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IQ SensorNet NiCaVis NI Sensor User Manual

1. O 20000 mg L 1 mg L DOC spectr 0 12500 mg L 1 mg L BOD spectr correl 0 8000 mg L 1 mg L SAC 2 4 total 0 5000 1 m 1 1 m UVT 254 0 100 0 96 0 1 96 Activation COD spectr dissolv 0 12500 mg L 1 mg L DOC spectr corre 0 12500 mg L 1 mg L SAC 2 4 total 0 5000 1 m 1 1 m UVT 254 0 100 0 96 0 1 96 Outlet COD spectr total 0 4000 mg L 1 mg L COD spectr dissolv 0 4000 mg L 1 mg L TOC spectr O 2500 mg L 1 mg L DOC spectr 0 2500 mg L 1 mg L BOD spectr correl 0 2500 mg L 1 mg L SAC 2 4 total 0 3000 1 m 1 1 m UVT 254 0 100 0 96 0 1 96 Measuring Measuring mode Measuring range Resolution location Outlet NO3 0 0 250 0 mg L 0 1 mg L NO3 N 0 00 50 00 mg L 0 01 mg L NO2 0 0 100 0 mg L 0 1 mg L NO2 N 0 00 25 00 mg L 0 01 mg L ba76132e01 03 2013 NiCaVis 70x IQ NI Technical data Carbon measurement 5 mm gap width i Suitability and areas of application Measuring medium Pressure resistance Type of protection Measuring Measuring mode Measuring range Resolution location Outlet COD spectr total 0 0 800 0 mg L 0 1 mg L COD spectr dissolv 0 0 800 0 mg L 0 1 mg L correl 0 0 500 0 mg L 0 1 mg L DOC spectr 0 0 500 0 mg L 0 1 mg L BOD spectr corre 0 0 500
2. Result Meaning Sensor released for measurement OK Zero adjustment successful Yes Error Zero adjustment not success No ful If the result is erroneous clean the sensor and all equipment once again Then carry out a new Zero adjustmentand when doing so make sure the conditions are absolutely clean 76132 01 03 2013 NiCaVis 70x IQ NI Measuring Operation i Result after Sensor check standard Completing the sensor check or Zero adjustment i If no valid zero adjustment is possible under the current conditions you can restore the readiness for measurement by measuring with an older valid zero adjustment To do so select the Zero adjustment setting in the sensor settings Factory factory zero adjustment or User last valid user zero adjust ment Then check the measurement results with a Sensor check standard Suitable standards check equipment for your sensor are available as accessories see chapter 6 Result Meaning OK Sensor check standard successful Error Sensor check standard not successful Possible cause wrong or expired standard After a successful sensor check or Zero adjustment return to measure ment as follows 17 Confirm the calibration result with lt OK gt 18 Confirm the message After successful cal with OK The display returns to the measured value display The mea sured value flashes because the sensor is still in the
3. Erroneous user calibration Cause Repeat user calibration Make sure the samples for compari Son are representative Remedy Gas bubbles in front of the measurement windows Check the position within the process and the installation position ba76132e01 03 2013 NiCaVis 70x IQ NI What to do if Measured values too low Cause Remedy or too high Gas bubbles in front of the Check the installation position measurement windows of the sensor Measurement windows dirty Clean the measurement win dows Display of ERROR Cause Remedy UV sensor not correctly con Check the assignment of the nected terminal connections Load at a power supply mod Install another power supply ule too high module in the vicinity of the sensor IQ SENSOR NET cable to Install another power supply wards the NiCaVis 70x IQ NI module in the vicinity of the too long voltage drop too sensor great Electrical connection be Check the cable connection tween power supply module step by step starting with the and NiCaVis 70x IQ NI is in power supply module and terrupted replace any defective cable sections Check the contacts on the MIQ modules stack mounting Clean any dirty contacts Care fully bend back contact springs that have been pressed flat or bent pay attention to sufficient spring tension ba76132e01 03 2013 7 3 What to
4. IQ SENSOR NET system operating manual The last three digits of the message code form the component code It Li identifies the component active component that caused the message Some error messages contain an internal error code starting with Module code Component 3A1 NitraVis 701 IQ 3A2 NitraVis 705 IQ 3A3 CarboVis 70110 3A4 CarboVis 705 IQ 3AQ NitraVis 701 IQ virtual 3AR NitraVis 705 IQ virtual 3AS CarboVis 701 IQ virtual 3AT CarboVis 701 IQ virtual 3AU CarboVis 701 IQ virtual 3AV CarboVis 701 IQ virtual 3AW CarboVis 705 IQ virtual 3AX CarboVis 705 IQ virtual 3AY CarboVis 705 IQ virtual 3AZ CarboVis 705 IQ virtual 541 BasicVis IQ 76132 01 03 2013 9 1 Indexes NiCaVis 70x IQ NI Message code EA2541 EA3541 EAI541 EAM3Ax EC33Ax EI1541 EI2541 ES2541 ES3541 ES4541 9 1 1 Error messages Message text Sensor temperature too high Check process and application Sensor temperature too low Check process and application Zero adjustment erroneous Clean the sensor and sensor sleeve repeatedly Position the sensor sleeve according to operating manual Rinse the measuring chamber with ultrapure water several times Fill the measuring chamber with ultrapure water Repeat the zero adjustment Meas range exceeded or undercut Check process User calibration erroneous Check raw value reference value pairs Set all values
5. Sender of the optical system Measuring gap between the measurement windows Receiver of the optical system Detector Measuring beam Reference beam GINI Connection for the optional compressed air cleaning system 76132 01 03 2013 Overview NiCaVis 70x IQ NI 1 4 76132 01 03 2013 NiCaVis 70x IQ NI Safety 2 Safety 2 1 Safety information 2 1 1 Safety information in the operating manual This operating manual provides important information on the safe operation of the product Read this operating manual thoroughly and make yourself familiar with the product before putting it into operation or working with it The operating manual must be kept in the vicinity of the meter so you can always find the infor mation you need Important safety instructions are highlighted in this operating manual They are indicated by the warning symbol triangle in the left column The signal word e g CAUTION indicates the danger level WARNING indicates a possibly dangerous situation that can lead to serious irreversible injury or death if the safety instruction is not followed CAUTION indicates a possibly dangerous situation that can lead to slight reversible injury if the safety instruction is not followed Note indicates a situation where goods might be damaged if the actions mentioned are not taken 2 1 2 Safety signs on the product Note all labels information sig
6. observe several measuring cycles and average the individual raw values 4 Take a sample at the same time as the measurement and as close to the UV sensor as possible 5 Determine the reference value and note it down as a value pair together with the raw value 6 For a two point calibration Determine the second value pair step 4 to step 6 At least one value pair and a maximum of two value pairs can be entered for a valid calibration The values must be in ascending order If they are not in ascending order a calibration error will occur fe Sort the values pairs in ascending order 8 In the Settings of sensors and diff sensors menu enter the value pair or pairs see the following table The entry of calibration values outside the measuring range leads to a calibration error 76132 01 03 2013 NiCaVis 70x IQ NI Measuring Operation i Default values are marked in bold Menu item Settings Explanations Cal raw value 1 0 00 5000 00 Raw value of the first value pair lower concentration For single point calibration enter O Cal ref value 1 0 00 5000 00 Reference value of the first value pair lower concentration For single point calibration enter O Cal raw value 2 0 00 10 00 5000 00 Raw value of the second value pair higher concentration or raw value of the single point calibration Cal ref value 2 Calibration eva
7. the sensor is blocked for mea surement A successful Zero adjustment is required for the determina tion of measured values Use the Sensor check standard to check the sensor with a standard solution see chapter 6 SPARE PARTS MAINTENANCE EQUIPMENT ACCES SORIES During the check the recorded spectrum is compared to a reference spectrum of the standard solution stored in the sensor 76132 01 03 2013 NiCaVis 70x IQ NI Measuring Operation Calibration points and value pairs Selection of calibration Storage location of user points i calibration data 4 3 2 User calibration The adjustment is carried out at one or two points within the measuring range A value pair is determined at each point Each value pair consists of the raw value of the UV sensor and the corresponding refer ence value Each value pair has to be determined at the same time and place as the test sample as possible At the time of the calibration the test sample should be in a condition that is typical of the application If the required accuracy is low the default setting of the first value pair can be adopted unchanged The first value pair is equivalent to the zero point in this case The second value pair should be close to the working point of the application This method results in a single point calibra tion If the application has to cover a wide value range with high measuring accuracy both value pairs should be used
8. Inc
9. Make sure the sensor op erates correctly The last valid user zero adjustment was activated Make sure the sen sor operates correctly Invalid user zero adjustment was replaced by last valid user calibration Caution Wrong measured values possible Carry out a new successful zero adjustment to make sure the sensor operates correctly The invalid user zero adjustment was replaced by the factory zero adjustment Caution Wrong measured values possible Check whether the sensor operates correctly or carry out a new successful user zero adjustment 76132 01 03 2013 NiCaVis 70x IQ NI 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 sta tus info of sensors consists of 32 bits each of which can have the value 0 or 1 01234567 8 9 1011 12 13 14 15 Status info 10000000 00000000 general general 00000000 00000000 internal 16 17 18 19 20 21 2223 2425 26 27 28 29 30 31 The bits 0 15 are reserved for general information The bits 16 21 are reserved for internal service information You obtain the status info via a manual query in the Settings Service List of all components menu see system operating manual by an automated query superordinate process control g when connected to the Profibus ofthe IQ Data Server see operating manual of
10. commission ing Cal raw value 2 Cal ref value 2 Number of N sensors 1 2 Apart from the main sensor up to 4 Number of C sensors 0 more sensors can be displayed The settings for the additional sensors are done in the menus for the respec tive sensors Zero adjustment Factory Setting of which zero adjustment is User used in the sensor Factory zero adjustment or Zero adjustment carried out last Signal smoothing e On Switching on off the signal smoothing e Of For more details see Response time t90 ba76132e01 03 2013 NiCaVis 70x IQ NI Commissioning Menu item Settings Explanations Response time 190 70 60 min Response time of the signal smoothing Depending on the sample matrix mea sured values can vary more or less strongly e g due to foreign bodies or air bubbles The signal filter here the Response time 190 reduces the limits of variation of the measured values The Aesponse time f90 specifies the time after which 90 96 of a signal change are displayed This menu item is only available with Signal smoothing On The specified time is used as a guide value for low 10 min to high 60 min signal smoothing and can deviate from the value that was set Cleaning mode e On e Off Switching on off the automatic time controlled cleaning function Cleaning type e Ultrasound e Air e Ulrasoundtair Cleaning methods This men
11. compressor to be triggered by Cleaning Air Box 480 017 relay power supply 115 V AC 115 VAC Air compressor to be triggered by Cleaning Air Box 480 019 relay power supply 230 V AC 230 VAC 76132 01 03 2013 Spare parts maintenance equipment accessories NiCaVis 70x IQ NI Mounting accessories Description Model Order no Mounting set for horizontal instal VIS Set EH 481 073 lation with EH F 170 swing mount ing assembly Flow through armature VIS FT 1 480 080 Information on other IQ SENSOR NET accessories is given in the YSI catalog and on the Internet ba76132e01 03 2013 NiCaVis 70x IQ NI What to do if 7 What to do if display Cause Remedy invalid measured value User calibration values Correct the entry and enter entered incorrectly once again section 4 3 2 Repeat Sensor check H2O dest or Sensor check H20 dest or Zero adjustment or Zero adjustment or Sensor check standard Sensor check standard defective Check conditions especially cleanliness section 4 3 3 Zero adjustment still errone Contact YSI ous after several trials Unknown Seelog book Implausible measured Cause Remedy values Erroneous user calibration Repeat user calibration Make sure the samples for compari Son are representative Substantial change of test sample sample matrix Carry out new user calibr
12. connection cable onto the sensor up to the stop Fig 3 5 Connecting the sensor 3 6 ba76132e01 03 2013 NiCaVis 70x IQ NI Commissioning Measuring location User calibration after initial commissioning 3 4 Initial commissioning 3 4 1 General information CAUTION Never look into the measuring window or put objects into the measur ing window during operation The emitted UV radiation can damage the eyes In the case of authorized use inadvertent eye contact with the light beam is not possible The sensor is immediately ready to measure How to adjust the settings is described in the following section section 3 4 3 On the basis of a reference measurement laboratory value check whether the default settings deliver sufficiently accurate measured values or whether you want to carry out a user calibration see section 4 3 CALIBRATION 76132 01 03 2013 Commissioning NiCaVis 70x IQ NI Main sensor Virtual sensors Sensor overlapping settings and functions 3 4 2 Sensor structure The physical sensor is the sensor with the instrument or model desig nation NiCaVis 70x IQ NI The physical sensor processes the mea surement signal absorbance spectrum and supplies up to 5 measurement results to the IQ SENSOR NET The measurement results are administrated like 5 sensors that differ in hierarchy as follows The sensor for nitrite nitrate measurement is the main sensor It
13. for calibration When doing So the calibration value pairs should be determined and input at the limits of the application range as possible You obtain samples of different concentrations e g by taking two samples during clearly different conditions of the plant dry period and rain period The measurement results will be ever more accurate the closer the composition of the test sample corresponds to the status at the time of the calibration If there is a fundamental change of the characteristics of the sample a new calibration may be necessary The calibration data of the user calibration are stored in the IQ Sensor Net controller They are loaded into the sensor during operation and automatically assigned to the replacement sensor if the sensor is exchanged 76132 01 03 2013 Measuring Operation NiCaVis 70x IQ NI Performing a user calibration A Proceed as follows if you want to perform a user calibration In the Settings of sensors and diff sensors menu set the Signal smoothing setting to Off Subsequently leave the menu with Save and quit How to navigate to the Settings of sensors and diff sensors menu and the operation of the menu is described in section 3 4 3 1 Bring the sensor into the measuring position 2 Switch to the measured value display with lt M gt 3 Wait for a measurement read the raw value without dimen sion and note it down In the case of fluctuating values
14. mainte nance condition 19 Pour away the ultrapure water or standard solution and remove the sensor sleeve 20 Screw in the blind plug or compressed air connector and install the sensor at the measuring site 21 After the Sensor check standara Thoroughly rinse the sensor and sensor sleeve with ultrapure water 22 Switch off the maintenance condition use lt V 4 gt to select the UV sensor press OK and make the setting in the Dis play Opt ons menu 23 Switch to the measured value display with M The measured value stops flashing Store the sensor sleeve in a clean environment e g in a plastic bag until the next sensor check or Zero adjustment 76132 01 03 2013 Measuring Operation NiCaVis 70x IQ NI 76132 01 03 2013 NiCaVis 70x IQ NI Maintenance and cleaning 5 Maintenance and cleaning 5 1 Maintenance The UV NiCaVis 70x IQ NI sensor operates maintenance free 5 2 Sensor cleaning 5 2 1 Cleaning agents and accessories Cleaning agents To clean the sensor use the following cleaning agents only Contamination Cleaning agents Water soluble substances Primary cleaning Tapwater warm if possible 30 50 C Precision cleaning House hold washing up liquid ultra pure water Lime deposits 5 96 hydrochloric acid Grease deposits Mixture of isopropanol and water approx 70 96 isopropanol Forthe
15. user calibration Fig 4 3 Overview of Sensortest Zero adjustment and user calibration 76132 01 03 2013 4 9 Measuring Operation NiCaVis 70x IQ NI Preparing the sensor Prepare the sensor check or Zero adjustment as follows check or 1 Switch to the measured value display with lt gt 2 Use A V 4 gt to select the UV sensor 3 Call up calibration with C The Maintenance condition Linked outputs are frozen window appears Maintenance condition Linked outputs are frozen Fig 4 4 Maintenance condition present state The cleaning and the determination of measured values are switched off The measured value display shows a flashing invalid measured value 1 By activating the maintenance condition linked outputs remain in their 4 Confirm the maintenance condition with lt OK gt 5 Take the sensor out of the test sample 6 Remove the blind plug or unscrew the compressed air connec tion from the sensor 7 Thoroughly clean the sensor enclosure sensor sleeve and the compressed air channels see section 5 1 MAINTENANCE To finish the cleaning procedure thoroughly rinse the entire sensor with ultrapure water 8 Mount the cleaned sensor sleeve Loosen both coupling rings on the sensor sleeve Put the sensor sleeve on the sensor and align it The measuring gap is in the center of the sensor sleeve The filling openin
16. 0 897 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 76132 01 03 2013 11 1 Contact Information NiCaVis 70x IQ NI 11 2 76132 01 03 2013 Xylem zilem 1 The tissue in plants that brings water upward from the roots 2 a leading global water technology company We re 12 500 people unified in a common purpose creating innovative solutions to meet our world s water needs Developing new technologies that will improve the way water is used conserved and re used in the future is central to our work We move treat analyze and return water to the environment and we help people use water efficiently in their homes buildings factories and farms In more than 150 countries we have strong long standing relationships with customers who know us for our powerful combination of leading product brands and applications expertise backed by a legacy of innovation For more information on how Xylem can help you go to www xyleminc com EJEJESESEEJES ET YSI 545 1725 Brannum Lane ee mmm Yellow Springs OH 45387 INAH Tel 1 937 767 7241 800 765 4974 YS i Fax 1 937 767 1058 Email environmental ysi com Web www ysi com a xylem brand Xylem
17. 0 mg L 0 1 mg L SAC 2 4 total 0 0 600 0 1 m 1 1 m UVT 254 0 0 100 0 96 0 1 96 The quoted measuring ranges are nominal measuring ranges that are theoretically possible In practice real measuring ranges exist that are given by the limits of photometric determination The limits are signifi cantly influenced by the light scattering due to solids and the absorption of accompanying substances sample matrix Therefore no fixed measuring range can be determined beforehand 8 2 Application conditions Municipal wastewater with a low proportion of industrial wastewater pH value 4 12 Flow rate lt 3 m s Temperature 45 32 F 5 4 113 F Sensor with connected SACIQ SW sensor connection cable Max allowed overpressure 105 Pa 1 bar The sensor meets all requirements according to article 3 3 of 97 23 EC pressure equipment directive Sensor with connected SACIQ SW sensor connection cable IP X8 1 bar 10 Pa 76132 01 03 2013 Technical data NiCaVis 70x IQ NI Immersion depth min The measuring gap must be filled with test sample max 10 m depth Operating position Any 8 4 76132 01 03 2013 NiCaVis 70x IQ NI Technical data Dimensions in mm Weight Connection technique Materials Storage temperature 8 3 General data 865 774 381 Wil o 60 Socket SACIQ With shock protecti
18. 0x IQ NI i Result after Sensor check H20 dest Result after Zero adjustment 15 Confirm each checklist with OK until the Start measurement display appears Up to this point you can break off the calibration procedure at any time with the lt ESC gt key The system continues to work with the old calibra tion data The maintenance condition however has to be switched off again in any case After starting the calibration with the OK key step 16 you can no longer cancel the calibration procedure 16 Confirm with OK The measurement is started After the end of the measurement the result appears With the Zero adjustment the result is entered in the calibration history at the same time Rating number Meaning Zero range Sensor check 2 dest successful OK 40 40 0 no deviation Positive number Measured values were too low 40 1000 Possible cause The measurement windows are contaminated Negative number Measured values were too high 40 1000 Possible cause During the last zero adjustment the measure ment windows were contaminated more than dur ing the current sensor check If the rating number is not in the zero range Repeat the cleaning procedure and the Sensor check H20 dest until the rating number no longer changes significantly If the rating number is still outside the zero range a new zero adjust ment is necessary
19. 1 3 2 Scope of delivery of the NiCaVis 70x IQ NI 3 1 3 3 Installation 3 2 3 31 Mounting the sensor 3 2 3 3 2 Mounting the shock protectors 3 4 3 3 3 Connecting the sensor to the IQ SENSOR 3 5 3 4 Initial commissioning 3 7 3 4 1 General information 3 7 3 42 Sensor structure 3 8 3 4 3 Settings for the main sensor 3 9 3 4 4 Settings for virtual sensors 3 12 Measuring Operation 4 1 4 1 Determination of measured values 4 1 4 2 Measuring operation 4 2 4 3 Calibration 4 3 4 31 Overview 4 3 4 32 User calibration 4 5 4 3 3 Sensor check Zero adjustment 4 8 76132 01 03 2013 NiCaVis 70x IQ NI 5 Maintenance cleaning 5 1 5 1 Maintenance 5 1 5 2 Sensor cleaning 5 1 5 2 1 Cleaning agents and accessories 5 1 5 2 2 General steps to be taken 5 2 5 2 3 Basic Cleaning 5 3 5 2 4 Cleaning the measuring gap 5 4 6 Spare parts maintenance equipment accessories 6 1 T exu pri
20. 3 2013 10 1 Appendix Glossary NiCaVis 70x IQ NI Measuring gap Measured value NO2 N NO3 N Zero adjustment Sample matrix Reference sample Ultrapure water H2O dist Raw value SAK SAC Spectrum TOC UVT The measuring gap is between the two measurement windows In the measuring gap the light beam penetrates the test sample The measured value is the special value of a measured parameter to be determined It is given as a combination of the numerical value and unit e g 3m 0 5 5 5 2 A 373 15 The measured value is determined from the raw value taking into account the data from a user calibration The measured value is displayed together with the raw value in the measured value display The proportion of nitrogen coming from nitrite The proportion of nitrogen coming from nitrate Measuring and saving the absorbance spectrum of ultrapure water Defines the zero points in the spectrum for all wavelengths The light beam is not alleviated at the zero point The zero point influences the calculation of the raw value Composition of the test sample of different individual substances Random sample of the test sample for comparative chemical analyt ical laboratory analyses intended for user calibration Ultrapure water is distilled or deionized water suitable for analysis purposes The raw value is determined from the spectrum while taking into account the data from the zero adjustment The
21. IQ SENSOR NET 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 76132 01 03 2013 Overview NiCaVis 70x IQ NI Measuring location Ultrasound cleaning system Compressed air cleaning option 1 2 Fields of application The NiCaVis 70x IQ NI is an online sensor for the on site determination of nitrite nitrate and carbon sum parameters in waste water treatment plants The range of application comprises control feedback control and mon itoring NiCaVis 701 IQ NI Aeration tank inlet or outlet NiCaVis 705 IQNI Outlet The ultrasound cleaning system ensures low maintenance and long term reliable measurement operation The ultrasound source integrated in the sensor excites the measure ment windows to produce vibrations in the ultrasound range The movement of the surface as a result of this prevents the growth of pollution in almost all cases and thus ensures reliable measured values during continuous operation The sensor is designed to be equipped with an additional compressed air driven cleaning system which supports the ultrasound cleaning system as necessary 1 3 Measuring principle of the UV sensor The UV sensor operates according to the measuring principle of UV spectrometry Any substance contained in a measuring solution attenuates a light beam t
22. OPERATIONS MANUAL ba76132e01 03 2013 e NiCaVis 701 IO NI NiCaVis 705 IO NI OPTICAL SENSOR FOR NITRITE NITRATE AND CARBON SUM PARAMETERS EERE ae Jama maun mmm a xylem brand NiCaVis 70x IQ NI 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 Q ysi com Internet www ysi com Copyright 2013 Xylem Inc ba76132e01 03 2013 NiCaVis 70x IQ NI Contents NiCaVis 70x IQ NI Contents vo Vd sense oh et E Seok eee 1 1 1 1 How to use this component operating manual 1 1 1 2 Fields of application 1 2 1 3 Measuring principle of the UV sensor 1 2 1 4 Structure of the UV 1 3 Safely Sors it rena cca guai tas 2 1 2 1 Safety information 2 1 2 1 1 Safety information in the operating manual 2 1 2 1 2 Safety signs on the product 2 1 2 1 3 Further documents providing safety information 2 1 2 2 Safe operation 2 2 2 2 1 Authorized use 2 2 2 2 2 Requirements for safe operation 2 2 22 3 Unauthorized use 2 2 Commissioning eR UR EVE ETT 3 1 3 1 IQ SENSOR NET system requirements 3
23. ation Measurement windows dirty Clean the measurement win dows Sensor setting wrong Check and if necessary cor rect the Measuring mode Mea suring location sensor settings Carry out new user calibration Optical system maladjusted e g due to inadmissible mechanical shock Carry out Sensor check 2 dest or Zero adjustment or Sensor check standard 76132 01 03 2013 What to do if NiCaVis 70x IQ NI Drifting measured values Display of OFL Measured values fluctuating heavily Cause Remedy Cleaning efficiency too low measurement windows becoming more and more contaminated Clean the measurement win dows section 5 2 4 Use other cleaning method Select different measurement location Setlonger cleaning duration Set more frequent cleaning procedures Install optional compressed air cleaning device Failure of the optional com pressed air cleaning system Clean the measurement win dows section 5 2 4 Check all components of the compressed air cleaning sys tem compressor compressed air line UV VIS sensor rinsing openings Substantial change of test sample sample matrix Cause Carry out new user calibration Remedy Measuring range exceeded Check process Foreign matter in the measur ing gap Clean the measuring gap sec tion 5 2 3
24. ble for analysis purposes Especially make sure that the concen tration of metrologically relevant substances is negligible The data of the sensor checks are not stored The data of the user zero adjustment are stored in the sensor A successful Sensor check H2O dest is the prerequisite for a valid user calibration After each Sensor check H2O dest the sensor is evaluated A changed sensor evaluation proves that the cleaning was effective The steps of the sensor check or Zero adjustment are identical except for the used check solutions ultrapure water or standard solution and are described together below The sensor check and Zero adjustment are carried out with the aid of the sensor sleeve 76132 01 03 2013 NiCaVis 70x IQ NI Measuring Operation Flowchart Cleaning the sensor e Clean the measurement windows Rinse the measuring chamber with ultrapure water several times Carry out a sensor check H20 1 After cleaning several times without significant change the sensor assesssment Carry out zero adjustment Zero adjustment Operating error or defective sensor Error ok Sensor blocked for measurement After several zero adjustments Reset to e Factory zero adjustment e last valid user zero adjustment After several sensor checks Operating error or defective sensor Virtual sensor Check
25. do if NiCaVis 70x IQ NI 7 4 76132 01 03 2013 NiCaVis 70x IQ NI Technical data Measuring principle Wavelength range Measuring gap optical layer thickness Nitrite nitrate measurement 1 mm gap width 8 Technical data 8 1 Measurement characteristics Spectrophotometric absorption measurement integrated micropro cessor electronics shielded 2 wire connection for power and data transmission 200 390 nm NiCaVis 701 IQ NI 1 mm NiCaVis 705 IQ NI 5 mm Measuring Measuring mode Measuring range Resolution location Inlet NO2 0 0 120 0 mg L 0 1 mg L NO2 N 0 00 30 00 mg l 0 01 mg L NO3 0 0 300 0 mg L 0 1 mg L NO3 N 0 00 60 00 mg L 0 01 mg L Activation NO2 0 0 120 0 mg L 0 1 mg L NO2 N 0 00 30 00 mg l 0 01 mg L NOS3 0 0 300 0 mg L 0 1 mg L NO3 N 0 00 60 00 mg L 0 01 mg L Outlet NO2 0 0 300 0 mg L 0 1 mg L NO2 N 0 00 75 00 mg L 0 01 mg L NO3 0 0 750 0 mg L 0 1 mg L NO3 N 0 0 150 0 mg l 0 1 mg L 76132 01 03 2013 Technical data NiCaVis 70x IQ NI Carbon measurement 1 mm gap width Nitrite nitrate measurement 5 mm gap width Measuring Measuring mode Measuring range Resolution location Inlet CCD spectr total 0 20000 mg L 1 mg L COD spectr dissolv 0 12500 mg L 1 mg L TOC
26. e wall bottom and other installation surroundings are sufficient If necessary protect the sensor from hitting with the protective ring provided Mount any fixing elements only on the stable metal shaft Note Always make sure the surface of the enclosure is not damaged by sharp edged objects The enclosure of the sensor may not touch any metallic objects in order to prevent contact corrosion Note Do not suspend the sensor on the sensor connection cable Risk of ca ble break and water penetration at the cable gland A wide range of mounting accessories is available for the installation of the NiCaVis 70x IQ NI see chapter 6 SPARE PARTS MAINTENANCE EQUIPMENT ACCESSORIES Thus all prevalent ways of mounting are possible Generally observe the following general rules when mounting the sensor at the measuring location When mounting the sensor horizontally the measuring gap opening should be on the side Thus any air bubbles can escape upward after cleaning and no sediment can collect in the measuring gap The sensor should be aligned in parallel with the flow direction Measuring gap opening Fig 3 1 Horizontal installation 76132 01 03 2013 NiCaVis 70x IQ NI Commissioning Vertical installation For vertical installation mount the sensor in a position that allows inter fering elements in the measuring gap to escape with the current In the case of vertical installation the minimum flow rate is 0 2 m s s
27. easuring operation CAUTION Never look into the measuring window or put objects into the measur ing window during operation The emitted UV radiation can damage the eyes In the case of authorized use inadvertent eye contact with the light beam is not possible Terminal PC 26 Oct 2011 11 03 gi Values Location 010 a 11 00 1 00 f Raw value 030900046 identifiable by 2 0304900046 Hext sensor Display Options E Measured value Fig 4 2 NiCaVis 70x IQ NI in the measured value display with main sensor and vir tual sensor The following factors can adversely affect the measurement quality The measuring gap is not sufficiently filled and flowed through by the test sample Foreign bodies and air bubbles are in the measuring gap Extraordinary changes interferences of the sample matrix Contaminated measurement windows due to difficult waste water matrix Damaged measuring windows Lacking quality of the zero adjustment e 9 due to contaminated ultrapure water The user calibration is not representative or erroneous 76132 01 03 2013 NiCaVis 70x IQ NI Measuring Operation 4 3 Calibration 4 3 1 Overview In the delivery condition the sensor is precalibrated and ready to mea sure see section 3 4 1 There are two types of calibration that are included into the calculation of the measured value at different point
28. final cleaning prior to a Sensor check or Zero adjustment only use cleaning agents with purity grade for analysis Finally thoroughly rinse the sensor with ultrapure water Accessories Sponge e Plastic bristled brushes of different sizes Interdental brushes are suitable for the cleaning of the compressed air channels Flocked cleaning cards see accessories Lens tissues Wash bottle Note Never use any pressure washer steam blaster abrasives or metal brushes to clean the sensor Risk of damaging the sensor 76132 01 03 2013 5 1 Maintenance and cleaning NiCaVis 70x IQ NI Example 1 Example 2 i 5 2 2 General steps to be taken Depending on the application site and the level of contamination of the sensor as well as the coming job the cleaning procedure includes the following parts Every cleaning procedure starts with a basic cleaning It removes tough grime such as incrustation of fouling matter algae and biolog ical deposits If the sensor surface might be contaminated with pathogenic germs it should also be disinfected Cleaning the measuring gap Removal of lime deposits Cleaning the measuring gap Removal of grease deposits A heavily contaminated sensor from the inlet of a waste water treat ment plant for which a Sensor check or Zero adjustment should be carried out must run through all cleaning steps properly During the cleaning process always keep all surface
29. g of the sensor sleeve and the measur ing gap opening of the sensor are offset by 90 Tighten both coupling rings on the sensor sleeve by hand 4 10 76132 01 03 2013 NiCaVis 70x IQ NI Measuring Operation Measuring chamber Sensor sleeve Fig 4 5 Putting the sensor sleeve on the sensor 9 Put the sensor in a horizontal position on a firm and vibration free surface Turn the filling opening of the sensor sleeve upward Fig 4 5 10 Rinse the measuring chamber with ultrapure water at least 3 times 11 For Sensor check H20 dest or Zero adjustment Fill the measuring chamber with ultrapure water or For Sensor check standard Fill the measuring chamber with standard solution see sec tion 6 12 Ifthere are any air bubbles on the measuring windows remove them by gently knocking on the sensor sleeve with a bar filling the sensor sleeve If you wait longer the result of the Sensor Carry out the intended sensor check or Zero adjustment directly after li check Zero adjustment will be affected canying edt 13 Select the required option with A V 4 gt and OK Zero adjustment e Sensor check H20 dest Zero adjustment Sensor check standard 14 Confirm with OK A multipart checklist appears Use it to check once more whether all preparations have been completed ba76132e01 03 2013 4 11 Measuring Operation NiCaVis 7
30. hat penetrates the measuring solution The attenuation absor bance of the light beam is measured for different wavelengths The wavelength dependent distribution produces the absorbance spec trum The wavelength range where an absorbance occurs is characteristic of the substance The extent of the absorbance depends on the amount of the substance The influence of typical interference matrix variants occurring at munic ipal waste water treatment plants can be eliminated by including the entire absorbance spectrum With this measuring principle measuring does not take place continu ously but at intervals 76132 01 03 2013 NiCaVis 70x IQ NI Overview 1 4 Structure of the UV sensor A UV sensor contains a light source 1 a measuring gap 3 to enable the contact of light with the measuring solution and a detector 5 to measure the attenuated light beam The sender of the optical system 2 directs a light beam the measuring beam 6 through the measuring solution and a second light beam the reference beam 8 over a distance without measuring solution The test sample is between both measurement windows 3 in the measuring gap The receiver of the optical system 4 directs the measuring beam and reference beam to the detector In the detector the light is received by fixed photo diodes 6 1 2S 45 Im mt s ONE Fig 1 2 Structure of a UV sensor Light source
31. luation 0 00 10 00 5000 00 Reference value of the second value pair higher concentration or reference value of the single point calibration The entered calibration data are checked for plausibility by the system The check can have the following results Display Meaning actions Measured value dis play Successful new valid calibration value pairs were entered for the sensor Information on the conten Calibration value pairs not accepted Sen sor is blocked for measurement A log book message is generated Causes Ascending order not observed Atleast one value is outside the measur ing range ts and structure of the log book and how you can call it up is given in the LOG Book chapter of the IQ SENSOR NET system operating manual The user calibration is not recorded in the calibration history You can however view the current value pairs in the Settings of sensors and diff sensors menu at any time 76132 01 03 2013 Measuring Operation NiCaVis 70x IQ NI Ultrapure water H20 dist Storage location of the Zero adjustment data Steps 4 3 3 Sensor check Zero adjustment Note The sensor check or Zero adjustment must be carried out under abso lutely clean conditions If you do not work carefully enough the Zero ad justment can deteriorate the measuring quality As ultrapure water exclusively use distilled or deionized water that is suita
32. ng card in the measuring gap for a few minutes so the detergent can take effect NG d Thoroughly rinse with ultrapure water the measuring gap and the surrounding areas moistened with detergent Then wipe the measurement window with a lens tissue The surface of the measurement windows must be free of streaks Protect the cleaned sensor against new contamination 76132 01 03 2013 NiCaVis 70x IQ NI Spare parts maintenance equipment accessories General accessories replacement parts Test equipment Components for the optional compressed air cleaning system 6 Spare parts maintenance equipment accessories Description Model Order no Calibration sleeve VIS CV 481 074 20 flocked cleaning cards for VIS CT 481 071 cleaning the measuring gap Cleaning set VIS C SET 481 079 20 flocked cleaning cards Cleaning solutions Description Model Order no Standard 1 ST 1 481 077 with low concentration for 5 mm UVVIS sensors Standard 2 ST 2 481 078 with high concentration for 1 mm UVVIS sensors Description Model Order no Compressed air cleaning set with SET AP 481 075 15 m compressed air hose to be connected to a valve module or Cleaning Air Box Active valve module does not MIQ CHV PLUS 480 018 require a free relay output in the IQ SENSOR NET system Valve module for the DIQ CHV 472 007 IQ SENSOR NET system 182 external relay and compressed air supply Air
33. ns and safety symbols on the product A warning symbol triangle without text refers to safety information in this operating manual 2 1 3 Further documents providing safety information The following documents provide additional information which you should observe for your safety when working with the measuring system Operating manuals of other components of the IQ SENSOR NET system power packs controller accessories Safety datasheets of calibration and maintenance equipment e g cleaning solutions ba76132y01 03 2013 2 1 Safety NiCaVis 70x IQ NI 2 2 Safe operation 2 2 1 Authorized use The authorized use of the NiCaVis 70x IQ NI consists of its use as a sensor in the IQ SENSOR NET Only the operation and running of the product according to the instructions and technical specifications given in this operating manual is authorized see chapter 8 TECHNICAL DATA Any other use is considered unau thorized 2 2 2 Requirements for safe operation Note the following points for safe operation The product may only be operated according to the authorized use specified above The product may only be supplied with power by the energy sources men tioned in this operating manual The product may only be operated under the environmental conditions men tioned in this operating manual The product may not be opened 2 2 8 Unauthorized use The product must not be put into operation if i
34. o the measuring gap is kept clean optimally AR asuring gap opening Fig 3 2 Vertical installation Protection against shocks When installing the sensor always make sure it cannot knock against a wall or another obstacle Make sure the safety margins are sufficient e g with suspended mounting Mount the enclosed shock protectors see section 3 3 2 Their soft rub ber compound absorbs hard impacts Fig 3 3 Sensor with mounted shock protectors ba76132e01 03 2013 3 3 Commissioning NiCaVis 70x IQ NI 3 3 2 Mounting the shock protectors The shock protectors consist of two rings a cap and four cable ties To mount the shock protectors proceed as follows Sensor with mounted shock protectors Fig 3 4 Mounting the shock protectors 1 Plug the cap pos 2 in Fig 3 4 one of the two rings pos 1 2 Put the assembled unit on the sensor end and fix it with 2 cable ties pos 3 as shown in Fig 3 4 3 Put the second ring on the cable end of the sensor and fix it with the remaining two cable ties in the same way 76132 01 03 2013 NiCaVis 70x IQ NI Commissioning Connection cable Are the plug connections dry 3 3 3 Connecting the sensor to the IQ SENSOR NET A sensor connection cable of the SACIQ or SACIQ SW type is required to connect the sensor The cable is available in different lengths Compared to the standard model SACIQ
35. on 96 Approx 3 8 kg without shock protectors and without sensor connec tion cable Approx 4 8 kg with shock protectors but without sensor connection cable Connection via SACIQ SW sensor connection cable Sensor shaft Titan Grade 2 Center piece PEEK End cap PEEK Measurement window Sapphire Plug head connector housing POM Plug 3 pole ETFE blue Tefzel Protection ring POM 10 50 14 122 F 76132 01 03 2013 Technical data NiCaVis 70x IQ NI Instrument safety Applicable norms EN 61010 1 UL 61010 1 CAN CSA C22 2 61010 1 IEC 62471 Test certificates cETLus CE m Conforms to ANSI UL 61010 1 Certified to CAN CSA 22 2 61010 1 C LISTED Intertek 2001759 8 4 Electrical data Nominal voltage Max 24VDC via the IQ SENSOR NET for more details see chapter TECHNICAL DATA of the IQ SENSOR NET sys tem operating manual Power consumption 8 W Protective class 8 6 ba76132e01 03 2013 NiCaVis 70x IQ NI Indexes 9 Indexes 9 1 Explanation of the messages 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 NiCaVis 70x IQ NI Information on the contents and structure of the log book and the struc ture of the message code is given in the LOG BOOK chapter of the
36. orrel SAC 254 total e SAC 254 dissolved e UVT 254 Measuring location NiCaVis 701 IQ NI Measurement location or application of e Activation the sensor e Inlet e The possible measurement loca tions are displayed depending on the e Outlet currently set measuring mode NiCaVis 705 IQ NI The sample matrix on which the cal Outlet culation of the measured value is permanently set based changes with the location of the sensor Measuring range Display of the measuring range see chapter 8 TECHNICAL DATA Cal raw value 7 Cal ref value 1 Cal raw value 2 Cal ref value 2 Value pairs of the user calibration see section 4 3 2 Note Leave those values unchanged during the initial commission ing 76132 01 03 2013 NiCaVis 70x IQ NI Commissioning Menu item Settings Explanations Main sensor Information that there are further sen sor overlapping settings in the setting menu of the relevant main sensor Meas interval Cleaning duration Sig nal smoothing etc Save and quit The system confirms the saving of the settings and the display switches to the next higher level Quit The display switches to the next higher level without saving the new settings Terminal PC 26 Oct 2011 11 03 g ALS 502 Carbollis700 510 03030046 Heasuring mode Entire COO spectr Heasuring range O 2500 mg l Cal if raw value 1 0 00 Cal ref val
37. raw value is displayed on the right side of the measured value in the measured value display Spectral absorption coefficient at a certain wavelength The SAC 254 value is a measure of the contents of organic compounds Distribution of the absorbance depending of the wavelength With the aid of the zero adjustment and user calibration the measured values are calculated from the spectrum Abbreviation for total organic carbon Total amount of organically bound carbon in water Transmission measurement at a certain wavelength The UVT 254 value is standardized to 10 mm gap width 10 2 76132 01 03 2013 NiCaVis 70x IQ NI Contact Information 11 Contact Information 11 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 11 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 80
38. registers on the system under the designation NiCaVis 70x IQ NI and the series number of the physical sensor All other sensors for nitrite nitrate measurement or carbon measure ment are virtual sensors You register on the system under the designation NiCaVis 70x IQ NI and the series number of the physical sensor Some settings and functions are sensor overlapping Sensor overlap ping settings are generally edited in the setting menu of the main sen sor These are the most important sensor overlapping settings and func tions e Measuring location Times of the measuring cycle Meas interval Cleaning duration Adjustment phase etc e Signal smoothing Details on sensor overlapping functions are given in the following section 76132 01 03 2013 NiCaVis 70x IQ NI Commissioning Measuring cycle Carrying out settings i 3 4 3 Settings for the main sensor A measuring cycle consists of the cleaning procedure the adjustment time for the measuring system and the determination of the measured value The following graphic demonstrates the relevant settings Measuring cycle o par c o E E lt Measurement Cleaning Measuring interval Fig 3 6 Measuring cycle of the UV sensor Using lt S gt 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 procedure is described in detail in
39. s see section 4 1 User calibration see section 4 3 2 Sensor check Zero adjustment see section 4 3 3 An overview diagram of the calibration procedures can be found on page 4 9 User calibration With a user calibration you compensate for the influence of the test sample The user calibration requires a successful Sensor check H2O dest and a valid Zero adjustment We recommend to check the current user calibration against indepen dent comparison measurements if you suspect a basic change of the characteristics of the test sample If the comparison measurements show clear deviations these can be compensated by a user calibration Recalibration after changing the measuring location and the setting Measuring location was changed we recommend to carry out a Sensor check H20 dest and if the Sensor check H20 dest was not successful an additional Zero adjustmentif necessary with a subse quent user calibration 1 Each time after the application or measurement location troller and thus assigned to the measuring location not to the sensor The data of the user calibration are stored in the IQ SENSOR NET con i The calibration data of the Zero adjustment are stored in the sensor 76132 01 03 2013 4 3 Measuring Operation NiCaVis 70x IQ NI Sensor check 2 dest lil Zero adjustment lil Sensor check standard The characteristics of a sensor and thus the meas
40. s moist to prevent already dissolved contamination and detergents from drying working wet on wet Finally thoroughly rinse off all remaining cleaning agents with ultrapure water If the sensor from example 1 should be cleaned on site during a routine visual inspection and should then continue measuring a basic cleaning might possibly be sufficient The quoted examples and the following descriptions are intended to give a general guideline Due to the sensor s wide range of application the type and level of contamination can considerably vary Therefore the cleaning procedure has to be individually composed If necessary individual cleaning steps have to be changed or repeated several times until the result meets the requirements 76132 01 03 2013 NiCaVis 70x IQ NI Maintenance and cleaning Steps of the basic cleaning 5 2 3 Basic cleaning Take the sensor out of the test sample and remove any solid matter deposits and incrustation of fouling matter manually with a brush or sponge Wash the sensor down with warm tapwater 30 50 C Note Do not use a pressure washer or steam blaster If the sensor might be contaminated with pathogenic germs it should be disinfected with a surface disinfectant This also applies to the cable and mounting parts Note Follow the instruction manual of the disinfectant reac tion time Remove the blind plug or unscrew the compressed air connec tion from the
41. sensor Clean the sensor with soapy water When doing so clean the area of the measuring gap and the compressed air channels very thoroughly The compressed air channels can be cleaned with the aid of interdental brushes and rinsed with soapy water from a wash bottle Soak the flocked cleaning cards with soapy water and use them to clean the measuring gap as shown in the following fig ure Cut suitable strips off the cleaning card to clean the bottom of the measuring gap Then rinse the sensor with running warm tapwater and finally with a lot of ultrapure water Finally wipe the measurement window with a lens tissue After completing the cleaning procedure screw in the blind plug or compressed air connection 76132 01 03 2013 Maintenance and cleaning NiCaVis 70x IQ NI 5 2 4 Cleaning the measuring gap To remove lime or grease deposits use the flocked cleaning cards together with the following detergents Contamination Cleaning agents Lime deposits Hydrochloric acid 5 96 for analysis Grease deposits Mixture of isopropanol and water approx 70 isopropanol made of 7 volume parts isopropanol for analysis and 3 volume parts ultrapure water Proceeding Start by removing any lime deposits Soak a flocked cleaning card with the relevant detergent and use it to clean the measuring windows according to step 6 in section 5 2 3 BASIC CLEANING If necessary leave the cleani
42. t is visibly damaged e g after being transported it was stored under adverse conditions for a lengthy period of time storing conditions see chapter 8 TECHNICAL DATA ba76132y01 03 2013 NiCaVis 70x IQ NI Commissioning Software statuses of the controller and terminal components For cleaning with compressed air via a relay 3 Commissioning 3 1 IQ SENSOR NET system requirements The operation of the NiCaVis 70x IQ NI requires the following software versions in the IQ SENSOR NET e DIQ S 182 Controller software Version 3 45 or higher MIQ MC2 Controller software Version 3 37 or higher MIQ TC 2020 XT Controller software Version 3 37 or higher IQ Software pack Software version Version 1 00 or higher CONNECT MIQ CR3 Software version Version 2 88 or higher MIQ R6 Software version Version 2 88 or higher MIQ CHV PLUS Software version Version 2 88 or higher DIQ S 182 XT Software version Version 3 44 or higher 3 2 Scope of delivery of the NiCaVis 70x IQ NI The following parts are included in the scope of delivery of the NiCaVis 70x IQ NI UV sensor Sensor sleeve Shock protectors Operating manual 76132 01 03 2013 Commissioning NiCaVis 70x IQ NI Horizontal installation 3 3 Installation 3 3 1 Mounting the sensor Note The sensor is an optical precision instrument that is to be protected against shocks Make sure the distances to th
43. t the relevant value e g the displayed value differs as little as possible from the correct value or a value that is regarded as correct or that the difference remains within the tolerance Comparing the value from a measuring system e g the displayed value to the correct value or a value that is regarded as correct Often this expression is also used when the measuring system is adjusted at the same time see adjusting Value pair consisting of the raw value measured by the UV sensor and a reference value measured e g by a laboratory determination The calibration value pairs are the result of the user calibration Mass or amount of a dissolved substance per volume e g in g L or mol L The measuring system comprises all the devices used for measuring e g measuring instrument and sensor In addition there is the cable and possibly an amplifier terminal strip and armature The measured parameter is the physical dimension determined by measuring e g pH conductivity or D O concentration With the measuring method used a correlated measured parameter correlated is not determined directly A correlated measured parameter can however be derived from a determinable measured parameter The precondition for this is that there is a reproducible interrelationship correlation between the determinable and correlated measured parameter Test sample Designation of the test sample ready to be measured ba76132e01 0
44. the IQ SENSOR NET software pack The evaluation of the status info e g in the case of an automated 1 query has to be made individually for each bit Status info Status bit Description NiCaVis 70x IQ NI Bit 0 Component hardware defective Bit 1 Component hardware defective xxx Bit 2 Optical measuring range exceeded Bit 3 31 76132 01 03 2013 9 5 Indexes NiCaVis 70x IQ NI 76132 01 03 2013 NiCaVis 70x IQ NI Appendix Glossary Resolution BSB BOD CSB COD DOC Absorbance Absorption Adjusting Calibration Calibration value pair Concentration Measuring system Measured parameter Measured parameter 10 Appendix Glossary Smallest difference between two measured values that can be displayed by a meter Abbreviation for the Biochemical Oxygen Demand The biochemical oxygen demand of the amount of oxygen required by microorganisms in order to aerobically decompose organic substances in an aqueous solution Abbreviation for the Chemical Oxygen Demand The chemical oxy gen demand is the equivalent amount of oxygen that is required for the complete oxidation of the organic major part and anorganic minor part substances in an aqueous solution Abbreviation for dissolved organic carbon Concentration of dissolved organically bound carbon in water Attenuation of the light beam when it penetrates the sample To manipulate a measuring system so tha
45. the SACIQ SW sensor connection cable is optimized regarding its corrosion resistance in seawater and brackish water and adapted for use in conjunction with the NiCaVis 70x IQ NI Information on this and other IQ SENSOR NET accessories is given in the YSI catalog and on the Internet How to connect the SACIQ SW sensor connection cable to the termi nal strip of an MIQ module is described in chapter 3 INSTALLATION of the IQ SENSOR NET system operating manual Before connecting the sensor and sensor connection cable please 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 Do not suspend the sensor on the sensor connection cable but use the suitable mounting equipment Information on this and other IQ SENSOR NET accessories is given in the YSI catalog and on the In ternet 76132 01 03 2013 Commissioning NiCaVis 70x IQ NI Connecting the sensor to the sensor connection cable Take the protective caps off the plug connections of the sensor and the SACIQ SW sensor connection cable and keep them safe 2 Plug the socket of the SACIQ SW 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 socket 3 Then screw the coupling ring 2 of the sensor
46. u eru EIE XE 7 1 8 1 8 1 8 1 Measurement characteristics 8 1 8 2 Application conditions 8 3 83 data 8 5 84 Electrical data 8 6 9 M HE WERE EL 9 1 9 1 Explanation of the messages 9 1 9 1 1 Error messages 9 2 9 1 2 Info messages 9 4 9 2 9 5 10 Appendix Glossary 10 1 11 Contact Information 11 1 11 1 Ordering amp Technical Support 11 1 11 2 Service 11 1 0 2 ba76132y01 03 2013 NiCaVis 70x IQ NI Overview Overview How to use this component operating manual 1 1 1 Structure of the IQ SENSOR NET 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
47. u item is only available with Cleaning mode On The duration of the cleaning procedure is defined in the sensor for all cleaning types Note The duration of the cleaning pro cedure with air can be adjusted for the linked relay in the menu 750 Settings of outputs and links Relay function Sensorgesteuert Pulsdauer Please note the software requirements for the MIQ CR3 MIQ R6 MIQ CHVP lus DIQ S 182 relays see section 3 1 Save and quit The system confirms the saving of the settings and the display switches to the next higher level Quit The display switches to the next higher level without saving the new settings 76132 01 03 2013 Commissioning NiCaVis 70x IQ NI Carrying out settings 3 4 4 Settings for virtual sensors Using S 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 procedure is described in detail in your IQ SENSOR NET system operating manual Default values are marked in bold Menu item Settings Explanations Measuring mode e NO3 N The measured parameter is displayed NitraVis 70x IQ NI e NO3 in the selected citation form e NO2 N e NO2 Measuring mode COD spectr total The measured parameter is displayed CarboVis 70x IQ NI amp cop spectr dissolv in the selected citation form e 7 spectr correl e BOD spectr correl DOC spectr c
48. ue 1 0 00 Cal raw value 2 10 00 Cal ref value 10 00 Further settings Hitrallis SNOSO90046 Save and quit Quit Select setting Fig 3 7 140 Settings of sensors and diff sensors virtual sensor ba76132e01 03 2013 Commissioning NiCaVis 70x IQ NI 3 14 76132 01 03 2013 NiCaVis 70x IQ NI Measuring Operation 4 Measuring Operation 4 1 Determination of measured values Physical sensor series number xxx Absorbance spectrum of zero adjustment Absorbance spectrum of measurement Virtual sensor software Virtual sensor meas mode algorithm Virtual sensor raw value User calibration data of main sensor of virtual sensor Meas value of main sensor Meas value of virtual sensor IQ Sensor Net Fig 4 1 Determination of measured values Main sensor meas mode algorithm Main sensor raw value User calibration data During a measurement the absorbance spectrum of the test sample is recorded and set against the stored absorbance spectrum of a zero adjustment measurement in ultrapure water The algorithm for the calculation depends on the selected application and or the measuring location The resulting raw value can be adjusted to an independent reference measurement with the aid of a so called user calibration ba76132e01 03 2013 Measuring Operation NiCaVis 70x IQ NI Measured value display Factors affecting the measured value 4 2 M
49. ured values provided by it change in the course of time The reasons for this can be the aging of the sensor or contamination or mechanical damage of the sensor Contamination or mechanical damage in the area of the measuring chamber or on the measurement windows affect the measured values In UVspectroscopy very small contamination that is not visible to the eye can considerably affect the measured value The proper and thorough cleaning of the sensor is the basis for reliable measurement data A Sensor check H20 dest determines the condition of the UV sensor By checking the sensor with the aid of the Sensor check H20 dest you can rapidly see any changes of the sensor and whether it needs to be cleaned or if any other actions have to be taken A Sensor check H2O dest should be carried out twice per year at regular intervals An extraordinary Sensor check H20 dest should be carried out if you suspect that the sensor has been damaged such as by mechanical shock or if the measured values do not seem plausible While the Sensor check H20 dest just determines the current state of the sensor a Zero adjustment can be used to compensate for changes of the sensor A zero adjustment can be required if for example the Sensor check H2O dest is not successful even after the sensor was thoroughly cleaned The sensor should always be very thoroughly cleaned prior to a zero adjustment If the Zero adjustment is not successful
50. within the measuring range see operating manual Enter value pairs in ascending order Operational voltage too low Check installation and cable lengths Follow installation instructions Power supply module s overloaded add power supply module 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 supply module s overloaded add power supply module s Check terminal and module connections Defective components replace components Humidity to high in sensor Contact service Failure optical measurement dev ation to calibration for reference channel too high Contact service Failure optical measurement hardware lamp Contact service 76132 01 03 2013 NiCaVis 70x IQ NI Indexes Message code ES5541 ES6541 ES7541 Message text Failure optical measurement hardware Contact service Failure optical measurement software Contact service Failure optical measurement software BIOS Contact service 76132 01 03 2013 Indexes NiCaVis 70x IQ NI Message code IAC541 3541 1 4541 IC5541 IC6541 9 1 2 Info messages Message text Zero adjustment was successfully carried out Carry out sensor check If required carry out new user calibration The factory zero adjustment was activated
51. your IQ SENSOR NET system operating manual A change of the following settings will take some time up to a few min utes until it can be seen in the measured value display e Measuring mode e Measuring location e Number of N sensors e Number of C sensors Further changes can only be made when the last changes are visible in the measured value display Default values are marked in bold Menu item Settings Explanations Measuring mode e NO3 N The measured parameter is displayed e NO3 in the selected citation form When changing the Measuring mode e NO2 N setting always check the Measuring e NO2 location setting ba76132e01 03 2013 3 9 Commissioning NiCaVis 70x IQ NI Menu item Settings Explanations Measuring location NiCaVis 701 IQ NI Measurement location or application of e Activation the sensor Jnist e The possible measurement loca tions are displayed depending on the e Outlet currently set measuring mode NiCaVis 705 IQ NI The sample matrix on which the cal Outlet culation of the measured value is permanently set based changes with the location of the sensor When the measurement location is changed all virtual sensors are deleted Measuring range Display of the measuring range see chapter 8 TECHNICAL DATA Cal raw value 7 Cal ref value 1 Value pairs of the user calibration see section 4 3 2 Note Leave those values unchanged during the initial

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