures approximately 150 of the differential pres sure range The pointer should move approximately 5 to 10 below zero 4 To test for overtravel connect pressure source to HP housing and vent LP housing Apply pressures approximately 15046 of the differential pressure range Pointer should move approximately 5 to 10 above fullscale 5 Apply 0 5096 and 100 of full scale pressure If indication is within specified limits instrument calibration is satisfactory and no adjustments are necessary If indications are incorrect perform calibration procedure see section 3 6 6 Make sure instrument zero indication is correct otherwise repeat Step 2 7 Verify switch setpoints see section 3 7 page 7 3 5 Pointer Installation and Removal A Pointer Installation Figure 3 2 Pointer Puller 1 Position pointer on move ment shaft with pointer set POINTER PULLER at zero scale If necessary pe enlarge hub hole using a tapered broach in toolkit
15. r dragging Adjust pointer position on scale plate SECTION 4 PARTS DRAWINGS PARTS LISTS Figure 4 1 200A Parts Drawing Table 4 1 200A Parts List Per Item Description Part No Unit il DIFFERENTIAL PRESSURE UNIT MODEL 199 SEE DPU 1 MANUAL 2t SCREW BEZEL SLOTTED 9A 0181 0007C 3 3 BEZEL PART OF ITEM 24 9A 0277 0029C 1 4 LENS COVER PART OF ITEM 24 9A 0181 0038C 1 5 GASKET BEZEL PART OF ITEM 24 9A 0277 0026C 1 6 POINTER ASSEMBLY 1 WHITE 9A 0288 0030B BLACK 9A 0288 0031B 7 SCREW SCALE PLATE 4 40 x 3 16 SST 9A 0114 0023J 4 8 SCALE PLATE 1 WHITE ON BLACK BACKGROUND 9A 0200 0051C BLACK ON WHITE BACKGROUND 9A 0200 1014C 9 STOP SNUBBER 9A 0226 0028C 2 10 LINK ASSEMBLY 9A 0288 0036B 1 1i DRIVE ARM ASSEMBLY 9A 0200 0015B 1 12 SCREW 4 40 x 1 4 SST 9A 0111 0034J 2 13 WASHER SPLIT LOCK 4 SST 9A 0003 0062K 2 14 WASHER FLAT 4 SST 9A 0003 0096K 3 15 SCREW 4 40 X 3 16 SST SLOTTED 9A 0117 0012J 1 16 BAR STOP OVERRANGE 9A 0288 0028C 1 17 MOVEMENT ASSEMBLY 9A 0288 0035B 1 18 SCREW 1 4 20 X 1 2 STL CD PL SOCKET 9A 0240 0009J 4 19 CASE 9A 0200 0052C 1 20 SCREW 1 4 20 X 1 STL CD PL SLOTTED 9A 0340 0003J 4 21 NUT 1 4 20 HEX STL CD PL 9A 0500 0010J 4 22 PLATE FLUSH MOUNTING ADAPTER ITEMS 9A 0200 0014C 1 20 AND 21 USED WITH ITEM 22 NOT SHOWN 23 STUD BEZEL
16. rts for straightness and pivot fit without binding 10 Set pointer at zero on scale by slipping pointer on hub Hold tip of pointer and turn hub with wrench Apply 100 differential pressure If pointer exceeds 100 on scale lengthen range arm Remove pressure Set zero and span using hub for zero adjustment and range adjust screw on the movement for span adjustments Apply 50 differential pressure If pointer does not indicate 50 scale a linearity adjustment is necessary Loosen drive arm screw and move arm to shift pointer in direction of error approx 10 1 Tighten drive arm screw Release pressure and reset pointer at zero Check the span If gear in move ment reaches limit of travel as a result of linearity adjustment step 6 slip range arm along gear approximately 5 degrees from normal 37 5 degree angle to approximately 43 degrees Range arm is slipped by applying pres sure to range arm with thumb while e ati holding gear firmly in place Retest pointer response at 50 and 100 differential pressure and adjust linkage until readings are acceptable Apply 0 25 50 75 100 DPU TORQUE TUBE SHAFT pressure consecutively to instrument without over shoot Lightly tap indicator to over come friction ADJUST SCREW Pointer should Figure 3 3 accurately indi Linkage Alignment cate each applied EAR RANGE ARM ASSEMBLY 50 DP pressure Test instrument repeatability by applying 0
17. y Before installing or operating this instrument refer to Model 199 DPU manual P N 9A 10030 N uim Before installing this instrument become familiar with the installation instruc tions in Section 2 and in the Model 199 DPU manual DANGER notes indicate the presence of a hazard which will cause severe personal injury death or substantial property damage if warning is ignored WARNING notes indicate the presence of a hazard which can cause severe personal injury death or substantial property damage if warning is ignore CAUTION notes indicate the presence of a hazard which will or can cause mod erate personal injury or property damage if warning is ignored DANGER WARNING and or CAUTION notes that appear on the following pages of this manual should be reviewed before proceeding None Important Before installing or operating this instrument review all safety notices contained in the Model 199 DPU manual SECTION 1 INTRODUCTION 1 1 General The Barton Models 200A standard case and 200AS optional 316 stainless steel case indicators measure differential pressure fluid flow rate or liquid level For fluid flow measurements the indicator is connected by piping to the low and high pressure sides of a primary device e g orifice plates venturis or flow tubes located in the process run For liquid level applications variations in the level of the liquid within the process vessel produce changes in differential pres
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