SMARTSENS PH 8150
Contents
1. Figure 6 2 Optimal slope at 25 77 F To compensate for the temperature dependency of the pH measurement the temperature of the medium can be measured and automatically compensated Figure 6 3 Temperature dependency of the slope 11 2013 4002543602 MA SMARTSENS PH 8150 RO2 en www krohne com 29 fa TECHNICAL DATA 6 2 Technical data INFORMA TION The following data is provided for general applications If you require data that Is more relevant to your specific application please contact us or your local sales office Additional information certificates special tools software and complete product documentation can be downloaded free of charge from the website Download Center Measuring system Measuring principle Potentiometric Measuring range 0 14 pH Design Shaft diameter 12 mm 0 47 Insertion length 120 mm 4 72 225 mm 8 86 Connector VarioPin 2 0 VP 2 0 Operating conditions Temperature range 0 130 32 266 Conductivity Min 150 uS cm Installation conditions Ingress protection IP 68 Process connection PG 13 5 Materials Sensor shaft Glass Inner buffer pH 7 0 Diaphragm 2 x open diaphragm EPDM FDA Sensor head Nickel plated brass body with VP 2 0 connector PEEK body with VP 2 0 connector in preparation 30 www krohne com 11 202. Figure 3 6 Installation reguirements D Measuring medium 2 Maximum deviation of 75 from vertical position 16 www krohne com 11 2013 4002543602 MA SMARTSENS PH 8150 OPERATION 4 1 Calibration 4 1 1 Calibration with Manual hold Start the function calibration in menu mode Guick Setup or Setup Activate the function manual hold to avoid an alarm Select yes Press Next to proceed c Temperature compensation Set the temperature compensation for calibration e Select between automatic or manual Ifyou have selected manual temperature compensation please enter the temperature of the pH buffer solution Default setting 25 77 F Press Next to proceed Start calibration procedure Dip the sensor into the first pH buffer solution and wait till the value is stable Press Next to proceed measurement of pH buffer solution 1 starts and the values pH and temperature appear After approx 10 seconds the following values appear pH value temperature value Indentified buffer value Press Next to confirm the identified pH buffer solution If neccessary change the value of the pH buffer solution manually If the sensor does not recognise the pH buffer solution the message buffer not recognised appears e Press Next to proceed gt The value 0 for the pH buffer solution appears
3. ER FD FY E NN FRY O NF 27 7 7 Overview Basic DD menu tree positions in menu tree 37 7 8 Basic DD menu tree details for 38 8 Appendix 41 e 41 2 pHtemperature dependent SE 42 4 www krohne com 11 2013 4002543602 MA SMARTSENS PH 8150 RO2 en SMARTSENS 8150 SAFETY INSTRUCTIONS 1 1 Intended use DANGER For devices used in hazardous areas additional safety notes apply please refer to the Ex documentation CAUTION N Responsibility for the use of the measuring devices with regard to suitability intended use and corrosion resistance of the used materials against the measured fluid lies solely with the operator INFORMA TION The manufacturer is not liable for any damage resulting from improper use or use for other than the intended purpose The intended use of the sensor SMARTSENS PH 8150 is the measurement of pH in liquids 1 2 Safety instructions from the manufacturer 1 2 1 Copyright and data protection The contents of this document have been created with great care Nevertheless we provide no guarantee that the contents are correct complete or up to date The contents and works in this document are subject to copyright Contributions from third parties are identified as such Reproduction processing dissemination and any type of use be
4. Ua dio Vi pne Fats 11 3 2 Storage and transport aia neas ae a eter a Ra RO eu ER AT ATE RENATO nA 11 30 Astala ion ego oc so O OR OE TIT 12 3 4 Pre installation nennen nennen nnne nnn nnn nnns 14 020 WWE CEE a SIM DUM HRN 13 22021 Connecting the Cable 10 the SENSOF siccsssasanicaensrnivanacsanenddanenedasivancediusnenindadnanedeiemiawdamads mavens 13 3 9 2 Connecting the sensor cable wicsusscnerscahiadiavssuddedsenndavicasdeanstheseudeauedeecaedadiaeniactensssaasdsocanenennedss 14 32 9 9 Connectng with junction box gt JB 200 Vues ua OR RNA NN MAS FREE RUE a a ERA EQ c eR GA GAR 14 30 Installing the pa TT ee ee vn RM VENDS EDEN 16 ao T General mistallauoh HS UC SEF FN eds rea dites deca Os xcd YN RR NE Ud 16 4 Operation 17 E MES Torr 17 4 1 1 Calibration with PACTware aay hc FLYS FAD EN OYN NUN MDO EUR RUNG USA YD I NR Sd FA DDN TYDD O SAD DU FD YNA FD FUD DS ER 17 4 1 2 Calibration with HART Handheld 475 FIELD 12 AL WOU VSS OO UNG RR m ECH NANNAU FN YNN 22 4 3 Status messages and diagnostic 23 5 Service 24 Oe GR FN RF NA HN NENN 24 FAN NF UES FU ERYR FFYN AFF
5. 22 www krohne com 11 2013 4002543602 MA SMARTSENS PH 8150 R02 en DESCRIPTION OF HART INTERFACE 7 1 General description The open HART protocol which can be used for free is integrated into the sensor for communication Devices which support the HART protocol are classified as either operating devices or field devices When it comes to operating devices Master both manual control units Secondary Master and PC supported workstations Primary Master are used in for example a control centre HART field devices include measuring sensors signal converters and actuators The field devices range from 2 wire to intrinsically safe versions for use in hazardous areas The HART data are superimposed over the analogue 4 20 mA signal via FSK modem This way all of the connected devices can communicate digitally with one another via the HART protocol while simultaneously transmitting the analogue signals When it comes to the field devices and secondary masters the FSK or HART modem is integrated If a PC is used an external modem must be connected to the serial interface USB interface There are however other connection variants which can be seen in the following connection figures 7 2 Software history INFORMA TION In the table below is a placeholder for possible multi digit alphanumeric combinations depending on the available version Release date SW version HW version HART HART identification codes an
6. 7 6 Field Device Tool Device Type Manager FDT DTM A Field Device Tool Container FDT Container is basically a PC program used to configure a field device via HART To adapt to different devices the FDT container uses a so called Device Type Manager DTM 7 6 1 Installation If the DTM for the sensor has not yet been installed on the FDT Container setup is reguired and is available for download from the website or on CD ROM See the supplied documentation for information on how to install and set up the DTM 7 7 Overview Basic DD menu tree positions in menu tree 31 0 4 5 Autoclaving counter 6 Input user password 3 Logbook 1 Calibration logbook 2 Error logbook 4 Setup 1 Process input 21 0 31 0 HART 4 5 Service 1 Service calibration 2 Service parameter 3 Passwords 4 Sensor lock 11 2013 4002543602 MA SMARTSENS PH 8150 RO2 en www krohne com 37 DESCRIPTION OF HART 7 8 Basic DD menu tree details for settings 1 Measuring value 1 pH value Display of the measured pH value on process control system HARTS handheld or display 2 Display of the measured temperature value in on process control system HART handheld display 3 Electrode voltage Display of the measured electrode voltage in mV on process control system HART handheld or display 4 Loop current Display of the measured loop current in mA on
7. EN SMARTSENS PH 8150 Digital pH sensor for the chemical industry Electronic Revision ER 3 3 x SW REV 1 KROHNE 11 2013 4002543602 MA SMARTSENS PH 8150 All rights reserved It is prohibited to reproduce this documentation any part thereof without the prior written authorisation of KROHNE Messtechnik GmbH Subject to change without notice Copyright 2013 by KROHNE Messtechnik GmbH Ludwig Krohne Str 5 47058 Duisburg Germany www krohne com 11 2013 4002543602 MA SMARTSENS PH 8150 R02 en CONTENTS 1 Safety instructions D VC E EAE Y FN NEU RAO A E FN CH D 1 2 Safety instructions from the 5 12 Copyright and data Dl FE NR tUe teu mE FFIN FE NF 5 Lc O RR Emm 6 1259 FP de a and Warranty o quU NN RW NHW NR FYRR FEN GNE 6 12 4 Infomation concerning the aeenskka d pad Drs dax dtd Yeti wd LA 6 1 2 9 Td and symbols Oddi Yn Yr GY hy 7 1 3 Safety instructions for the fj 2 Device description 8 NM OU FO OU una P 9 a RT OM 9 LM ENS SKI co NR e 2 SES ud 1 M 10 3 Installation 11 3 1 General notes on
8. Enter the value of the pH buffer solution manually Press Next to proceed with the calibration procedure e Clean the sensor with demineralised water 2 Figure 4 1 Calibration procedure 11 2013 4002543602 MA SMARTSENS PH 8150 R02 en www krohne com 17 OPERATION c Dip the sensor into the second pH buffer solution 3 and wait till the value ist stable Press Next to proceed Ihemeasurement of pH buffer solution 2 starts and the values pH and temperature appear After approx 10 seconds the following values appear pH value temperature value Indentified buffer value Press Next to confirm the identified pH buffer solution If neccessary change the value of the pH buffer solution manually If the sensor does not recognise the pH buffer solution the message buffer not recognised appears e Press Next to proceed Thevalue 0 for the pH buffer solution appears Enter the value of the pH buffer solution manually Press Next to proceed with the calibration procedure e Clean the sensor with demineralised water 2 gt After a successful calibration the following values appear Buffer solution 1 Buffer solution 2 Offset in mV Slope in mV pH e Press Next to proceed e Set the calibration date with DD MM YYYY and calibration time with HH MM SS Press Next to proceed gt message Save values appears Select yes to save the values Press Next to proceed Select no to
9. Insertion assemblies SENSOFIT RET RAM 5000 series Manual and pneumatic retractable assemblies SMARTSENS cable VP 2 0 various lengths SMARTMAC 200 W Wall mount display with calibration and configuration functions SD 200 W R Wall or rack mount indicator SMARTBRIDGE USB interface cable SJB 200 W Junction box Consumables Spare parts available pH buffer solutions for sensor calibration e Various cleaning solutions INFORMATION For further information contact your local sales office 8 www krohne com 11 2013 4002543602 MA SMARTSENS PH 8150 R02 en DEVICE DESCRIPTION 2 2 Device description 2 2 1 pH sensor Figure 2 2 Construction of the sensor D Nickel plated brass body with VP 2 0 connector or PEEK body with VP 2 0 connector in preparation 2 PG 13 5 thread 3 Washer 4 O ring 5 Glass shaft amp Diaphragm 7 Membrane glass 11 2013 4002543602 MA SMARTSENS PH 8150 R02 en www krohne com 9 DEVICE DESCRIPTION 2 3 Nameplate gt KROHNE Duisburg Germany ap P 1234567 D A gt Figure 2 3 Example for a nameplate on the sensor body D Manufacturer 2 Device name 3 Order code 4 Serial number 5 Approvals 6 Observe the operation and installation instruction v SMARTSENS XXXX Figure 2 4 Example for a nameplate on the glass shaft D Manufacturer 2 D
10. FARF PAN Y FARN FY WY EN FN FAN 24 OU METTE IET 24 9 2 sr OE 25 9 3 Returning the device to the 26 aL ini ornato E 26 5 3 2 Form for copying to accompany a returned 21 DIIS NNDR FYNY 21 11 2013 4002543602 SMARTSENS PH 8150 www krohne com E CONTENTS 6 Technical data 28 cines aine o NEU 28 OUI Weer oO DIU PY WRN TN RTH Laetus NN ds 28 e e E NN 30 5 9 DIINON UMP UN UE 22 7 Description of HART interface 23 Pot Oer descrip HON MERE ETT 29 A mcut 33 ko CONNECCION HU ce 34 7 3 1 Point to Point connection analogue digital 39 7 4 Inputs outputs and HART dynamic variables and device variables 36 7 5 Field Communicator 475 FC 27 DU OCD 36 PONE e 36 7 6 Field Device Tool Device Manager 37 mou icio
11. H ions mol l OH ions mol U END A A A 000002 0000002 owon BONO ooon OO EU OU 11 2013 4002543602 MA SMARTSENS 8150 2 en www krohne com 41 EI APPENDIX eG 8 2 temperature dependency The output from a pH sensor varies with the temperature in a predictable way The size of the variation depends on both the temperature and the pH being measured F pH pH pH pH pH pH pH pH pH pH pH 5 230 324 512 606 DOD 912 1048 11 24 1230 1936 18058 215 32 40 506 603 740 808 906 1009 11 12 1215 1318 25 m 200 500 600 700 800 900 11 00 12100 13 00 At pH 7 and 25 C 77 F the temperature error is zero If temperature or pH changes the temperature error is calculated using the following formula 0 03 pH difference pH or 0 03 pH difference K 42 www krohne com 11 2013 4002543602 MA SMARTSENS PH 8150 R02 en SMARTSENS 8150 9 11 2013 4002543602 MA SMARTSENS 8150 2 www krohne com 43 KROHNE 11 2013 4002543602 MA SMARTSENS 8150 R02 en Subject to change without notice KROHNE product overview Electromagnetic flowmeters Variable area flowmeters e Ultrasonic flowmeters e Massflowmeters e Vortex flowmeters e Flow controllers meters emperature meters e Pressure meters Analysis products e Produc
12. does details on page 24 unstable signal not provide good contact Submerge sensor in water and increase the temperature to to the process medium due to drying up or 50 60 122 140 F coatings Submerge sensor in 3 molar KCl solution at ambient temperature The decrease in temperature will cause the reference half cell to suck in KCl solution through the diaphragm and regenerate the diaphragms functionality High pH value Air bubble in the sensor Protect the sensor tip with a protection cap as descriped on page 12 tip no inner buffer Hold the sensor into a vertical position and help by rapid movements solution of the wrist to shake the liguid down Remove the protection cap and check if there is still an air bubble inside the sensor tip lf necessary repeat this procedure one more time 22 www krohne com 11 2013 4002543602 MA SMARTSENS PH 8150 RO2 en SMARTSENS PH 8150 OPERATION 4 3 Status messages and diagnostic information Measurements out of specification 501 pH value gt pH max Consider the measuring range limits otherwise pH value out of range select a suitable sensor for the process conditions of 502 pH value lt pH min the application pH value out of range 503 Temp value gt Temp max Temperature value out of range 504 Temp value lt Temp min Temperature value out of range Failure F01 Glass resistance max MOhm Replace the sensor F02 Glass resistance min MOhm Maintena
13. master with HART DD 7 Power supply for devices slaves with passive current output Load gt 250 O Ohm 11 2013 4002543602 MA SMARTSENS PH 8150 RO2 en www krohne com 35 DESCRIPTION OF HART 7 4 Inputs outputs and HART dynamic variables and device variables HART dynamic variable Electrode voltage Resistance Code device variable code Device variables HART device variable Pew O I ln linear The HART dynamic variable PV is always connected to the HART current output which 15 assigned to the pH value Resistance 7 5 Field Communicator 475 FC 475 The Field Communicator is a hand terminal from Emerson Process Management that is designed to configure HART and Foundation Fieldbus devices Device Descriptions DDs are used to integrate different devices into the Field Communicator 7 5 1 Installation The HART Device Description for the sensor must be installed on the Field Communicator Otherwise only the functions of a generic DD are available to the user and the entire device control is not possible A Field Communicator Easy Upgrade Programming Utility is required to install the DDs on the Field Communicator The Field Communicator must be equipped with a system card with Easy Upgrade Option For details consult the Field Communicator User s Manual 36 www krohne com 11 2013 4002543602 MA SMARTSENS PH 8150 R02 en DESCRIPTION OF HART
14. process control system HART handheld or display 5 Error Display of status messages and diagnostic information For further information refer to Status messages and diagnostic information on page 23 6 Device state Display of status information icon for sensor according to NAMUR NE 107 2 Quick setup 1 TAG Set the TAG number for the measuring loop 2 Manual hold Activate or deactivate the manual hold function Select between yes or no 31 0 Meas value at 4 mA Set measuring value at 4 mA Default setting pH 0 Meas value at 20 mA Set measuring value at 20 mA Default setting pH 14 Time constant Set time constant 1 60 seconds Default setting 1 second 4 Calibration Start calibration procedure For more information refer to Calibration on page 17 5 Autoclaving counter Rise autoclaving counter yes no 6 Input user password Set password 3 Logbooks 1 Calibration logbook Logbook for the last 20 calibration cycles 2 Error logbook Display errors 38 www krohne com 11 2013 4002543602 MA SMARTSENS PH 8150 RO2 en DESCRIPTION OF HART 4 Setup 1 Process input Temperature Set temperature unit 9F Set temperature offset Display date of offset calibration Set temperature compensation automatic manual Default setting automatic Set temperature value 5 509C 41 122 F only if manual temperature compensation is activated Default setting 25 77 F Cal
15. 13 4002543602 MA SMARTSENS PH 8150 R02 en TECHNICAL DATA B i Communication pH range 0 14 pH Resolution pH range 0 02 pH Output signal 4 20 mA passive HART 7 FSK 1200 physical layer definition on top of the current loop Filter adjustable 1 60 seconds Electrical connections Power supply 15 30 VDC loop powered Minimum 0 O maximum R 024 15 VDC 22 mA 290 loop resistance for HART communication Multidrop operation 4 mA Approvals CE This device fulfils the statutory reguirements of the EC directives The manufacturer certifies successful testing of the product by applying the CE mark Electromagnetic compatibility Acc to EN 61326 NAMUR NE 21 Low voltage directive Shock resistance IEC 60068 2 31 Environmental testing Part 2 Test Ec Safety reguirements for electrical eguipment for measurement control and laboratory use in accordance with EN 61010 1 2001 IECEx Ex ia T6 IECEx 13 0022X ATEX 1G Ex ia T6 13 ATEX 2011X FM CSA FM CSA IS NI CL I Div 1 amp 2 GP A D in preparation NEPSI NEPSI Ex ia T6 in preparation INFORMA TION For further information contact your local sales office 11 2013 4002543602 MA SMARTSENS PH 8150 R02 en www krohne com 31 fa TECHNICAL DATA 6 3 Dimensions Figure 6 4 SMARTSENS PH 8150 with VP 2 0 120 225 4 72 8 86
16. A SMARTSENS PH 8150 R02 en www krohne com 25 Ei SERVICE 5 3 Returning the device to the manufacturer 5 3 1 General information This device has been carefully manufactured and tested If installed and operated in accordance with these operating instructions it will rarely present any problems CAUTION Should you nevertheless need to return a device for inspection or repair please pay strict attention to the following points e Due to statutory regulations on environmental protection and safeguarding the health and safety of our personnel manufacturer may only handle test and repair returned devices that have been in contact with products without risk to personnel and environment This means that the manufacturer can only service this device if it Is accompanied by the following certificate see next section confirming that the device is safe to handle CAUTION f the device has been operated with toxic caustic flammable or water endangering products you are Kindly reguested to check and ensure If necessary by rinsing or neutralising that all cavities are free from such dangerous substances e fo enclose a certificate with the device confirming that is safe to handle and stating the product used 26 www krohne com 11 2013 4002543602 MA SMARTSENS PH 8150 RO2 en SERVICE EI 5 3 2 Form for copying to accompany returned device Manufacturer s order no or serial no The device has been op
17. Press Ok to proceed Select no to deactivate the function manual hold Press Next to leave the calibration menu In a fully functional sensor the optimal slope is 59 mV for each pH unit and the optimal zero point is 0 mV at pH 7 The slope should at least have a value between 50 65 mV per pH unit Re calibrate the sensor if the slope does not approximate those limits The pH sensor ages the slope gets flatter and the zero error increases CAUTION Never touch or scratch the pH sensitive glass tip of the sensor Make sure that the sensor tip Is clean and dust free necessary clean the tip as described on page 24 CAUTION Moisture inside the sensor connector must be avoided Moisture may cause a shortcut and deliver erratic readings f moisture has entered the connector dry it with air e g hair blower 11 2013 4002543602 MA SMARTSENS PH 8150 R02 en www krohne com 21 OPERATION 4 2 Troubleshooting The pH sensor Mechanical damage ofthe Exchange sensor does notdelivera glass e g small cracks signal This will shortcut the ion exchange and deliver a pH 7 reading Open circuit Check the cable wiring of the sensor cable on the junction box Otherwise connect the sensor to the primary master e g PACTware M FTD DTM or to the HART handheld to exclude a sensor damage The pH sensor The diaphragm in the Clean the diaphragm with hot soap or acid using a soft tissue delivers an reference half cell
18. an the sensor with demineralised water 2 2 After a successful calibration the following values appear Buffer solution 1 Buffer solution 2 Offset in mV Slope in mV pH e Press Ok to proceed e Setthe calibration date with MM DD YYYY Press the key to enter the submenu Now you can change the calibration date Press Enter and Ok to proceed 2 The message save the values appears e Select yes to save the values Press Enter to proceed 20 www krohne com 11 2013 4002543602 MA SMARTSENS PH 8150 R02 en O ERATION gt gt e Select no to deactivate the function manual hold e Press Enter to leave the calibration menu A pH calibration is necessary in regular intervals or when installing a new pH sensor If the calibration was not successful the message Warning appears behind the values Offset and or Slope Press Okto proceed e Set the calibration date with MM DD YYYY Press the key gt to enter the submenu Now you change the calibration date Press Enter and Ok to proceed lt The messages Warning Offset out of range and or Warning Slope out of range and Save values appear Select between yes or no Press Enter to proceed Select No to deactivate the function manual hold Press Enter to leave the calibration menu If the message ATTENTION Slope out of range appears no data can be saved Press Ok to proceed The message No saving possible appears
19. d 14 www krohne com 11 2013 4002543602 MA SMARTSENS PH 8150 RO2 en INSTALLATION HART 1 HART 2 HART 1 HART 2 Sensor Display Sensor Display Figure 3 4 SJB 200 W and SD 200 W R left side SJB 200 W for HART communication and with resistance R right side SJB 200 W and SD 200 W R SJB 200 W for HART communication and with resistance R CWAC O O 000000000002 D 6020 19 PLC process control system Display SD 200 WIR pop 1 PLC process control system HART 1 HART 2 HART 1 HART 2 ece Sensor Display Sensor Display PLC Figure 3 5 SJB 200 W for HART communication without resistance R left side SJB 200 W right side SJB 200 W for HART communication and without SJB 200 W resistance R Sensor Sensor PLC process control system PLC process control system PLC process control system PLC process control system 11 2013 4002543602 MA SMARTSENS PH 8150 R02 en www krohne com 19 INSTALLATION 3 6 Installing the sensor 3 6 1 General installation instructions The membrane glass must always have full contact with the measuring medium The mounting position of the sensor should not deviate more than 75 from vertical position sensor tip pointing downwards Doing otherwise might cause internal air bubbles to float into the membrane glass This would interrupt the electrical contact between the inner buffer solution and the glass surface
20. d revision numbers HART Universal Revision LN 1 1 7 1 FDT version 212 11 2013 4002543602 MA SMARTSENS PH 8150 www krohne com 33 DESCRIPTION OF HART 7 3 Connection variants The sensor 15 a 2 wire device with a passive 4 20 mA current output and HART interface e Multidrop mode is supported In a multidrop communication system more than 2 devices are connected to a common transmission cable e Burst mode is not supported In the burst mode a slave device transfers cyclic pre defined response telegrams to get a higher rate of data transfer INFORMA For detailed information about the electrical connection of the sensor for HART refer to Connecting with junction box SJB 200 W on page 14 There are two ways of using the HART communication as Point to Point connection and as Multidrop connection with 2 wire connection 34 www krohne com 11 2013 4002543602 MA SMARTSENS PH 8150 RO2 en DESCRIPTION OF HART 7 3 1 Point to Point connection analogue digital mode Point to Point connection between the sensor and the HART Master The current output of the device 15 passive Figure 7 1 Point to Point connection D Primary master with e g FDT DTM 2 FSK modem 3 HART signal 4 SD 200 W R or SMARTMAC 200 W optional b Sensor 6 Secondary
21. deactivate the function manual hold Press Next to leave the calibration menu A pH calibration is necessary in regular intervals or when installing a new pH sensor If the calibration was not successful the message Warning Offset out of range appears behind the value Offset and or the message Warning Slope out of range behind the value Slope In case the value of the slope is not plausible addionally the message No saving possible appears c Press Next to proceed messages Warning Offset out of range Warning Slope out of range appear e Press Next to proceed e Set the calibration date with DD MM YYYY and calibration time with HH MM SS e Press Next to proceed gt message Save values appears Select between yes or no Press Next to proceed Select no to deactivate the function manual hold Press Next to leave the calibration menu If the message Warning Slope out of range appears together with the message No saving possible no data can be saved 18 www krohne com 11 2013 4002543602 MA SMARTSENS PH 8150 RO2 en SMARTSENS 8150 OPERATION gt Press Next to proceed Select no to deactivate the function manual hold Press Next to leave the calibration menu In a fully functional sensor the optimal slope is 59 mV for each pH unit and the optimal zero point is 0 mV at pH 7 The slope should at least have a value between 50 65 mV per pH unit Re calibrat
22. dling of the device LEGAL NOTICE This note contains information on statutory directives and standards HANDLING This symbol designates all instructions for actions to be carried out by the operator in the specified sequence gt RESULT This symbol refers to all important consequences of the previous actions diame gt gt bb l gt I gt 1 3 Safety instructions for the operator WARNING N In general devices from the manufacturer may only be installed commissioned operated and maintained by properly trained and authorized personnel This document is provided to help you establish operating conditions which will permit safe and efficient use of this device 11 2013 4002543602 MA SMARTSENS PH 8150 R02 en www krohne com 7 DEVICE DESCRIPTION 2 1 Scope of delivery INFORMATION Inspect the cartons carefully for damages or signs of rough handling Report damage to the carrier and to the local office of the manufacturer INFORMA TION Do a check of the packing list to make sure that you have all the elements given in the order INFORMA TION Look at the device nameplate to ensure that the device is delivered according to your order n Figure 2 1 Standard scope of delivery D Ordered sensor 2 Documentation Optional accessories SENSOFIT FLOW 1000 series Flow through assemblies SENSOFIT 1000 2000 series Immersion assemblies SENSOFIT INS 1000 7000 series
23. e the sensor if the slope does not approximate those limits The pH sensor ages the slope gets flatter and the zero error increases CAUTION Never touch or scratch the pH sensitive glass tip of the sensor Make sure that the sensor tip Is clean and dust free necessary clean the tip as described on page 24 CAUTION Moisture inside the sensor connector must be avoided Moisture may cause a shortcut and deliver erratic readings f moisture has entered the connector dry it with air e g hair blower 4 1 2 Calibration with HART Handheld 475 FIELD COMMUNICATOR gt gt Manual hold e Start the function calibration in menu mode Quick Setup or Setup e Activate the function manual hold to avoid an alarm Select Yes e Press Enter to proceed Temperature compensation e Set the temperature compensation for calibration e Select between automatic or manual Ifyou have selected manual temperature compensation please enter the temperature of the pH buffer solution Default setting 25 C 77 F e Press Enter to proceed Start calibration procedure Dip the sensor into the first pH buffer solution and wait till the value is stable e Press Ok to proceed measurement of pH buffer solution 1 starts and the values pH and temperature appear After approx 10 seconds the following values appear pH value temperature value Status buffer detection Finished Value indentified buffer Pre
24. erated with the following medium toxic caustic flammable We checked that all cavities in the device are free from such substances We have flushed out and neutralized all cavities in the device We hereby confirm that there is no risk to persons or the environment through any residual media contained in the device when it 15 returned 9 4 Disposal CAUTION N Disposal must be carried out in accordance with legislation applicable in your country 11 2013 4002543602 MA SMARTSENS PH 8150 RO2 en www krohne com 27 fa TECHNICAL DATA 6 1 Measuring principle 6 1 1 pH measurement O 4 a qu Figure 6 1 Measuring principle for pH measurement D Reference electrode 2 Measuring electrode 3 Diaphragm in contact with KCl solution and measuring medium 4 Inner pH 7 buffer solution 5 Surface potential on the inside contact with buffer solution 6 pH sensitive glass membrane glass 2 Surface potential on the outside contact with measuring medium Measuring medium The measuring principle of a pH sensor is based on a pH sensitive glass membrane glass When the pH sensitive glass gets into contact with a liguid a thin layer of hydrated gel develops on the surface enabling an ion exchange between the glass surface and the liguid The so called Nernst potential builds up on the glass surface lf both sides of the glass are in contact with liquids a voltage may be detected b
25. etween the two surface potentials The voltage correlates to the difference in H ion concentration and thus to the difference of pH values in both liquids The pH sensor contains an internal buffer solution with a known pH value If the pH value of the measuring medium on the outside of the sensor is equal to the pH value of the inner buffer the resulting voltage is 0 V If the pH value of the medium differs from the internal pH value a voltage between the internal and the external layer can be measured From the resulting voltage the pH difference of the two liquids can be calculated The voltage is measured using a measuring electrode and a reference electrode both are built into the sensor The measuring electrode is in contact with the known buffer solution in the pH sensitive glass bulb The reference electrode is immersed into a saturated solution of potassium chloride KCl The KCl solution itself is in electrical contact with the measuring medium by means of a diaphragm The diaphragm prevents the measuring medium from penetrating into the reference system but still allows electrical contact with the measuring medium 28 www krohne com 11 2013 4002543602 MA SMARTSENS PH 8150 RO2 en TECHNICAL DATA B The voltage change of a pH sensor at 25 77 F is around 59 mV for each pH unit This is also called the slope of the pH sensor The slope 15 temperature dependent and decreases over life time of the sensor
26. evice name INFORMA TION Look at the device nameplate to ensure that the device 15 delivered according to your order The sensor type is specified on the label of the sensor package and on the sensor itself 10 www krohne com 11 2013 4002543602 MA SMARTSENS PH 8150 SMARTSENS 8150 INSTALLATION 3 1 General notes on installation gt gt pm DANGER For devices used in hazardous areas additional safety notes apply please refer to the Ex documentation DANGER All work on the electrical connections may only be carried out with the power disconnected DANGER Observe the national regulations for electrical installations WARNING During installation of the device make sure that you use ESD electronic discharge protection equippment WARNING Observe without fail the local occupational health and safety regulations Any work done on the electrical components of the measuring device may only be carried out by properly trained specialists INFORMA TION Inspect the cartons carefully for damages or signs of rough handling Report damage to the carrier and to the local office of the manufacturer INFORMA TION Do a check of the packing list to make sure that you have all the elements given in the order INFORMA TION Look at the device nameplate to ensure that the device is delivered according to your order 3 2 Storage and transpor
27. hortcut and deliver erratic readings f moisture has entered the connector dry it with air e g hair blower Figure 3 2 Connecting the cable to the sensor Connecting the cable to the sensor Ensure that both cable and sensor connector are absolutely dry 1 e Screw the cable connector 2 on the sensor and tighten it by hand 11 2013 4002543602 MA SMARTSENS PH 8150 R02 en www krohne com 13 INSTALLATION 3 5 2 Connecting the sensor cable DANGER All work on the electrical connections may only be carried out with the power disconnected INFORMATION Look at the device nameplate to ensure that the device is delivered according to your order SMARTSENS cable VP 2 0 Black inner coax shield Ub 3 9 3 Connecting with junction box SJB 200 W HART 1 HART 2 HART 1 HART 2 TT Figure 3 3 SJB 200 W with SMARTMAC 200 W and with resistance R left side SJB 200 W with SMARTMAC 200 W and without resistance R right side S JB 200 W with SMARTMAC 200 W and with SJB 200 W with SMARTMAC 200 W and resistance R without resistance R D Display SMARTMAC 200 W Display SMARTMAC 200 Display SMARTMAC 200 PLC process control system PLC process control system PLC process control system PLC process control system D Display SMARTMAC 200W CAUTION N Don t include the resistance R into the loop if a HAR 7 isolation amplifier is use
28. ibration Start calibration procedure For more information refer to Calibration on page 17 Maintenance interval Set maintenance interval in days 000 999 days Default setting 000 Reset maintenance Yes No Default setting No interval 21 0 Meas value at 4 mA Set measuring value at 4 mA Default setting pH 0 Meas value at 20 mA Set measuring value at 20 mA Default setting pH 14 Time constant Set time constant 1 60 seconds Default setting 1 second 31 0 HART TAG Set TAG for measuring loop Set long TAG Display of previous long TAG Display messages 32 packed ASCII Polling address Display polling address Loop current mode Select between enable or disable to activate or deactivate the loop current mode Device variables PV Display PV pH with min and max limits SV Display SV electrode voltage in mV TV Display TV temperature in F with min and max limits Display QV resistance 11 2013 4002543602 MA SMARTSENS PH 8150 R02 en www krohne com 39 DESCRIPTION OF HART 4 Device Information Sensor information Order code Device name Serial number HART ID Polling address Manufacturer ID Date of manufacturing SW version HW version Calibration Slope Offset Inner buffer Buffer solution 1 Buffer solution 2 No of calibrations SIP counter CIP counter Autoclaving counter Operating parameters Commissioning date s Operating hours OP time gt 80 C 1769F OP
29. n procedure In this case the sensor has to be replaced Aging effects of sensor e Decrease of slope due to abrasion drying corrosion of glass tip coating and leaching The slope should be 50 mV pH An optimal value is 59 mV pH at 25 C 77 F When the slope rises above 50 mV pH an error message is displayed and the sensor has to be replaced The slope of the sensor is displayed after each calibration procedure Shift of zero point due to strong temperature changes leaching and contamination of reference half cell or increased resistance between glass tip and reference half cell The zero point should lie between 58 58 mV at pH 7 An optimal value is 0 mV at pH 7 The zero point of the sensor is displayed after each calibration procedure 24 www krohne com 11 2013 4002543602 MA SMARTSENS PH 8150 R02 en Eene SERVICE EI Figure 5 1 Aging effects of sensor D Horizontal shift of slope 2 Vertical shift of slope G Decrease of slope INFORMA TION he lifetime expectation depends heavily on the application The right choice of the sensor type Is very Important 5 2 Availability of services The manufacturer offers a range of services to support the customer after expiration of the warranty These include repair maintenance technical support and training INFORMA TION For more precise information please contact your local sales office 11 2013 4002543602 M
30. nce 01 Slope lt 65 mV pH Recalibrate the sensor For more information refer M02 Slope 50 mV pH to Calibration with PACTwareTM on page 17 M03 Zero point lt 99 mV Zero point gt 99 mV M05 Maintenance interval expired 11 2013 4002543602 MA SMARTSENS PH 8150 R02 en www krohne com 23 EI SERVICE 5 1 Maintenance 5 1 1 Cleaning INFORMA TION Recalibrate the sensor after each cleaning procedure c e Slight dirt residues or dust Rinse the sensor tip with demineralised water and clean it with a soft tissue e Oily and greasy coatings Remove with a warm soap solution and rinse with demineralised water Hardness deposits or metal hydroxide deposits Soak the sensor tip including diaphragm in 1090 citric acid or hypochloric acid for a couple of minutes and rinse the complete glass shaft of the sensor with demineralised water Biological fouling Soak the sensor tip including diaphragm in 10 pepsin solution for minimum 3 hours and afterwards rinse the complete glass shaft of sensor with demineralised water 5 1 2 Aging and re calibration During operation but already during storage pH sensors age due to poisoning effects of the inner buffer system Therefore it is important to re calibrate the sensor in regular intervals Consider status messages and diagnostic information When the sensor becomes too old to provide reliable measurements an error message see on page 17 appears after the calibratio
31. nties or the exclusion of limitation of certain damages you may If such law applies to you not be subject to some or all of the above disclaimer exclusions or limitations Any product purchased from the manufacturer is warranted in accordance with the relevant product documentation and our Terms and Conditions of Sale The manufacturer reserves the right to alter the content of its documents including this disclaimer in any way at any time for any reason without prior notification and will not be liable in any way for possible consequences of such changes 1 2 3 Product liability and warranty The operator shall bear responsibility for the suitability of the device for the specific purpose The manufacturer accepts no liability for the consequences of misuse by the operator Improper installation and operation of the devices systems will cause the warranty to be void The respective Standard Terms and Conditions which form the basis for the sales contract shall also apply 1 2 4 Information concerning the documentation To prevent any injury to the user or damage to the device it is essential that you read the information in this document and observe applicable national standards safety requirements and accident prevention regulations If this document is not in your native language and if you have any problems understanding the text we advise you to contact your local office for assistance The manufacturer can not accept respon
32. riginal packaging in a dry dust free location Keep it away from dirt If necessary clean it as described on page 24 Figure 3 1 Unpacking the sensor c Unpacking the sensor Remove by gently twisting and pulling the protective cap from the sensor Lay the sensor on a soft mat tissue 2 eave the protection cap of the VP connector on the connector as long as the sensor is not connected to the cable 12 www krohne com 11 2013 4002543602 MA SMARTSENS PH 8150 RO2 en SMARTSENS 8150 INSTALLATION 3 5 Electrical connection gt DANGER For devices used in hazardous areas additional safety notes apply please refer to the Ex documentation DANGER All work on the electrical connections may only be carried out with the power disconnected DANGER Observe the national regulations for electrical installations WARNING Observe without fail the local occupational health and safety regulations Any work done on the electrical components of the measuring device may only be carried out by properly trained specialists INFORMA TION Look at the device nameplate to ensure that the device Is delivered according to your order 3 5 1 Connecting the cable to the sensor gt gt WARNING During installation of the device make sure that you use ESD electronic discharge protection equippment CAUTION Moisture inside the sensor connector must be avoided Moisture may cause a s
33. sibility for any damage or injury caused by misunderstanding of the information in this document This document is provided to help you establish operating conditions which will permit safe and efficient use of this device Special considerations and precautions are also described in the document which appear in the form of underneath icons www krohne com 11 2013 4002543602 MA SMARTSENS PH 8150 R02 en SMARTSENS 8150 SAFETY INSTRUCTIONS 1 2 5 Warnings and symbols used Safety warnings are indicated by the following symbols DANGER his information refers to the immediate danger when working with electricity DANGER This warning refers to the immediate danger of burns caused by heat or hot surfaces DANGER This warning refers to the immediate danger when using this device in a hazardous atmosphere DANGER These warnings must be observed without fail Even partial disregard of this warning can lead to serious health problems and even death There 15 also the risk of seriously damaging the device or parts of the operator s plant WARNING Disregarding this safety warning even if only in part poses the risk of serious health problems There is also the risk of damaging the device or parts of the operator s plant CAUTION Disregarding these instructions can result in damage to the device or to parts of the operator s plant INFORMA TION These instructions contain important information for the han
34. ss Ok to confirm the identified pH buffer solution If neccessary change the value of the pH buffer solution manually Press Enter to proceed gt Ifthe sensor does not recognise the pH buffer solution the messages Identified buffer 0 pH and Buffer not recognised appear Press to proceed lt Enter the value of the pH buffer solution manually 11 2013 4002543602 MA SMARTSENS PH 8150 en www krohne com 19 SMARTSENS 8150 Press Enter to proceed with the calibration procedure Clean the sensor with demineralised water 2 Figure 4 2 Calibration procedure Dip the sensor into second pH buffer solution 3 and till the value is stable Press Ok to proceed gt The measurement of pH buffer solution 2 starts and the values pH and temperature appear After approx 10 seconds the following values appear pH value temperature value Status buffer detection Finished Value indentified buffer Press Ok to confirm the identified pH buffer solution If neccessary change the value of the pH buffer solution manually Press Enter to proceed 2 If the sensor does not recognise the pH buffer solution the messages Identified buffer 0 pH and Buffer not recognised appear Press to proceed 2 Enter the value of the pH buffer solution manually Press Enter to proceed with the calibration procedure e Cle
35. t CAUTION Do not store the sensor tip dry This will shorten lifetime considerably Always store the pH sensor tip wet in a 3 molar KCl solution when not in use Saltless water must be avoided since this would leak the KCl ions The original packing in which the sensor tip was delivered contains a plastic tube with KCl solution and therefore is suitable for storage and transport Since the pH sensor is made out of glass it is very fragile Avoid shocks of any kind Do touch or scratch the membrane glass e Store the sensor in its original packaging in a dry dust free location Keep it away from dirt If necessary clean it as described on page 24 11 2013 4002543602 MA SMARTSENS PH 8150 en www krohne com 11 INSTALLATION 3 3 Installation procedure WARNING During installation of the device make sure that you use ESD electronic discharge protection equippment Because a new pH sensor needs to be calibrated before it is installed into its final measuring location it is important to follow the installation order X D Unpack the sensor 2 Connect the sensor to the junction box or directly to the process control system 3 Calibrate the sensor 4 Install the sensor into its final measuring location The required steps are explained in the following sections 3 4 Pre installation requirements CAUTION Never touch or scratch the membrane glass of the sensor e Store the sensor in its o
36. time gt 110 C 2309F OP time 300mV OP time gt 300mV Max temperature Temp compensation Manual temp Commissioning Set date of commissioning 5 Service 1 Service calibration Trimming at Trimming at 20 mA Load factory setting 3 Password Password protection Activate or deactivate the password protection Select between on and off Password operator Set password for operator Password Set password for administrator administrator Reset all passwords only administrator 4 Sensor lock Select between YES or NO to lock the sensor If you select YES the setting is not reversible anymore and the sensor is invalid for use The HARTScommunication is not possible anymore 40 www krohne com 11 2013 4002543602 MA SMARTSENS PH 8150 R02 en APPENDIX 8 1 pH as a function of mV The pH value is the negative decadative logarithm of the hydrogen ion concentration and it Is directly related to the proportion of hydrogen ions to hydroxide ions OH in the media The sensor measures excess or deficit of the hydrogen ions and gives a proportional millivolt signal as output The signal is 59 16 mV per 1 pH at 25 77 F In clean water there is a total balance between hydrogen ions and hydroxide ions the output from the electrode is 0 0 mV and pH is 7 The millivolt signal 15 measured by the sensor and the corresponding pH value is directly calculated by the sensor
37. ts and systems for the oil amp gas industry e Measuring systems for the marine industry Head Office KROHNE Messtechnik GmbH Ludwig Krohne Strafie 5 47058 Duisburg Germany Tel 49 203 301 0 Fax 49 203 301 103 89 info dkrohne com The current list of all KROHNE contacts and addresses can be found at www krohne com
38. yond what is permitted under copyright requires written authorisation from the respective author and or the manufacturer The manufacturer tries always to observe the copyrights of others and to draw on works created in house or works in the public domain The collection of personal data such as names street addresses or e mail addresses in the manufacturer s documents is always on a voluntary basis whenever possible Whenever feasible it is always possible to make use of the offerings and services without providing any personal data We draw your attention to the fact that data transmission over the Internet e g when communicating by e mail may involve gaps in security It is not possible to protect such data completely against access by third parties We hereby expressly prohibit the use of the contact data published as part of our duty to publish an imprint for the purpose of sending us any advertising or informational materials that we have not expressly requested 11 2013 4002543602 MA SMARTSENS PH 8150 R02 en www krohne com EE SAFETY INSTRUCTIONS 1 2 2 Disclaimer The manufacturer will not be liable for any damage of any kind by using its product including but not limited to direct indirect or incidental and consequential damages This disclaimer does not apply in case the manufacturer has acted on purpose or with gross negligence In the event any applicable law does not allow such limitations on implied warra
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