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D-546-9-E

7.3 Separate-mount Preamp to Probe Terminal Box Wiring Diagram

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Summary of Contents for EX DELTA, EX DELTA-DIA

Page 1: ...ns before you place the meter in service and keep this manual for ready reference Battery Powered Vortex Flowmeters EX DELTA EX DELTA DIA Fixed replaceable sensor and integrally separately mounted pre...

Page 2: ...Thermometer Taps 13 5 4 Ripples 14 5 5 Prevention of Cavitation liquid service 14 5 6 Prevention of Excessive Flowrate 14 5 7 Prevention of Slug Flow 15 5 8 Partially Filled Pipe 15 5 9 Bypass Line 15...

Page 3: ...Type 41 15 GENERAL SPECIFICATIONS 43 15 1 Probe Specifications 43 15 1 1 EX Delta Probe Specifications 43 15 1 2 EX Delta Dia Probe Specifications 44 15 2 Indicated Units of Measure 45 15 2 1 EX Delt...

Page 4: ...from the general text to bring the user s attention to important information CAUTION Caution statements signal the user about hazards or unsafe practices which could result in minor personal injury o...

Page 5: ...emperature and humidity variation around 25 and 65 R H 3 A meter that has once been placed in service for any length of time should be washed clean to remove residue of metered material completely fro...

Page 6: ...with no moving parts contributes to long life 3 No loss of accuracy with age 4 A wide temperature and pressure range Accepts most fluids including liquids gases and steam 5 Small pressure loss across...

Page 7: ...struction Diamond shaped Bluff Body Flow Direction Replaceable Sensor Type Fixed Sensor Type Sensor How vortices are formed and shed Flow Direction Sensor Sensor Flow Diamond shaped Bluff Body Diamond...

Page 8: ...ensor All wetted parts are made of stainless steel for maximum life expectancy common to all meters 40mm and larger in nominal diameter Replaceable sensor type Consists of an oscillating spool which t...

Page 9: ...lectric charges generated from the sensor into an output signal representing the flowrate Consists of the interface board amplifier board and display board Preamplifier physical orientation is adjusta...

Page 10: ...The reading is resettable only when a resettable total flow appears 2 The mode select switch cannot be used in the parameter setup mode 4 2 2 Operation with Mode and Reset Switch Internal to Preamplif...

Page 11: ...e to RESET switch operation There is no distinction between ordinary depression and prolonged depression 4 3 Low Battery Alarm The internal battery pack is good for about seven years in continuous ope...

Page 12: ...aight pipe conforming to the ISO standards given in Table 5 1 below using a Sch 40 pipe 1 OVAL flow straightener combined with downstream pipe 25mm and up in nom dia D Nom Dia No Arrangement Remarks 1...

Page 13: ...ipe consult factory for application assistance Honey Vane Outline Dimensions NOTE The dimensions of honey vane built in EX Delta EX Delta SS remain the same as those of standard EX Delta flanged type...

Page 14: ...level calculated by the following formula P 2 60 P 1 25P0 MPa abs where P Pressure loss MPa abs 1 2 V2 10 6 P0 Steam pressure of liquid MPa abs Density kg m3 V Flow velocity m s 5 6 Prevention of Exc...

Page 15: ...such as ball valves full bore type in this arrangement see Fig 5 4 For general considerations to be observed refer to JIS Z 8766 Flowrate Measurement Methods with Vortex Shedding Flowmeters 6 INSTALLA...

Page 16: ...ng the preamplifier with sensor leads in place may damage the sensor Procedure Refer to Section 14 EXPLODED VIEW AND PARTS LIST on pages 39 and 42 Turn off power on the display board see Fig 6 11 on p...

Page 17: ...es installation on a horizontal or vertical steel pipe 2 inches in diameter with furnished U bolt Select an installation location easy for maintenance and in a desirable environment IMPORTANT Location...

Page 18: ...ard Fig 6 11 Take off four screws holding the display board Fig 6 12 NOTE The procedure above applies to the separate mount type preamplifier Separate the display board from the preamplifier body Fig...

Page 19: ...he interior of the meter pipe or meter accuracy will suffer Pass the connecting bolts through their openings and tighten up the bolts Individual bolts are now in contact with the adjust rings and the...

Page 20: ...ted from the neck of preamplifier by the distance given in the table below Type Dim L Fixed sensor 50mm min Replaceable sensor 70mm min 6 8 Ambient Temperature Given in Fig 6 20 is the allowable proce...

Page 21: ...quip ment 2 In a district where lightening is expected a lightening arrestor should be provided 3 Pitch down the cable at the cable entry to prevent rainwater and moisture from getting into the equipm...

Page 22: ...22 D 546 9 E 7 3 Separate mount Preamp to Probe Terminal Box Wiring Diagram...

Page 23: ...ty inspect connecting bolts gaskets etc for tightness and other condition Make sure of the flow direction also Leak check Fill the meter with the fluid and check for any leak Turn on power with separa...

Page 24: ...orm following amplification on the oscilloscope and adjust such that the peak value of vortex waveform is 100mV p p approx at the minimum flowrate Sensitivity Potentiometer Vortex Waveform After Ampli...

Page 25: ...ses relative to that ratio of trigger level sensitivity ratio Example When a trigger level 160mV p p is increased to 350mV p p the resultant sensitivity declines by a factor 160 350 1 2 2 sensitivity...

Page 26: ...one or the sign changes such as E or Following the parameter setup hold the MODE switch depressed for 2 seconds the new setting is then established and the screen returns to the review mode In Measure...

Page 27: ...cess RESET With each ON the decimal point moves one place to the left and the figure increases by one On locating the desired decimal place press MODE for 2 sec The new setting is established and the...

Page 28: ...s setting process only changes indicated unit It by no means changes calculation process Decimal point in inst flowrate bP Depends on the specification 0 Decimal point in instant aneous flowrate b1 Se...

Page 29: ...in a transition to take place Holding MODE switch depressed continuously for 5 sec results in a transition to take place Indicates the title not any parameter Holding MODE switch depressed for 2 sec...

Page 30: ...haped stop ring 209 for the shaft Fig 11 2 Remove O ring retainer 208 and O ring 207 Take off hex socket head bolts 206 and Remove adaptor 204 Fig 11 3 Take off four hex socket head bolts 206 Take off...

Page 31: ...ox see page 16 In the separately mounted type disconnect the cable for external wiring connections see page 16 Remove shield strip 307 page 16 Disconnect sensor leads page 16 Loosen hex socket head se...

Page 32: ...e the sensor or it may be damaged When you install the sensor make sure that sensor s locating pin fits in the mating pin slot in the oscillating spool and carefully insert the sensor into place While...

Page 33: ...TEST PINS DESCRIPTION Amplified vortex waveform While measurement is being made Pulse sync with vortex Before low cutoff filter Pulse sync with vortex After low cutoff filter 2 Amplifier Board B Circ...

Page 34: ...varies according to the metered fluid and the nominal diameter of the meter 1 2 frequency divide switch 1 2 Selects the scaling factor for the flowrate signal being measured 1 1 and 1 2 Setting varies...

Page 35: ...the accumulated total mode turning ON OFF resets the total reading Normally set to OFF No function 3 Always set to OFF POWER switch 4 ON Turns power battery ON OFF Turns power battery OFF NOTE With s...

Page 36: ...36 D 546 9 E 11 3 Preamplifier Block Diagrams...

Page 37: ...to the preamplifier housing with two screws Install the battery pack connector securely in place Turn on the POWER switch on the display board NOTE Make sure that the display shows a flowrate reading...

Page 38: ...ged Measure mode can be restored with MODE switch but the grand total flow and resettable total reading will be reset to 0 PA Err Pu Pulse weight error Pulse weight Pu setting is too small with respec...

Page 39: ...39 D 546 9 E 14 EXPLODEDED VIEW AND PARTS LIST 14 1 Fixed Sensor NOTE Parts list on the next page...

Page 40: ...1 Nom 10 JIS B 2804 Sym No Part Name O ty Remarks 300A Preamplifier w totalizer 1 set PA35 300C Separately mounted Preamp with totalizer 1 set PA35 300D Terminal Box 1 set 312 Display Board 1 set See...

Page 41: ...41 D 546 9 E 14 2 Replaceable Sensor Type NOTE See next page for parts list...

Page 42: ...minal 10 JIS B 2804 210 Spring Washer 4 Nominal 4 Fits M4 Sym No Part Name Q ty Remarks 300A Preamplifier with Totalizer 1 set PA35 300C Separately mounted Preamp with Totalizer 1 set PA35 300D Termin...

Page 43: ...cal orientation Maintainability and waterproof work for cable entry should be taken into consideration Finish measuring pipe Nominal sizes 10 to 300mm Remains unfinished because of stainless steel mat...

Page 44: ...intainability and waterproof work for cable entry should be taken into consideration Finish Measuring Pipe Remains unfinished because of stainless steel material NOTE Items other than above are common...

Page 45: ...5 74 0 2 422 1 200 8 1130 44 7 7 021 250 10 1750 35 9 13 54 300 12 2510 30 0 23 24 Gas 15 1 2 33 1717 0 005338 0 01 25 1 130 2339 0 01613 0 1 40 1 1 2 290 1768 0 04556 50 2 490 1360 0 1001 1 80 3 1380...

Page 46: ...ne Finish Munsell 2 5G8 2 Cover Munsell 2 5BG5 6 Display LCD display shows total flow and instantaneous flowrate numerals 10mm high Accumulated total flow 8 digit Scrolls through available variables w...

Page 47: ...10 to 150mm 10 IS FOR LIQUIDS ONLY C 100 where Pressure loss kPa Density kg m3 To determine the pressure loss find the value C at the inter secting point of flowrate Q and slanted line of the given me...

Page 48: ...ses Nom Diameters 15 to 80mm C 100 where Pressure loss kPa Density kg m3 To determine the pressure loss find the value C at the inter secting point of flowrate Q and slanted line of the given meter di...

Page 49: ...10 40 277 2 6 2 4 15 1 2 65 32 5 14 5 40 277 2 6 2 4 25 1 65 32 5 26 6 67 277 3 2 3 0 40 1 1 2 80 40 37 6 81 262 3 9 3 7 50 2 80 40 48 5 91 266 4 0 3 8 80 3 100 40 72 4 126 282 6 8 6 6 100 4 125 48 95...

Page 50: ...4 282 15 2 15 0 100 4 250 110 5 95 2 302 21 2 21 0 150 6 322 132 5 140 3 332 43 7 43 5 200 8 350 199 9 347 38 3 38 6 250 10 450 248 8 369 68 8 68 6 300 12 500 297 9 391 88 8 88 6 NOTE JIS 10K dimensio...

Page 51: ...mp Provided with separate preamp 15 1 2 65 32 5 14 5 40 277 2 6 2 4 25 1 80 47 5 26 6 67 270 3 2 3 0 40 1 1 2 100 67 41 2 82 261 3 9 3 7 50 2 125 85 52 7 92 266 4 0 3 8 80 3 125 85 78 1 127 282 6 8 6...

Page 52: ...eter I D H Approx Weight kg Integral with preamp Provided with separate preamp 50 2 229 52 7 266 8 8 9 0 80 3 254 78 1 282 15 0 15 2 NOTE JIS 10K dimensions and weight are shown here NOTE For complete...

Page 53: ...5 346 9 6 9 4 80 3 219 99 5 72 4 362 15 8 15 6 100 4 250 110 5 95 2 382 21 8 21 6 150 6 322 132 5 140 3 412 44 3 44 1 200 8 350 199 9 427 39 4 39 4 250 10 450 248 8 449 69 4 69 4 300 12 500 297 9 471...

Page 54: ...mp 50 2 229 52 7 346 8 4 9 6 80 3 254 78 1 362 15 6 15 8 NOTE JIS 10K dimensions and weight are shown here NOTE For complete details of dimensions see approval drawing 16 6 Separately mounted Preampli...

Page 55: ...E Class 150 only Flow Straightener Outline Dimensions Downstream Short Pipe Outline Dims Model Nom Dia mm in Dimensions mm Approx Weight kg d L 1 2 JIS10K JIS 20K ASME150 JIS 30K ASME300 SP 2 3 02 20...

Page 56: ...N PN 25 See Note 3 D DIN PN 40 See Note 3 9 Others Sensor Construction 1 Standard 2 Separate sensor probe type Fluids to be Metered G Gas Steam 300 L Liquid 300 S High temp application for gas steam o...

Page 57: ...6 ASME 300 See Note 1 7 JPI 150 8 JPI 300 9 Other Sensor construction 2 Separate sensor type Applicable fluid L Liquid H High temp application for liquid Over 300 and 460 flanged type replaceable sens...

Page 58: ...D 546 9 E All speci cations are subject to change without notice for improvement 2011 11 Revised D 546 9 E 1...

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