YSI IQ SensorNet TriOxmatic 702 Sensor User Manual
Contents
1. 8 1 8 2 Service 8 1 Indexes ce a eee HHHH HHHH HH 9 1 9 1 Explanation of the messages 9 1 9 1 1 Error messages 9 1 9 1 2 Infomessages 9 2 9 27 Status sane ate x kla eee 9 3 0 2 ba76048e0101 2012 TriOxmatic 702 IQ Overview Structure of the IQ SENSOR NET operating manual 1 1 1 Overview How to use this component operating manual IQ Sensor Net Operating Manual System Operating Manual Ring Binder IQ Sensor Operating Manual MIQ Module Operating Manual MIQ Terminal Operating Manual Component Operating Manuals Fig 1 1 Structure of the IQ SENSOR NET operating manual The IQ SENSOR NET operating manual has a modular structure like the IQ SENSOR NET system itself It consists of a system operating manual and the operating manuals of all the components used Please file this component operating manual into the ring binder of the system operating manual 76048 01 01 2012 Overview TriOxmatic 702 IQ 1 2 Structure of the TriOxmatic 702 IQ D O sensor 4 5 6 Fig 1 2 Structure of the TriOxmatic 702 IQ D O sensor 1 WP 25i membrane head 2 Electrode uni2. 4 1 4 2 1 General information on calibration 4 1 4 2 2 Calibration in water vapor saturated air 4 2 4 2 8 Calibration history 4 4 4 2 4 Reactivation of the last valid calibration 4 4 4 9 Function Deck out reso Eos ESAE 4 5 Maintenance cleaning disposal and replacement 5 1 5 1 General maintenance instructions 5 1 5 2 Cleaning the sensor shaft and membrane 5 2 5 3 Changing the electrolyte and membrane cap 5 3 5 4 Cleaning the electrodes 5 7 5 4 1 Cleaning the gold working electrode 5 9 5 4 2 Cleaning the silver counter electrode 5 10 5 5 Check the sensor for freedom from zero current 5 15 Storage nate we aee MU bam eka eee 5 16 5 7 Disposal occur thine Shits ABO od ie he UT 5 16 5 8 Maintenance equipment and replacement parts 5 17 What to do fis aka sk area yaya Ree ew bee exem x 6 1 76048 01 01 2012 Contents TriOxmatic 702 IQ Technical data 7 1 7 1 Measurement characteristics 7 1 7 2 Application characteristics 7 2 7 3 Generaldata 0 cee W k wla 7 3 TA Electrical dala 4i 7 3 7 5 Characteristic data on delivery 7 4 Contact Information 8 1 8 1 Ordering amp Technical Support
3. 100 ppb approx 12 years 7 4 ba76048e01 01 2012 TriOxmatic 702 IQ Contact Information 8 Contact Information 8 1 Ordering amp Technical Support Telephone 800 897 4151 937 767 7241 Monday through Friday 8 00 AM to 5 00 PM ET Fax 937 767 1058 Email environmental Q ysi com Mail YSI Incorporated 1725 Brannum Lane Yellow Springs OH 45387 USA Internet www ysi com When placing an order please have the following information available YSI account number if available Name and Phone Number Model number or brief description Billing and shipping address Quantity Purchase Order or Credit Card 8 2 Service Information YSI has authorized service centers throughout the United States and Internationally For the nearest service center information please visit www ysi com and click Support or contact YSI Technical Support directly at 800 897 4151 When returning a product for service include the Product Return form with cleaning certification The form must be completely filled out for an YSI Service Center to accept the instrument for service The Product Return form may be downloaded at www ysi com and clicking on the Support tab 76048 01 01 2012 Contact Information TriOxmatic 702 IQ 8 2 76048 01 01 2012 TriOxmatic 702 IQ Indexes A Message code EA1333 EA2333 EA3333 EC4333 EC5333 9 Indexes 9 1 Explanation of the messages
4. This chapter contains a list of all the message codes and related message texts that can occur in the log book of the IQ SENSOR NET system for the TriOxmatic 702 IQ sensor Note Information on the contents and structure of the log book and how to call it up is given in the LOG BOOK chapter of the IQ SENSOR NET system operating manual Note All message codes of the TriOxmatic 702 IQ end up with 333 9 1 1 Error messages Message text Meas range exceeded or undercut Check process Select other meas range Sensor temperature too high Check process and application Sensor temperature too low Check process and application Sensor could not be calibrated sensor blocked for measurement Cause instable signal Check polarization time and temperature adjustment Check calibration conditions Read calibration history Repeat calibration if unsuccessful service the sensor see operating manual Sensor could not be calibrated sensor blocked for measurement Cause slope error Check polarization time and temperature adjustment Check calibration conditions Read calibration history Repeat calibration if unsuccessful service the sensor see operating manual ba76048e01 01 2012 Indexes TriOxmatic 702 IQ Message code EI1333 EI2333 ES1333 ESB333 Message code IC1333 1 4333 111333 Message text Operational voltage too low Check installation and cabl
5. cause contact problems If you wish to disconnect the sensor from the sensor connection cable note the points described below For the cleaning of the electrodes section 5 4 the sensor must be unscrewed from the sensor connection cable to prevent any damage Observe the following points for this Unscrew the sensor from the SACIQ sensor connection cable Always place a protective cap on the sensor plug head connector and on the SACIQ sensor connection cable so that no moisture or dirt can get into the contacting surfaces n corrosive environments close the dry socket of the sensor connection cable with the SACIQ Plug protective screw cap in order to protect the electrical contacts from corrosion The protective cap is available as an accessory see section 5 8 MAINTENANCE EQUIPMENT AND REPLACEMENT PARTS Connect the sensor with the SACIQ sensor connection cable again before polarization 76048 01 01 2012 5 1 Maintenance cleaning disposal and replacement TriOxmatic 702 10 Cleaning agents Cleaning 5 2 Cleaning the sensor shaft and membrane For normal operation e g boiler feed water cleaning and calibration are strongly recommended ifthe measured values are suspected of being incorrect usually too low if the measured value lies outside the range of precision required by the user during the function check Contamination Cleaning agents For loosely adhering dirt or Soft clo
6. that the sensor is being cali brated If Cancel is selected the active cali bration procedure is canceled as soon as the setting table is exited with Save and quit Temperature mode C Unit of the measured temperature value e F Celsius Fahrenheit 76048 01 01 2012 TriOxmatic 702 IQ Commissioning Temp adjustment Save and quit Quit Carrying out settings 1 5 1 5 The temperature compensation enables the tolerances of the temperature sensor to be balanced shifting of the zero point by 1 5 Notes Due to the thermal capacity of the sensor it is necessary to place it in a container with at least 2 liters of water Leave the sensor in this container for at least 15 minutes while stirring occasionally until the balancing can be performed With temperature differences between the water and sensor gt 10 C leave the sensor for at least 1 hour in this container while stirring occasionally until the balancing can be performed The system confirms the saving of the settings and the display switches to the next higher level The display switches to the next higher level without saving the new settings Using 5 switch from the measured value display to the main menu of the settings Then navigate to the setting menu setting table of the sensor The exact procedure is given in the relevant IQ SENSOR NET system operating manual 76048 01 01 20
7. the LOG BOOK chapter of the IQ SENSOR NET system operating manual Note Only unscrew the membrane head for maintenance purposes After doing so always use a new membrane head 76048 01 01 2012 Maintenance cleaning disposal and replacement TriOxmatic 702 10 Changing the electrolyte and membrane cap 1 Take the sensor out of the flow thru vessel Caution The ELY A electrolyte solution irritates eyes skin and mucus membranes If it comes into contact with the eyes rinse thoroughly with water and consult a doctor During working activities always wear suitable protective gloves and protective goggles face shield Follow the safety datasheet 2 Unscrew the membrane head for disposal of the membrane head and electrolyte solution see section 5 7 ba76048e01 01 2012 TriOxmatic 702 IQ Maintenance cleaning disposal and replacement 4 Carefully rub the silver counter electrode with a paper towel and rinse it with deionized water w 5 Thoroughly rinse the sensor head with electrolyte solution 6 Fill a new WP 25i membrane cap with ELY A electrolyte solution see section 5 8 MAINTENANCE EQUIPMENT AND REPLACEMENT PARTS 76048 01 01 2012 5 5 Maintenance cleaning disposal and replacement TriOxmatic 702 IQ 7 Throw away the first filling and fill the membrane head once more with electrolyte solution 8 Rem
8. thru vessel 76048 01 01 2012 3 1 Commissioning TriOxmatic 702 IQ Connecting the sensor to the sensor connection cable Take the protective caps off the plug connections of the sensor and the SACIQ sensor connection cable and keep them safe 2 Plug the jack of the SACIQ sensor connection cable onto the plug head connector of the sensor At the same time rotate the Socket so that the pin in the plug head connector 1 clicks into one of the two holes in the jack 3 Then screw the coupling ring 2 of the sensor connection cable onto the sensor up to the stop Fig 3 1 Connecting the sensor ba76048e01 01 2012 TriOxmatic 702 IQ Commissioning 3 3 Commissioning Getting the instrument ready for measuring 1 Pull the protective cap off the sensor 2 Leave the sensor to lie in the air for at least 60 minutes while it is switched on polarization Note 1 For the sensor to polarize the following conditions must be fulfilled e The sensor is connected with the IQ SENSOR NET system via the SACIQ sensor connection cable The IQ SENSOR NET system is in operation e The sensor has been identified by the IQ SENSOR NET system 3 If required assign a user defined name to the sensor see relevant IQ SENSOR NET system operating manual 4 Set the sensor see section 3 4 5 Calibrate the sensor see section 4 2 CALIBRATION Precision Recommendation I
9. 12 Commissioning TriOxmatic 702 IQ 3 6 ba76048e01 01 2012 TriOxmatic 702 IQ Measuring Operation Why calibrate When to calibrate Calibration procedures Calibration log ji Maintenance condition 4 Measuring Operation 4 14 Measuring 1 Install the sensor in the D 702 N flow thru vessel see operating manual of the flow thru vessel and put it into operation with the measuring medium 2 Read the measured value on the terminal of the IQ SENSOR NET system 4 2 Calibration 4 2 1 General information on calibration During the operation of a D O sensor the slope of the D O sensor changes with time The calibration procedure determines the current slope of the sensor Calibrate before measuring and at regular intervals depending on the application Ideally calibration takes place in water vapor saturated air To do so position the sensor approx 2 cm above a water surface for example in a narrow bucket or similar container with water In the case of air temperatures under 5 we recommend to calibrate not in air but in air saturated water that has a higher temperature You obtain air saturated water by pouring water several times in and out of two vessels so that it sparkles The calibration history contains the calibration log of the current and the last calibration You can call up the calibration reports for the sensor via the Calibration history display option Note For
10. 12 TriOxmatic 702 IQ Maintenance cleaning disposal and replacement 5 4 1 Cleaning the gold working electrode 1 Moisten the gold working electrode and the SF 300 polishing strip see section 5 8 MAINTENANCE EQUIPMENT AND REPLACEMENT PARTS with deionized water 2 Using the rough side of the wet SF 300 polishing strip polish off any contamination from the gold working electrode using light pressure Caution Do not use any conventional sandpaper or glass fiber brushes They could damage the electrode 3 Rinse the sensor head with deionized water Note il Cleaning the gold working electrode may already be sufficient to enable the sensor to be calibrated again For safety however we recommend to also clean the silver counter electrode see section 5 4 2 and to use a new membrane cap afterwards ba76048e01 01 2012 5 9 Maintenance cleaning disposal and replacement TriOxmatic 702 IQ 5 4 2 Cleaning the silver counter electrode Caution The reference electrode must not come into contact with the cleaning solution under any circumstances This could destroy the reference electrode and cause the sensor to become defective However no danger can arise if the RA 600 cleaning attachment is used correctly Cleaning the silver counter electrode with the RA 600 cleaning attachment 1 Wipe the silver counter electrode with a lint free paper towel and carefully remove any loose
11. WE KNOW DOQO Operating manua IQ SENSOR NET TriOxmatic 702 IQ 76048 01 TriOxmatic 702 IQ Note il For the most recent version of the manual please visit www ysi com Contact YSI 1725 Brannum Lane Yellow Springs OH 45387 USA Tel 1 937 767 7241 800 765 4974 Email environmental ysi com Internet www ysi com Copyright 2012 Xylem Inc ba76048e01 01 2012 TriOxmatic 702 IQ Contents TriOxmatic 702 IQ Contents OvervieW ul xu cee o rk rw ka ale E e ew ee ews 1 1 1 1 How to use this component operating manual 1 1 1 2 Structure of the TriOxmatic 702 IQ D O sensor 1 2 1 3 Recommended fields of application 1 2 Safety lt s say x eny nial k na ana a and j kek A k 2 1 2 1 2 2 2 2 General safety 5 5 2 2 Commissioning 3 1 3 1 Scope of delivery 3 1 3 2 sud ute bar gt ec whe otis S S ed coe bin 3 1 3 3 Commissioning Getting the instrument ready for MGASUNING S la eke er ee arte ite 3 3 3 4 TriOxmatic 702 IQ setting table 3 4 Measuring Operation 4 1 4 1 Measuring a kk be AR 4 1 4 2 is eos sand Tue Re tA durd wil Ee
12. ated electrodes or sensor toxification Clean the electrodes see section 5 4 Cause Remedy Return the sensor Cause Remedy Membrane contaminated Sensor has not been calibrated for a long time Clean the outside of the sensor then recalibrate see section 5 2 and section 4 2 Membrane does not fit snugly on the gold working electrode Change the membrane cap then recalibrate see section 5 3 and section 4 2 Minimum approach flow not present Ensure sufficient approach flow 76048 01 01 2012 What to do if TriOxmatic 702 IQ Measured value fluctuating heavily Measured values too high Incorrect temperature display Cause Remedy Membrane cap loose Screw the membrane head tight Membrane does not fit snugly on the gold working electrode Cause Change the membrane cap then recalibrate see section 5 3 and section 4 2 Remedy Sensor not yet completely polarized Wait for complete polarization at least 1 hour Sensor has not been calibrated for a long time Cause Clean the outside of the sensor then recalibrate see section 5 2 and section 4 2 Remedy Temperature sensor defective Return the sensor 76048 01 01 2012 TriOxmatic 702 IQ Technical data Measuring principle Electrolyte Measuring ranges and resolutions Tempe
13. calibration the membrane always has to be clean for calibration in air it has to be dry Clean contaminated sensors before calibration see section 5 2 CLEANING THE SENSOR SHAFT AND MEMBRANE During calibration the sensor is in the so called maintenance condition This means all linked outputs retain their momentary state After finishing calibration the maintenance condition has to be switched off manually For more detailed information on the maintenance condition please refer to the respective IQ SENSOR NET system operating manual ba76048e01 01 2012 Measuring Operation TriOxmatic 702 IQ General course of a Generally calibration on the IQ SENSOR NET is carried out as follows calibration on the System specific details are given in the respective IQ SENSOR NET IQ SENSOR NET system operating manual 1 Switch to the measured value display with and select the sensor to be calibrated 2 Call up calibration with The next step switches on the maintenance condition for the sensor A corresponding note appears on the display 3 Confirm the note with 99 The maintenance condition is active The menu guided calibration routine starts Follow the instructions on the display After the calibration routine is finished the measured value display appears again the measured value flashes because the sensor is still in the maintenance condition 4 If the calibration was successful bring the sensor in
14. contains the following information Date of the calibration Relative Slope dimensionless e Rating of the calibration O k Calibration was successful The new calibration values are used for the measurements Error Calibration was not successful The Sensor is blocked for measurement 4 2 4 Reactivation of the last valid calibration The TriOxmatic 702 IQ enables you to reactivate the last valid calibration when needed Thereby it is possible to continue with measurements when a calibration failed or it is assumed that optimal calibration conditions were not met Note The reactivation of former calibration data is only a temporary solution Please consider that thereby possibly wrong measurement values are produced Please check correct functioning of the sensor by performing a function check and or a user calibration 1 Open the the setting table see section 3 4 2 Choose in the menue item Calibration the setting last valid and quit the setting table afterwards with Save and quit 76048 01 01 2012 TriOxmatic 702 IQ Measuring Operation 4 3 Function check The function check is the simplest way of letting you know whether the sensor needs to be cleaned and calibrated Note 1 The function check can either be performed water vapor saturated air or in air saturated water In the case of air temperatures under 5 C we recommend to perform the function check not in air but i
15. cope of delivery e TriOxmatic 702 IQ e ZBK 25i accessory case RA 600 cleaning attachment e The sensor is filled with electrolyte and provided with a protective hood Operating manual 3 2 Installation Connection cable The SACIQ sensor connection cable is required to connect the sensor Information on this and other IQ SENSOR NET accessories is given in the YSI catalog and on the Internet Note How to connect the SACIQ sensor connection cable to the terminal p strip of an MIQ module is described in chapter 3 INSTALLATION of the IQ SENSOR NET system operating manual Are the plug Before connecting the sensor and sensor connection cable please connections dry make sure the plug connections are dry If moisture gets into the plug connections first dry the plug connections dab them dry or blow them dry using compressed air Note li Do not suspend the sensor on the sensor connection cable Use an armature or flow thru vessel We recommend to perform the measurement and installation in the D 702 N flow thru vessel using the ADA DF 4 and ADA DF 6 adapters Information on this and on other IQ SENSOR NET accessories is given in the YSI catalog and on the Internet Minimum approach flow The minimum required approach flow at the sensor must be present during measurement see chapter 7 TECHNICAL DATA The minimum approach flow can e g be achieved by the flow rate of the water the correct flow thru in the flow
16. deposits Mh 2 Screw the cleaning attachment onto the sensor instead of the membrane head Caution Never grease or lubricate the inner O ring in the RA 600 cleaning attachment 5 10 ba76048e01 01 2012 TriOxmatic 702 IQ Maintenance cleaning disposal and replacement 3 Remove the screw cap from the safety cap of the cleaning attachment 4 Fill the screw cap with RL AG Oxi cleaning solution see section 5 8 MAINTENANCE EQUIPMENT AND REPLACEMENT PARTS 6 Leave the cleaning solution to take effect for a maximum of 1 hour ba76048e01 01 2012 5 11 Maintenance cleaning disposal and replacement TriOxmatic 702 IQ 7 Unscrew the screw cap 8 deionized water A N Thoroughly rinse the electrode unit with the safety cap on with ba76048e01 01 2012 TriOxmatic 702 IQ Maintenance cleaning disposal and replacement 10 Rinse the sensor head and the electrode unit several times with deionized water 11 Rinse the sensor head and the electrode unit for at least an hour in deionized water 76048 01 01 2012 5 13 Maintenance cleaning disposal and replacement TriOxmatic 702 IQ 12 Carefully shake off the drops of water Fill anew WP 25i membrane cap and screw it on see section 5 3 CHANGING THE ELECTROLYTE AND MEMBRANE CAP 14 Connect the senso
17. e measuring characteristics could change e if the sensor cannot be calibrated 5 4 Cleaning the electrodes The counter electrode and reference electrode always exhibit a distinct coloration This is necessary for the operation of the sensor This is not contamination Cleaning is only required in cases of slopes that are too small or too large the sensor cannot then be calibrated that cannot be resolved by changing the membrane head and the electrolyte solution Caution To clean the electrodes always unscrew the sensor from the SACIQ sensor connection cable Otherwise undesirable electrochemical reactions can occur that may lead to the destruction of the sensor 1 Take the sensor out of the flow thru vessel 2 Unscrew the sensor from the SACIQ sensor connection cable see section 5 1 GENERAL MAINTENANCE INSTRUCTIONS 76048 01 01 2012 Maintenance cleaning disposal and replacement TriOxmatic 702 10 Caution The ELY A electrolyte solution irritates eyes skin and mucus membranes If it comes into contact with the eyes rinse thoroughly with water and consult a doctor During working activities always wear suitable protective gloves and protective goggles face shield Follow the safety datasheet 3 Unscrew the membrane head for disposal of the membrane head and electrolyte solution see section 5 7 m 4 Rinse the sensor head with tap water gm ba76048e01 01 20
18. e lengths Follow installation instructions Power unit s overloaded add power unit s Check terminal and module connections Defective components replace components Operational voltage too low no operation possible Check installation and cable lengths Follow installation instructions Power unit s overloaded add power unit s Check terminal and module connections Defective components replace components Component hardware defective Contact service SensReg Electrolyte supply is depleted Change electrolyte solution and membrane head immediately see operating manual 9 1 2 Info messages Message text Sensor has been successfully calibrated For calibration data see calibration history Last valid calibration has been activated Make sure the sensor operates correctly Language not available Default language German Contact service 76048 01 01 2012 TriOxmatic 702 IQ Indexes 9 2 Status info The status info is a coded piece of information on the current status of a sensor Each sensor sends this status info to the controller The status info of sensors consists of 32 bits each of which can have the value 0 or 1 Status info 01234567 89 101112131415 general structure 10000000 00000000 general 00000000 00000000 internal 16 17 18 19 20 21 2223 2425 26 27 28 29 30 31 The bits O 15 are reserved for general information The bits 16 21 are reserved for
19. e signal word e g Caution indicates the level of the danger Warning indicates instructions that must be followed precisely in order to prevent serious dangers to persons Caution indicates instructions that must be followed precisely in order to avoid slight injuries or damage to the instrument or the environment Note indicates notes that draw your attention to special features Note indicates cross references to other documents e g operating manuals 76048 01 01 2012 Safety TriOxmatic 702 IQ Function and operational safety 2 1 Authorized use The authorized use of the TriOxmatic 702 IQ comprises its use as a D O sensor in the IQ SENSOR NET The technical specifications according to chapter 7 TECHNICAL DATA must be observed Only operation according to the instructions in this operating manual is authorized Any other use is considered to be unauthorized Unauthorized use invalidates any claims with regard to the guarantee Caution Only connect and operate the sensor together with IQ SENSOR NET accessories 2 2 General safety instructions The sensor left the factory in a safe and secure technical condition The failure free function and operational safety of the sensor is only guaranteed if the generally applicable safety measures and the special safety instructions in this operating manual are followed during its use The failure free function and operational safety of the sensor is o
20. embrane cap see section 5 3 CHANGING THE ELECTROLYTE AND MEMBRANE CAP f necessary also clean the silver counter electrode see section 5 4 2 CLEANING THE SILVER COUNTER ELECTRODE 76048 01 01 2012 5 15 Maintenance cleaning disposal and replacement TriOxmatic 702 10 Disposal of the membrane cap 5 6 Storage Store the clean and dry sensor with its protective cap in place Observe the allowed temperature range see chapter 7 TECHNICAL DATA the sensor may be stored in any position 5 7 Disposal We recommend disposing of the sensor without the membrane head as electronic refuse Caution The ELY A electrolyte solution irritates eyes skin and mucus membranes If it comes into contact with the eyes rinse thoroughly with water and consult a doctor During working activities always wear suitable protective gloves and protective goggles face shield Follow the safety datasheet 1 Before disposing of the membrane head unscrew it and rinse with water 2 Dispose of the membrane head in the household refuse Note To dispose of the chemicals follow the corresponding safety datasheets The safety datasheets can be obtained from YSI ba76048e01 01 2012 TriOxmatic 702 IQ Maintenance cleaning disposal and replacement 5 8 Maintenance equipment and replacement parts Description Model Order no Accessory case 2 replacement ZBK 25i 202 621Y membrane heads 50 ml electro
21. erature You obtain air saturated water by pouring water several times in and out of two vessels so that it sparkles Then immerse the sensor in a vessel with air saturated water and calibrate as described above Possible results of the The calibration data are evaluated by the system A calibration can calibration have the following results Display after the Log book entries calibration meaning actions Measured value display Sensor was successfully calibrated For the calibration data see the calibration history Sensor could not be calibrated Sensor blocked for measurement Service the sensor immediately see operating manual View calibration history Check calibration conditions and calibration standard 76048 01 01 2012 4 3 Measuring Operation TriOxmatic 702 IQ Calibration history available in the IQ SENSOR NET system 2020 XT only i Reactivating the last valid calibration data 4 2 3 Calibration history HIgzT2 2 15 2007 14 11 A Calibration history of selected sensor 330 503 Tridxmatic deld 01541002 Date Relative slope actual active 03 08 2007 1 13 calibration 15 08 2007 0 77 Error 03 08 2007 1 13 o k B a 20 06 2007 1 05 o k with the last 05 05 2007 1 08 o k calibrations Range of tolerance 0 60 1 20 Return EXC Fig 4 1 Calibration history TriOxmatic 702 IQ The calibration history
22. internal service information You obtain the status info via a manual query in the Einstellungen Service List of all components menu see system operating manual by an automated query ofasuperordinate process control e g when connected to the Profibus from the IQ Data Server see IQ SENSOR NET Software Pack operating manual Note il The evaluation of the status info e g in the case of an automated query has to be made individually for each bit Status info Status bit Explanation TriOxmatic 702 IQ Bit 0 Component hardware defective Bit 1 SensReg Electrolyte supply is depleted Bit 2 31 ba76048e01 01 2012 9 3 Indexes TriOxmatic 702 IQ 76048 01 01 2012 a xylem brand 1725 Brannum Lane Yellow Springs Ohio 45387 USA 1 937 767 7241 800 765 4974 US FAX 937 767 1058 Email environmental ysi com Internet www ysi com
23. lyte solution 50 ml cleaning solution polishing film Replacement membrane heads 2 WP 25i 2 202 852Y pieces Electrolyte solution 1 bottle x 50 ml ELY A 205 212Y Cleaning solution for silver counter RL Ag Oxi 205 200Y electrode 1 bottle of 50 ml Polishing film SF 300 203 680Y Cleaning attachment for cleaning the RA 600 202 510Y counter electrode Protective screw cap for sensor SACIQ Plug 480 065Y connection cable Note il Information on other IQ SENSOR NET accessories is given in the YSI catalog and on the Internet ba76048e01 01 2012 5 17 Maintenance cleaning disposal and replacement TriOxmatic 702 IQ 76048 01 01 2012 TriOxmatic 702 IQ What to do if The sensor is in the air and the display shows 0 0 mg l or 0 O The sensor cannot be calibrated If the sensor still cannot be calibrated after changing the electrolyte and membrane cap Mechanical damage to the sensor Measured values too low 6 What to do if Cause Remedy No electrolyte in the membrane head Cause Change the WP 25i membrane head see section 5 3 Remedy Contaminated membrane head Cause Clean the outside of the sensor according to operating manual wait at least 15 minutes and recalibrate it nthe case of contamination that cannot be removed Change the membrane head and electrolyte Remedy Contamin
24. n air saturated water that has a higher temperature Note li The function check is carried out in the measuring mode saturation When switching to the measuring mode saturation information on linked outputs is lost Function check in water Proceed as follows vapor saturated air 1 Take the sensor out of the flow thru vessel and position it approx 2 cm above a water surface best in a narrow bucket or similar container with water When doing so no liquid should be brought on the membrane 2 Wait at least 15 minutes for the temperature to adapt 3 Inthe sensor setting table select the measuring mode unit and switch to the measured value display with 4 Read the measured value and determine whether it lies within the range of precision required by the user Note il If there are large temperature differences between the sample and the air above the surface of the water a balancing period of more than 15 minutes may be required 76048 01 01 2012 4 5 Measuring Operation TriOxmatic 702 IQ Measured values within If the measured value lies within the range of precision required by the the required precision user no cleaning or recalibration is necessary Example Required precision 5 96 Measured value in air 97 96 saturation nominal value 10096 gt No cleaning or recalibration is necessary as the measurement error lies within the range of precision
25. n order to carry out precision measurements leave measurements the sensor to polarize for a longer period of time e g overnight and recalibrate it the following day 76048 01 01 2012 3 3 Commissioning TriOxmatic 702 IQ 3 4 TriOxmatic 702 IQ setting table Setting Selection values Explanation Measuring mode Concentration Unit of the measured value on the measured Saturation value display Measuring range 0 2000 ug l These measuring ranges are available for Concentration e 0 0 15 mg l selection 0 2000 ppb 0 10 00 ppm Measuring range 0 110 0 The measuring range is set permanently Saturation Calibration valid Displays and determines which calibration software version e invalid data the measured value calculation is 2 21 or higher based on The active calibration is displayed last valid in the calibration history see section 4 2 3 e active e abor valid indicates that a valid calibration is available The value cannot be changed invalid is displayed if the last calibration is invalid and the sensor is blocked for measu rement In this case you can switch to the values of the ast valid calibration provided a valid calibration is available in the sensor Thus you activate the last valid calibration stored in the sensor the next time you exit the setting table with Save and quit The next time the setting table is opened valid is dis played active indicates
26. nly guaranteed under the environmental conditions that are specified in chapter 7 TECHNICAL DATA The specified temperature chapter 7 TECHNICAL DATA must be maintained during the operation and transport of the sensor Protect the sensor particularly against frost or overheating Caution The sensor may only be opened by specialists authorized by YSI The only exceptions to this are the activities described in chapter 5 MAINTENANCE CLEANING DISPOSAL AND REPLACEMENT ba76048e01 01 2012 TriOxmatic 702 IQ Safety Safe operation Obligations of the If safe operation is no longer possible the sensor must be taken out of operation and secured against inadvertent operation Safe operation is no longer possible if the sensor e has been damaged in transport has been stored under adverse conditions for a lengthy period of time is visibly damaged no longer operates as described in this manual If you are in any doubt contact the supplier of your sensor The operator of the sensor must ensure that the following rules and operator regulations are followed when dealing with hazardous substances EEC directives for protective labor legislation e National protective labor legislation Safety regulations Safety data sheets of the chemical manufacturer ba76048e01 01 2012 2 3 Safety TriOxmatic 702 IQ 2 4 76048 01 01 2012 TriOxmatic 702 IQ Commissioning 3 Commissioning 3 1 S
27. ove any air bubbles by carefully tapping the membrane head Caution The ELY A electrolyte solution irritates eyes skin and mucus membranes If it comes into contact with the eyes rinse thoroughly with water and consult a doctor During working activities always wear suitable protective gloves and protective goggles face shield Follow the safety datasheet 9 Screw the membrane head onto the shaft while holding the sensor at an angle Excess electrolyte solution is forced out of the ventilation area Ventilation area see above 5 6 ba76048e01 01 2012 TriOxmatic 702 IQ Maintenance cleaning disposal and replacement Precision measurements i Preparatory activities 10 The filling should be free of air bubbles as far as possible However small air bubbles do not cause any interference 11 After approx 60 minutes polarization time the sensor is ready for operation 12 Recalibrate the sensor see section 4 2 CALIBRATION Recommendation In order to carry out precision measurements leave the sensor to polarize for a longer period of time e g overnight and recalibrate it the following day Note In the following cases you must refill the sensor once more if there are large air bubbles if there are air bubbles on the gold working electrode for measurements at high water pressure even if small air bubbles are present Otherwise the membrane and as a result th
28. r again with the SACIQ sensor connection cable 15 After approx 60 minutes the sensor is ready for operation 16 Recalibrate the sensor see section 4 2 CALIBRATION 76048 01 01 2012 TriOxmatic 702 IQ Maintenance cleaning disposal and replacement 5 5 Check the sensor for freedom from zero current The sensor is zero current free Therefore no calibration of the sensor in an oxygen free solution is included However it is possible to check the freedom from zero current according to DIN EN 25814 150 5814 This is advisable if there is any suspicion of a malfunction Test solution 1 9 1 aqueous sodium sulfite solution NazSO3 addition of 1 mg l of a cobalt Il salt accelerates the removal of oxygen from the solution The sensor should be in operation for at least 1 hour before the inspection Test procedure P 1 Clean the sensor see section 5 2 CLEANING THE SENSOR SHAFT AND MEMBRANE 2 Inthe sensor setting table select the measuring mode unit and switch to the measured value display with 3 Submerse the sensor the test solution 4 Leave the sensor in the test solution for an hour 5 Read the measured value Evaluation The sensor is OK if the terminal shows lt 1 oxygen saturation If the measured value is gt 1 96 Clean the gold working electrode see section 5 4 1 CLEANING THE GOLD WORKING ELECTRODE and change the electrolyte and m
29. rane head POM Membrane FEP thickness 25 Sensor head POM Insulator PEEK Plug head connector housing POM Plug 3 pole ETFE blue Tefzel SensReg electrolyte solution depleted EN 61010 1 UL 3111 1 CAN CSA C22 2 No 1010 1 Applicable norms 74 Electrical data Max 24VDC via the IQ SENSOR NET for more details see chapter TECHNICAL DATA of the IQ SENSOR NET system operating manual 0 2 W Nominal voltage Power consumption Protective class ba76048e01 01 2012 Technical data TriOxmatic 702 IQ Zero signal Response time at 25 C Adjustment time Own consumption 7 5 Characteristic data on delivery lt 1 ppb 0 001 mg l too 90 of the final value display after lt 30s tog 99 of the final value display after lt 110s Adjustment time for measuring low oxygen concentrations after air calibration D O concentration Adjustment time 10 ppb 10 min 5 ppb 15 min 2 ppb 45 min Adjustment time for measuring low oxygen concentrations after exchanging the membrane head and electrolyte solution and subsequent air calibration D O concentration Adjustment time 10 ppb 40 min 5 ppb 70 min 2 ppb 180 min 0 34 ug hr mg l at 20 Drift 1 6 per month during permanent polarization Working life per D O concentration Theoretical electrolyte reserve electrolyte filling Air saturation approx 45 days
30. rature compensation Measurement in water Measurement in salt contaminated wastewater Polarization time Temperature measurement Calibration procedure 7 Technical data 7 1 Measurement characteristics Membrane covered amperometric sensor with potentiostatically operated 3 electrode system Integrated microprocessor electronics shielded 2 wire connection for power and data transmission ELY A Measuring Measuring range Resolution mode D 2000 ug l 1 ug l concentration 0 00 10 00 mg l 0 01 mg l D O saturation 0 0 110 0 0 1 IMT integrated membrane temperature compensation According to solubility function DIN 408 Part 22 Salinity input from 2 0 70 0 corresponds to 3 4 mS cm 86 2 mS cm at Trer 20 C salinity measurement in the range 2 42 according to IOT International Oceanographic Tables In the case of recommissioning or change of electrolyte At least 60 minutes for precision measurements At least 120 minutes and recalibrate on the following day In the case of short polarization interruptions depending on the duration of the interruption Temperature sensor 30 to 120 minutes integrated NTC Measuring range 5 60 C 23 140 F Accuracy 0 5K Resolution Air calibration 0 1K ba76048e01 01 2012 Technical data TriOxmatic 702 IQ Air pressure compensation Allo
31. required by the user Function check in air In the case of air temperatures under 5 do not perform the function saturated water check in air but in air saturated water that has a higher temperature You obtain air saturated water by pouring water several times in and out of two vessels so that it sparkles Then submerse the sensor in a vessel with air saturated water and perform the function check as described above 4 6 76048 01 01 2012 TriOxmatic 702 IQ Maintenance cleaning disposal and replacement 5 Maintenance cleaning disposal and replacement 5 1 General maintenance instructions Warning Contact with the sample can lead to danger to the user Depending on the type of sample suitable protective measures must be taken protective clothing protective goggles etc Maintenance condition We recommend to switch on the maintenance condition each time before removing the sensor from its measuring position This avoids unintended reactions of linked outputs For more detailed information on the maintenance condition please refer to the respective IQ SENSOR NET system operating manual When to unscrew the To clean the outside of the sensor section 5 2 and to replace the sensor from the electrolyte solution and membrane head section 5 3 we recommend connection cable to leave the sensor connected to the sensor connection cable Otherwise moisture and or dirt can get into the plug connection where they can
32. t 3 Shaft Electrode unit 4 Gold working electrode cathode 5 Silver counter electrode anode 6 Reference electrode 1 3 Recommended fields of application Stationary measurements in boiler feed water and trace measurements in water The measurement is a flow thru measurement e g uses the D702 N flow thru vessel available as an accessory 1 2 ba76048e01 01 2012 TriOxmatic 702 IQ Safety Special user qualifications General safety instructions gt gt Other labels amp E 2 Safety This component operating manual contains special instructions that must be followed during the operation of the TriOxmatic 702 IQ D O sensor Thus it is essential to read this component operating manual before carrying out any work using this sensor In addition to this manual the SAFETY chapter of the IQ SENSOR NET system operating manual must be followed Always keep this component operating manual together with the system operating manual and any other component operating manuals in the vicinity of the IQ SENSOR NET system The D O sensor was developed for applications using the online measurement technique Thus we assume that the operators are familiar with the necessary precautions to take when dealing with chemicals as a result of their professional training and experience Safety instructions in this operating manual can be recognized by the warning symbol triangle in the left column Th
33. th or soft sponge warm tap biological deposits water with detergent Salt and or lime deposits Acetic acid volume percentage 20 soft cloth or soft sponge 1 Take the sensor out of the flow thru vessel and put it into a holding device Caution Acetic acid irritates the eyes and the skin When handling acetic acid always wear protective gloves and protective goggles Caution Clean the membrane very carefully Make sure that the membrane is not damaged e g by sharp edged objects 2 Carefully clean the sensor shaft and the membrane as specified in the CLEANING AGENTS section 3 Then rinse it thoroughly with tap water ba76048e01 01 2012 TriOxmatic 702 IQ Maintenance cleaning disposal and replacement 4 If necessary carefully dry the membrane with a lint free paper towel 5 Also clean the flow thru vessel 6 Recalibrate the sensor see section 4 2 CALIBRATION 7 Install the sensor again the flow thru vessel 5 3 Changing the electrolyte and membrane cap YSI delivers the sensor ready for operation The electrolyte solution and membrane head must only be replaced the electrolyte solution is depleted or the counter electrode is poisoned log book message e after the gold working electrode and the silver counter electrode have been cleaned Note Information on the contents and structure of the log book and how to call it up is given in
34. to the measuring position 5 Wait for a stable measured value 6 Switch off the maintenance condition 4 2 2 Calibration in water vapor saturated air 1 If necessary clean the sensor and membrane dry the membrane see section 5 2 CLEANING THE SENSOR SHAFT AND MEMBRANE 2 Start calibration and follow the instruction on the display until the instruction Bring sensor into calibrating position appears Calibrating position nS 4 2 ba76048e01 01 2012 TriOxmatic 702 IQ Measuring Operation 3 Bring the sensor into the calibrating position To do so position the sensor approx 2 cm above a water surface best in a narrow bucket or similar container with water When doing so no liquid should be brought on the membrane Note 1 Up to this point you can break off the calibration procedure at any time with the key The system continues to work with the old calibration data However you have to switch off the maintenance condition in any case After starting the calibration with the key step 4 you cannot break off the calibration any more 4 Continue with 99 The calibration data is automatically determined and documented in the calibration record 5 Complete the calibration procedure according to the instructions on the display Note il In the case of air temperatures under 5 C do not calibrate the sensor in air but in air saturated water that has a higher temp
35. wed temperature range Allowed pH range of the test sample Pressure resistance Type of protection Immersion depth Operating position Approach flow Flow thru in the D 702 N Field of application Automatic With IQ SENSOR NET systems with air pressure measurement option Manual By entering the air pressure or location altitude 7 2 Application characteristics Measuring medium 0 C 60 C 32 140 F 5 65 C 23 149 F Storage transport 4 12 Sensor with connected SACIQ sensor connection cable Max allowed overpressure 108 Pa 10 bar The sensor meets all requirements according to article 3 3 of 97 23 EC pressure equipment directive Sensor with connected SACIQ sensor connection cable IP 68 10 bar 106 Pa min 10 cm max 100 m depth Predominantly for installation in the D 702 N flow thru vessel gt 0 3 m s at 1 measuring accuracy 2 100 ml min Oxygen trace sensor for monitoring boiler feed water for example 76048 01 01 2012 TriOxmatic 702 IQ Technical data Dimensions Weight without sensor connection cable Connection technique Material Automatic sensor monitoring SensCheck function Instrument safety 7 3 General data 358 i Y 30 0 40 0 Socket SACIQ approx 660 g Connection via SACIQ sensor connection cable Shaft stainless steel 1 4571 Memb
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