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Reference Manual

00809-0100-3225, Rev AA

August 2018

Rosemount

™

 225 

Toroidal Conductivity Sensors

Содержание Rosemount 225

Страница 1: ...Reference Manual 00809 0100 3225 Rev AA August 2018 Rosemount 225 Toroidal Conductivity Sensors ...

Страница 2: ...2 ...

Страница 3: ...e to 0 psig and cool down the process temperature Failure to reduce the pressure and temperature may cause serious injury to personnel CAUTION EQUIPMENT DAMAGE The wetted sensor materials may not be compatible with process composition and operating conditions Application compatibility is entirely your responsibility 3 ...

Страница 4: ...4 ...

Страница 5: ... Calibration 19 3 1 Sensor calibration 19 3 2 Calibrating against a Standard Solution 19 3 3 Calibrating against a Referee in Process 21 3 4 Calibrating against a Referee Grab Sample 22 Chapter 4 Troubleshooting 25 4 1 Maintaining the sensor 25 4 2 Troubleshooting 25 Chapter 5 Accessories 29 Chapter 6 Return of Materials 31 Reference Manual Contents 00809 0100 3225 August 2018 Rosemount 225 Sensor...

Страница 6: ...Contents Reference Manual August 2018 00809 0100 3225 6 Reference Manual ...

Страница 7: ...acking and inspection Complete the following steps when you unpack your instrument Procedure 1 Inspect the shipping container If there is damage contact the shipper immediately for instructions 2 If there is no apparent damage unpack the container and remove the sensor 3 Ensure that all items shown on the packing list are present If items are missing If items are missing contact your local Custome...

Страница 8: ...P Class VI requirements Cable Length 20 ft 6 1 m Maximum Cable Length 200 ft 61 m Weight Shipping Weight 2 lb 3 lb 1 0 kg 1 5 kg Table 1 2 Options Body Material Option Wetted Materials Maximum Temperature Maximum Pressure 03 Glass filled PEEK 230 F 110 C 200 psig 1480 kpa abs 07 Unfilled PEEK meets 21CFR177 2415 and 3A standard 74 06 266 F 130 C 08 Unfilled PEEK meets USP VI standards 09 Unfilled ...

Страница 9: ...6 Integral cable with additional shielding for improved EMI RFI protection 3 Typical model number 225 03 56 1 Only available with 56 option 2 Only available with 56 option 3 Recommended for use with Rosemount transmitter models 56 1056 5081 and 1066 Reference Manual Description and specifications 00809 0100 3225 August 2018 Rosemount 225 Sensors 9 ...

Страница 10: ...Description and specifications Reference Manual August 2018 00809 0100 3225 10 Reference Manual ...

Страница 11: ...is too small calibrate the sensor in place Ensure that the sensor is completely submerged in liquid Figure 2 1 Rosemount 225 dimensional drawing Procedure 1 Mount the sensor in the pipe 2 Mount the sensor in a vertical pipe run with flow from top to bottom If the sensor must be mounted in a horizontal pipe run orient the sensor in the 3 o clock or 9 o clock position 3 Ensure that the sensor is com...

Страница 12: ...nd high current demanding equipment Do not cut the cable NOTICE For additional wiring information on this product please refer to the Liquid Transmitter Wiring Diagrams Figure 2 2 Wire functions Install Reference Manual August 2018 00809 0100 3225 12 Reference Manual ...

Страница 13: ...Figure 2 3 Wiring diagram for Rosemount 1056 and 56 Transmitters Reference Manual Install 00809 0100 3225 August 2018 Rosemount 225 Sensors 13 ...

Страница 14: ...Figure 2 4 Wiring diagram for Rosemount 1066 Transmitters Install Reference Manual August 2018 00809 0100 3225 14 Reference Manual ...

Страница 15: ...Reference Manual Install 00809 0100 3225 August 2018 Rosemount 225 Sensors 15 ...

Страница 16: ...Figure 2 5 Wiring diagram for Rosemount 5081 Transmitters Install Reference Manual August 2018 00809 0100 3225 16 Reference Manual ...

Страница 17: ...er to the appropriate transmitter wiring diagram For interconnecting cable 23294 00 use the 225 54 wiring diagram For interconnecting cable 23294 04 and 23294 05 use the 225 54 wiring diagram Figure 2 7 Remote Junction Box PN 23550 00 dimensions Reference Manual Install 00809 0100 3225 August 2018 Rosemount 225 Sensors 17 ...

Страница 18: ...Install Reference Manual August 2018 00809 0100 3225 18 Reference Manual ...

Страница 19: ...ally calculates the cell constant once the known conductivity is entered For more detailed information on calibration methods please reference application data sheet ADS 43 025 available on the Emerson Liquid Analysis website Figure 3 1 Measured Conductivity as a Function of Clearance between Sensor and Walls 3 2 Calibrating against a Standard Solution Calibration against a standard solution requi...

Страница 20: ...process and calibration vessels See Figure 3 2 Figure 3 2 Calibration installation orientation 3 Rinse the sensor with water 4 Immerse the rinsed sensor in the standard solution Use a good quality calibrated thermometer to measure the temperature of the standard solution The thermometer error should be less than 1 C Allow adequate time for the solution and sensor to reach thermal equilibrium If th...

Страница 21: ...erature compensation in the transmitter This eliminates error in the cell constant Procedure 1 Connect the process and referee sensors in a series Keep tubing runs between the sensors short and adjust the sample flow to as high a rate as possible Short tubing runs and high flow ensure that the temperature of the liquid does not change as it flows from one sensor to another 2 Allow the process liqu...

Страница 22: ... the sample from a point as close to the process sensor as possible Be sure the sample is representative of what the sensor is measuring If possible adjust the conductivity of the process liquid so that it is near the midpoint of the operating range If that is not possible adjust the conductivity so that it is at least 5000 µS cm 2 Connect the process and referee sensors Keep temperature compensat...

Страница 23: ...ntil the readings are stable before starting the calibration 4 Adjust the reading from the process analyzer to match the conductivity measured by the referee sensor Reference Manual Calibration 00809 0100 3225 August 2018 Rosemount 225 Sensors 23 ...

Страница 24: ...Calibration Reference Manual August 2018 00809 0100 3225 24 Reference Manual ...

Страница 25: ...ensor is fully submerged in the process stream See Installing the sensor Sensor cable is run near high voltage process stream Move cable away from high voltage conductors Sensor cable is moving Keep sensor cable stationary Reading seems wrong lower or higher than expected Bubbles are trapped in the sensor particularly in the toroid opening Install the sensor in a vertical pipe run with the flow ag...

Страница 26: ...ature compensation Sluggish response Sensor is in a dead area in the piping Move sensor to a location more representative of the process liquid Slow temperature response to sudden changes in temperature Use an RTD in a metal thermowell for temperature compensation Table 4 2 Resistance vs Temperature for Temperature Compensation PT 100 RTD Temperature Resistance 10 C 50 F 103 9 Ω 20 C 68 F 107 8 Ω ...

Страница 27: ...Figure 4 1 Resistance check Disconnect leads from transmitter before measuring resistances Reference Manual Troubleshooting 00809 0100 3225 August 2018 Rosemount 225 Sensors 27 ...

Страница 28: ...Troubleshooting Reference Manual August 2018 00809 0100 3225 28 Reference Manual ...

Страница 29: ... cable unshielded prepped for use with remote junction box 23294 05 Interconnecting extension cable shielded prepped for use with remote junction box 9200276 Interconnecting extension cable shielded unprepped for use with remote junction box Reference Manual Accessories 00809 0100 3225 August 2018 Rosemount 225 Sensors 29 ...

Страница 30: ...Accessories Reference Manual August 2018 00809 0100 3225 30 Reference Manual ...

Страница 31: ...iries please contact Rosemount Customer Care to obtain a Return Material Authorization RMA number Drain the sensor of fluids before shipping it back to Rosemount Reference Manual Return of Materials 00809 0100 3225 August 2018 Rosemount 225 Sensors 31 ...

Страница 32: ...ore T 65 777 8211 F 65 777 0947 liquid csc emerson com Linkedin com company Emerson Automation Solutions twitter com rosemount_news Facebook com Rosemount youtube com RosemountMeasurement google com RosemountMeasurement AnalyticExpert com 2017 Rosemount All rights reserved The Emerson logo is a trademark and service mark of Emerson Electric Co Rosemount is a mark of one of the Emerson family of co...

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