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Instruction Manual

LIQ-MAN-245

Rev. E

June 2017

Rosemount

TM

245

Toroidal Flow-Through Conductivity Sensor

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Summary of Contents for Rosemount 245

Page 1: ...Instruction Manual LIQ MAN 245 Rev E June 2017 RosemountTM 245 Toroidal Flow Through Conductivity Sensor ...

Page 2: ... 04 This is the initial release of the product manual The manual has been reformatted to reflect the Emerson documentation style and updated to reflect any changes in the product offering B 1 08 Addition of section 1 7 on page 5 C 3 12 Update pages 12 and 16 D 01 14 The manual has been reformatted to reflect the Emerson documentation style and updated to reflect any changes in the product offering...

Page 3: ...ovals that were applicable to the original device Furthermore replacement of original components with those constructed from alternative materials might change the pressure temperature and or performance specifications from those of the original configuration Ensure replacement parts are compatible with process requirements Unauthorized parts and procedures can affect the product s performance pla...

Page 4: ......

Page 5: ...nce Values for RTD 9 2 2 Sensor Wire Resistance Values with InstrumentCable Disconnect 9 List of Figures Sanitary Flow Through Toroidal Conductivity Sensor 2 245 Junction Box withRTD Diagram 4 Sensor to Junction Box Wiring 5 Extension Cable 6 Wiring Extension Cable to 54ec 6 Wiring Extension cable to 1056 and 56 6 Wiring Extension cable to Xmt T Panel Mount 6 Wiring Extension Cable to Xmt T Pipe W...

Page 6: ...Table of Contents Instruction Manual June 2017 LIQ MAN 245 This page left blank intentionally ...

Page 7: ...e compliant with USP Class VI requirements The 245 sensor is easy to install It clamps into the process piping between two Tri Clamp flanges Installation of special grounding rings is not needed because contact rings are already built into the sensor A junction box to facilitate wiring is included Conductivity depends strongly on temperature and conductivity measurements are typically corrected to...

Page 8: ...r supplies the mating flanges clamps gaskets and Pt 1000 RTD Model 245 Sanitary Flow Through Toroidal Conductivity Sensor CODE LINE SIZE Required Selection 01 02 1 03 1 04 2 CODE PROCESS CONNECTION Required Selection 12 Tri Clamp CODE CONTACT RING MATERIAL Required Selection SS 316L Stainless Steel CODE LINER MATERIAL Required Selection PK unfilled PEEK CODE PROCESS O RING MATERIAL Required Select...

Page 9: ...1000 TCmounted in a separate thermowell is also acceptable 2 Thread the RTD wires into junction box Wire the RTD to the j box terminals as indicated in Figure 1 4 Use of optional kit PN 24086 00 is recommended Extension Cable Hook Up 1 Sensor cable should not be run in conduit or open trays with any A C power wiring nor routed near heavy electrical equipment 2 For best sensor instrument loop perfo...

Page 10: ...dard as a function of temperature is known configure the analyzer to measure raw conductivity no temperature correction Also obtain a calibrated thermometer Place the thermometer in a beaker of water next to the sensor DO NOT PUT THE THERMOMETER IN THE SENSOR b If the conductivity of the standard is known only at 25 ºC leave the analyzer slope temperature correction on and set the temperature coef...

Page 11: ... the external toroids during service It does not detect changes in the contact rings It is not a calibration 1 Empty and dry the sensor 2 Attach a resistance decade box to the two yellow wires See Figure 2 1 3 Configure the analyzer to measure raw conductivity no temperature compensation 4 Adjust the resistance until the analyzer display reads the same number it did during calibration Record the r...

Page 12: ...uction Manual June 2017 LIQ MAN 245 Figure 1 4 Extension Cable Figure1 5 Wiring extension cable to 54ec Figure1 6 Wiring extension cable for 1056 and 56 Figure1 7 Wiring extension cable to Xmt T Panel Mount 6 245Sensor ...

Page 13: ...SE RTD IN SHLD RCV A RSHLD DRV B DRV A DSHLD 1 8 Maintenance The only routine maintenance required during the operational life of the sensor is to ensure that there are no deposits plugging the sensor or coating the inside of the contact rings Some customers find it advantageous to periodically replace process Tri Clamp gaskets to ensure adequate process seals Rebuilding the sensor must be done at...

Page 14: ...245 Sensor Instruction Manual June 2017 LIQ MAN 245 This page left blank intentionally 8 245Sensor ...

Page 15: ... sensor for open connections and short circuits Be sure to disconnect the cable PN 23909 00 before checking See Table 2 2 and Figure 2 1 Table 2 1 Resistance Values for Pt 100 and Pt 1000 RTDs Temperature Resistance Ohms C F Pt 100 Pt 1000 18 64 4 106 9 1069 19 66 2 107 3 1073 20 68 0 107 7 1077 21 69 8 108 1 1081 22 71 6 108 4 1084 23 73 4 108 9 1089 24 75 2 109 2 1092 25 77 0 109 6 1096 26 78 8 ...

Page 16: ...Section Title Instruction Manual June 2017 LIQ MAN 245 Figure 2 1 Sensor Circuit for Troubleshooting 10 Troubleshooting ...

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Page 18: ...ectric Co Rosemountis a mark of one of the Emerson family of companies All other marks are the property of their respective owners The contents of this publication are presented forinformationpurposes only and while effort has beenmade to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their us...

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