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Rosemount

™

398R/398RVP

pH/ORP Sensors

Reference Manual

00809-0100-3098

Rev. AB

February 2019

Содержание Rosemount 398R

Страница 1: ...Rosemount 398R 398RVP pH ORP Sensors Reference Manual 00809 0100 3098 Rev AB February 2019 ...

Страница 2: ...hasgkas ...

Страница 3: ...dures can affect the product s performance place the safe operation of your process at risk and VOID YOUR WARRANTY Third party substitutions may result in fire electrical hazards or improper operation Ensure that all equipment doors are closed and protective covers are in place except when maintenance is being performed by qualified persons to prevent electrical shock and personal injury The infor...

Страница 4: ...h to avoid the danger due to a build up of an electrostatic charge 2 All pH ORP sensor models are intended to be in contact with the process fluid and may not meet the 500V r m s a c test to earth This must be taken into consideration at installation Special Conditions for Safe Use CAUTION ...

Страница 5: ...3 Two Point Buffer Calibration 28 5 4 pH Standardization 28 5 5 ORP Standardization 29 Section 6 Maintenance 6 1 Maintenance 31 6 2 Sensor Removal 31 6 3 Cleaning Procedures pH Sensors 32 6 4 Cleaning Procedures ORP Sensors 34 6 5 Checking the Reference Electrode 34 6 6 Rejuvenating Reference Electrodes 35 6 7 Temperature Element 35 6 8 Sensor Tube Replacement When Used With A Sensor Head Junction...

Страница 6: ...Table of Contents Reference Manual February 2019 00809 0100 3098 ii Table of Contents ...

Страница 7: ... chlorine dioxide and in process streams containing a variety of organic solvents These sensors are designed for use with a 1 1 4 inch or 1 1 2 inch ball valve Description and Specifications 1 Reference Manual Description and Specifications 00809 0100 3098 February 2019 Figure 1 1 Cross Section Diagram of the TUpH Reference Technology All TUpH sensors are designed with a large area reference junct...

Страница 8: ...F 100 C Flat bulb 100 psig 790 kPa abs at 212 F 100 C Wetted Materials Titanium Tefzel glass platinum ORP only and choice of Viton or Kalrez Reference Permeable Tefzel with secondary helical pathway Weight Shipping Weight Sensor Code 21 2 0 lb 3 0 lb 9kg 1 40kg Code 25 3 0 lb 4 0 lb 1 40 kg 1 80kg Process Connections With ball valve 1 1 2 in Without ball valve 1 in Cable Length Rosemount 398R Stan...

Страница 9: ...roups A B C and D Temperature Class T6 Ta 20 C to 60 C Suitable for use in Class II and III Division 2 Groups E F and G Temperature Class T6 Ta 20 C to 60 C Hazardous Classified Locations IS I II III 1 ABCDEFG T6 Ta 60 C 1400332 Entity I 0 AEx ia IIC T6 Ta 60 C 1400332 Entity NI I 2 ABCD T6 Ta 60 C S II III 2 EFG T6 Ta 60 C Per standards 3600 1998 3610 2010 3611 2004 3810 2005 CSA See online CSA C...

Страница 10: ...HT Glass 12 ORP 13 pH GPHT Flat Glass Sensor Length 21 21 Inch Titanium Tube 25 36 Inch Titanium Tube O ring Material 30 EPDM 31 Viton 32 Kalrez Transmitter TC Compatibility 54 Pt 100 Cable Options _ No Selection 60 9 5 Inch Cable with BNC 1 61 9 5 Inch Cable without BNC 1 62 15 ft 4 6 m Cable without BNC 2 Typical Model Number 398R 10 21 30 54 62 1 For use with sensor head junction boxes 2 For us...

Страница 11: ...itanium Tube 25 36 Inch Titanium Tube O ring Material 30 EPDM 31 Viton 32 Kalrez Transmitter TC Compatibility 50 3K TC 1 54 Pt 100 55 Pt 100 for SMART Preamplifier 2 Preamplifier Options _ No Selection 70 SMART Preamplifier 3 Typical Model Number 398RVP 10 25 31 55 70 1 For use with legacy transmitter model 1181 If selected with ORP the sensor comes without a 3K TC 2 For use with Rosemount 1056 10...

Страница 12: ...Description and Specifications Reference Manual February 2019 00809 0100 3098 6 Description and Specifications ...

Страница 13: ...ne Optional Process Connector O rings PN 9550220 O ring Kalrez 2 214 PN 9550099 O ring Viton 2 214 C Choose one PN 23240 00 1 1 2 in ball valve assembly 316 SST process connector required PN 23765 00 1 1 4 in ball valve assembly 316 SST with graphite packed adapter Junction Boxes Optional Choose either Sensor Head or Remote A Sensor Head Junction Boxes used with 9 5 in cable length sensor Choose o...

Страница 14: ...mounted within 10 90 degrees of the horizontal with the tip pointed downward This ensures that the inside surface of the pH sensitive glass bulb is completely wetted and that there is a good electrical connection between the bulb and the internal silver silver chloride reference electrode If the retraction version is to be installed without a ball valve follow the installation procedure for insert...

Страница 15: ...nsor in position tighten the hex nut of the male connector to firmly secure the sensor in place When the hex nut is tightened the Teflon ferrule inside the compression fitting clamps the sensor tube The sensor must be captured by the valve assembly and the male connector so that it cannot be blown free by process pressure if mishandled during insertion or retraction CAUTION Over tightening the hex...

Страница 16: ...h a process connector PN 23166 00 or 23166 01 The sensor should be installed within 80 of vertical with the electrode facing down Figure 2 2 Exploded View of Ball Valve Kit PN 23765 00 Figure 2 3 Typical Mounting Details Retraction Version Note Sensor must be mounted at an angle between 10 and 90 above the horizontal Pipe tees and weldalets provided by customer Only Rosemount 398R should be used w...

Страница 17: ...Maintenance 11 Reference Manual Installation 00809 0100 3098 February 2019 Figure 2 4 Dimensional Warning Label and Sensor Diagram Note For Rosemount 398RVP the overall dimensional length increases by 1 9 inches 48 mm ...

Страница 18: ...12 Installation Installation Reference Manual February 2019 00809 0100 3098 Figure 2 5 Dimensional Drawing for Ball Valve Kit PN 23765 00 shown with Rosemount 398RVP sensor ...

Страница 19: ...e Manual Installation 00809 0100 3098 February 2019 Figure 2 6 Dimensional Drawing for Ball Valve Kit PN 23240 00 shown with Rosemount 398R Note For Rosemount 398RVP the overall dimensional length increases by 1 9 inches 48 mm ...

Страница 20: ...d Junction Box with and without 1 1 2 in Ball Valve PN 23240 00 Note For the installations shown the 1 in x 1 in process connector PN 23166 00 or 23166 01 sensor head junction boxes various part numbers see page 3 and ball valve kit PN 23240 00 must be purchased separately Note Sensor head junction boxes should be used with Rosemount 398R sensor ...

Страница 21: ...0809 0100 3098 February 2019 3 1 Wiring for Rosemount 398R 398RVP For wiring diagrams not shown below please refer to the Liquid Wiring Diagrams Section 3 Wiring the Rosemount 398R 398RVP Sensor Figure 3 1 Wire Configurations Figure 3 2 Wiring for Rosemount 398R 54 62 to 3081 4081 and 5081 Transmitters ...

Страница 22: ...ual February 2019 00809 0100 3098 Figure 3 3 Wiring for 398R 54 62 Through Remote Junction Box PN 23555 00 Note Sensor Model 398R 54 or 398R 54 60 can also be wired as shown above but customer must prepare the BNC as shown in Figure 3 4 For preparing wires on end of extension cable use Figure 3 5 ...

Страница 23: ...Wiring the Rosemount 398R 398RVP Sensor 17 Figure 3 4 BNC Preparation Instructions Reference Manual Wiring the Rosemount 398R 398RVP Sensor 00809 0100 3098 February 2019 ...

Страница 24: ...Figure 3 5 Extension Cable Preparation Wiring the Rosemount 398R 398RVP Sensor Reference Manual February 2019 00809 0100 3098 18 Wiring the Rosemount 398R 398RVP Sensor ...

Страница 25: ...ing to Rosemount 1056 56 Transmitters Figure 3 7 Rosemount 398R 54 61 Wiring to Rosemount 1057 Transmitter Reference Manual Wiring the Rosemount 398R 398RVP Sensor 00809 0100 3098 February 2019 Wiring the Rosemount 398R 398RVP Sensor 19 ...

Страница 26: ...4 61 Wiring to Rosemount 1066 Transmitter Figure 3 9 Rosemount 398R 54 61 Wiring to Rosemount 5081 Wiring the Rosemount 398R 398RVP Sensor Reference Manual February 2019 00809 0100 3098 20 Wiring the Rosemount 398R 398RVP Sensor ...

Страница 27: ...igure 3 10 Rosemount 398R xx xx 54 62 Wiring to Rosemount 1056 56 1057 Transmitters Reference Manual Wiring the Rosemount 398R 398RVP Sensor 00809 0100 3098 February 2019 Figure 3 11 Rosemount 398R xx xx 54 62 Wiring to Rosemount 1066 Transmitter ...

Страница 28: ...or Reference Manual February 2019 00809 0100 3098 22 Wiring the Rosemount 398R 398RVP Sensor Figure 3 12 Rosemount 398R xx xx 54 62 Wiring to Rosemount 5081 Transmitter Figure 3 13 Rosemount 398RVP Wiring to Rosemount 1056 56 Transmitters ...

Страница 29: ...semount 398R 398RVP Sensor 00809 0100 3098 February 2019 Wiring the Rosemount 398R 398RVP Sensor 23 Figure 3 14 Rosemount 398RVP Wiring to Rosemount 1057 Transmitter Figure 3 15 Rosemount 398RVP Wiring to Rosemount 1066 Transmitter ...

Страница 30: ...sor Reference Manual February 2019 00809 0100 3098 24 Wiring the Rosemount 398R 398RVP Sensor Figure 3 16 Rosemount 398RVP Wiring to Rosemount 5081 Transmitter Figure 3 17 Rosemount 398RVP 70 Wiring to Rosemount 1056 56 1057 Transmitters ...

Страница 31: ...ount 398R 398RVP Sensor 00809 0100 3098 February 2019 Wiring the Rosemount 398R 398RVP Sensor 25 Figure 3 18 Rosemount 398RVP 70 Wiring to Rosemount 1066 Transmitter Figure 3 19 Rosemount 398RVP 70 Wiring to Rosemount 5081 Transmitter ...

Страница 32: ...Wiring the Rosemount 398R 398RVP Sensor Reference Manual February 2019 00809 0100 3098 26 Wiring the Rosemount 398R 398RVP Sensor ...

Страница 33: ...ration Evaporation changes the concentration of the buffer and its pH Be sure the pH of the buffer is defined at high temperatures The pH of many buffers is undefined above 60 C Finally no matter what the temperature is allow the entire measurement cell sensor and solution to reach constant temperature before calibrating 6 The pH of a buffer changes with temperature The pH of a buffer is a functio...

Страница 34: ... mV pH at 25 C Slope decreases as the sensor ages Once the slope drops to between 47 and 49 mV pH the sensor should be replaced 7 Remove the sensor from buffer 2 and return it to the process liquid 5 4 pH Standardization Standardization means making the process instrument match the reading from a second pH meter The second pH reading is usually made on a grab sample 1 Take the sample from a point ...

Страница 35: ...5 C 1 Rinse the sensor with deionized water and place it in the ORP standard along with a reliable thermometer Submerge the sensor tip at least three inches below the surface of the liquid Swirl the sensor to dislodge trapped bubbles Adjust the temperature of the standard to 25 5 C 2 Wait until temperature and ORP readings are stable 3 Following the instructions in the instrument analyzer store OR...

Страница 36: ...30 Calibration Calibration Reference Manual February 2019 00809 0100 3098 ...

Страница 37: ...fer to the troubleshooting guide in this manual for assistance 6 2 Sensor Removal Please refer to the appropriate paragraph for instructions regarding removal of the sensor for periodic maintenance 6 2 1 Retractable Version A Rosemount 398R 21 and 398RVP 21 21 tube 1 Be certain system pressure at the sensor is below 64 psig before proceeding with the retraction It is also recommended that the pers...

Страница 38: ...eference Manual February 2019 00809 0100 3098 Do not remove nut at this time CAUTION Failure to withdraw the sensor completely may result in damage to the sensor when the valve is closed CAUTION WARNING Before removing the sensor from the ball valve be absolutely certain that the ball valve is fully closed Leakage from the male connector threads may indicate that the male connector is still under ...

Страница 39: ...l When using acid or alkaline solvents be careful to keep the solvent away from the liquid junction See Figure 6 2 If the cleaning solvent contacts the junction hydrogen ions acid solvent or hydroxide ions alkaline solvent will diffuse into the junction Because hydrogen and hydroxide ions have much greater mobility than other ions they produce a large junction potential When the electrode goes bac...

Страница 40: ...ctrode with a silver silver chloride electrode that is known to be good The reference electrode from a new sensor is the best choice To check the suspect electrode place both sensors in a beaker containing buffer or a solution of potassium chloride Connect the reference leads to a volt meter and measure the potential difference If the suspect electrode is good the difference should be no more than...

Страница 41: ...H sensors produce a voltage which the instrument converts to pH using a temperature dependent factor A Pt 100 or a Balco 3K RTD built into the sensor measures temperature To permit cor rection for changes in lead resistance with temperature a three wire configuration Figure 6 4 is used To check the RTD disconnect the leads and measure the resistances shown The measured resistance should agree with...

Страница 42: ...nd set aside for reuse Check that the internal O ring is in place in the male connector body E attached to the junction box 3 Remove hex nut B from male connector body A at process end of sensor and set aside Slide the Teflon ferrule and the male connector off sensor in the direction of junction box and set Note If stainless steel ferrule was used male connector body A will have to be dis carded w...

Страница 43: ...process fitting Stop it against the closed ball valve Slide the process end male connector down the sensor tube to mate with the process fitting Tighten the male connector into the process fitting 16 Pull back hard on the sensor assembly as if trying to remove the sensor to be certain that the sensor cannot come free from the valve assembly and male connector The built in retraction stop collar at...

Страница 44: ...38 Maintenance Maintenance Reference Manual February 2019 00809 0100 3098 ...

Страница 45: ...bleshooting Table 7 1 below lists common problems causes and remedies typically encountered in process measurement For more specific troubleshooting information please refer to the appropriate transmitter manual Section 7 Troubleshooting Note For any repair or warranty inquiries please contact our Customer Care group ...

Страница 46: ...Troubleshooting Reference Manual February 2019 00809 0100 3098 40 Troubleshooting Table 7 1 Troubleshooting continued ...

Страница 47: ...Troubleshooting 41 Reference Manual Troubleshooting 00809 0100 3098 February 2019 Table 7 1 Troubleshooting continued ...

Страница 48: ...42 Heading title ...

Страница 49: ...r for remote junction box PN 23555 00 23550 00 Remote Junction box with extension board 9550099 O ring Viton for process connector 9550220 O ring Kalrez for process connector 9210012 Buffer solution 4 01 pH 16 oz 9210013 Buffer solution 6 86 pH 16 oz 9210014 Buffer solution 9 18 pH 16 oz Reference Manual Accessories 00809 0100 3098 February 2019 ...

Страница 50: ...44 Accessories Accessories Reference Manual February 2019 00809 0100 3098 ...

Страница 51: ...RVP 70 3200HP 3300HT 3300HT VP 3300HTVP 70 3400HT 3400HT VP 3400HTVP 70 3500P 01 3500P 01 12 3500P 02 3500VP 01 3500VP 01 12 3500VP 02 3800 3800VP 3900 01 3900 02 3900VP 01 3900VP 02 manufactured by Rosemount Inc 8200 Market Boulevard Chanhassen MN 55317 9685 USA to which this declaration relates is in conformity with the provisions of the European Union Directives including the latest amendments ...

Страница 52: ...5 20 C Ta 40 C Model 396P 01 10 13 54 polypropylene pH sensor with integral cable preamp T4 20 C Ta 80 C or T5 20 C Ta 40 C Model 396P 01 12 50 ORP sensor with integral cable preamp T4 20 C Ta 80 C Model 396P 01 12 54 ORP sensor with integral cable preamp T4 20 C Ta 80 C Model 396P 01 12 55 ORP sensor with integral cable preamp T4 20 C Ta 80 C Model 396P 01 55 pH sensor with integral cable Smart p...

Страница 53: ...ector Model 3900 01 pH ORP sensor with integral cable Smart preamplifier Model 3900 02 pH ORP sensor with integral cable Model 3900VP 01 pH sensor with Variopole connector Smart preamplifier Model 3900VP 02 pH ORP sensor with Variopole connector Special conditions for safe use 1 All pH ORP sensor models with a plastic enclosure or exposed plastic parts may provide an electrostatic ignition hazard ...

Страница 54: ...48 China RoHS Table China RoHS Table Reference Manual February 2019 00809 0100 3098 ...

Страница 55: ...UI PM ENT CO NNECTED TO THE ASSO CI ATED APPARATUS M UST NO T USE O R GENERATE M O RE THAN 250V RESI STANCE BETW EEN I NTRI NSI CALLY SAFE GRO UND AND EARTH GRO UND M UST BE LESS THAN O R EQ UAL TO 1 O HM ANY FM APPRO VED TRANSM I TTER FO R DI VI SI O N 1 W I TH I NTRI NSI CALLY SAFE O UTPUT PARAM ETERS THI S FM APPRO VED DEVI CE M UST BE I NSTALLED PER I TS I NSTALLATI O N DRAW I NG FM APPROVED E...

Страница 56: ...es All other marks are the property of their respective owners The contents of this publication are presented for information purposes only and while effort has been made 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 use or applicability All sales are governed by our terms and condit...

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