Overview UV 70x IQ NOx Overview How to use this component operating manual Structure of the IQ S IQ Sensor Net Operating Manual ENSOR operating manual System Operating Manual (Ring Binder) IQ Sensor MIQ Module MIQ Terminal Operating Operating Operating Manual Manual Manual...
Overview UV 70x IQ NOx Field of application The sensor UV 70x IQ NOx is an online sensor for the on-site determination of nitrate (nitrite-nitrogen is also included in the measurement result). The range of application comprises control, feedback control and monitoring. Measuring location e.g.
Overview UV 70x IQ NOx Structure of the sensor UV 70x IQ NOx The sensor has 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.
Safety UV 70x IQ NOx Safety 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 sensor so you can always find the infor- mation you need.
Safety UV 70x IQ NOx Safe operation 2.2.1 Authorized use The authorized use of the UV 70x IQ NOx consists of its use as a sensor in the IQ S . Only the operation and running of the sensor according to the ENSOR instructions and technical specifications given in this operating manual is autho- rized (see chapter 8 T...
Commissioning UV 70x IQ NOx Commissioning IQ S system requirements ENSOR Software versions of The operation of the UV 70x IQ NOx requires the following software versions in the controller and the IQ S ENSOR terminal components DIQ/S 28X Controller software: Version 3.72 or higher ...
Commissioning UV 70x IQ NOx Installation 3.3.1 Mounting the sensor NOTE The sensor is an optical precision instrument that should be protected against shocks. Make sure that the distances to the wall, bottom and other installation surroundings are sufficient. If necessary, protect the sensor from hitting with the protective ring provided.
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Commissioning UV 70x IQ NOx Vertical installation For vertical installation, mount the sensor in a position that allows interfering ele- ments in the measuring gap to escape with the current. In the case of vertical installation, the minimum flow rate is 0.2 m/s so the measuring gap is kept clean optimally.
Commissioning UV 70x IQ NOx 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 Plug the cap (pos.
Commissioning UV 70x IQ NOx 3.3.3 Connecting the sensor to the IQ S ENSOR Connection cable 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, 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 UV 70x IQ NOx.
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Commissioning UV 70x IQ NOx Connecting the Take the protective caps off the plug connections of the sensor and the sensor to the sensor SACIQ (SW) sensor connection cable and keep them safe. connection cable Plug the socket of the SACIQ (SW) sensor connection cable onto the plug head connector of the sensor.
Commissioning UV 70x IQ NOx Initial commissioning 3.4.1 General information CAUTION Never look into the measuring window or put objects into the measuring 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.
Commissioning UV 70x IQ NOx 3.4.2 Settings Measuring cycle A measuring cycle consists of the cleaning procedure, the adjustment time for the measuring system and the determination of the measured value. The follow- ing graphic demonstrates the relevant settings: Measuring cycle Time Measuring interval...
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Commissioning UV 70x IQ NOx Menu item Settings Explanations Measuring range Display of the measuring range (see chapter 8 T ECHNICAL DATA Cal - # raw value 1 Value pairs of the user calibration (see section 4.3.2). Cal - ref. value 1 Cal - # raw value 2 Cal - ref.
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Commissioning UV 70x IQ NOx Menu item Settings Explanations Cleaning duration Air 0,5 ...10 ... 300 s This menu item is only available with: Cleaning type Cleaning type Ultrasound+air For this setting to come into effect, the Settings of outputs and links setting Relay function Sensor controlled...
Measurement / Operation UV 70x IQ NOx Measurement operation CAUTION Never look into the measuring window or put objects into the measuring 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.
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Measurement / Operation UV 70x IQ NOx measured value at different points (see section 4.1): User calibration (see section 4.3.2) Zero adjustment Sensor check/ (see section 4.3.3). An overview diagram of the calibration procedures can be found on page 4 - 28. User calibration Due to the measuring principle, no user calibration is required for the parame- NO3-N...
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Measurement / Operation UV 70x IQ NOx The sensor should always be very thoroughly cleaned prior to a zero adjustment. Zero adjustment If the is not successful, the sensor is blocked for measurement. Zero adjustment A successful is required for the determination of measured val- ues.
Measurement / Operation UV 70x IQ NOx 4.3.2 User calibration Calibration points The adjustment is carried out at one or two points within the measuring range. and value pairs A value pair is determined at each point. Each value pair consists of the raw value of the UV 70x IQ NOx sensor and the corresponding reference value.
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Measurement / Operation UV 70x IQ NOx Performing a user Proceed as follows if you want to perform a user calibration: calibration Bring the sensor into the measuring position. Switch to the measured value display with <M>. Use <> to select the UV 70x IQ NOx sensor. Maintenance condition: Call up calibration with <C>.
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Measurement / Operation UV 70x IQ NOx The entry of calibration values outside the measuring range leads to a calibration error. Default values are marked in bold. Menu item Settings Explanations Cal - # raw value 1 -10000,00 ... 0,00 ... 5000,00 Raw value of the first value pair (lower concentration).
Measurement / Operation UV 70x IQ NOx Zero adjustment 4.3.3 Sensor check/ NOTE The sensor check or Zero adjustment must be carried out under absolutely clean conditions. If you do not work carefully enough the Zero adjustment can deteriorate the measuring quality. Ultrapure water As ultrapure water exclusively use distilled or deionized water that is suitable for (H2O dist.)
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Measurement / Operation UV 70x IQ NOx Flowchart Cleaning the sensor Sensor check TEST: MEASUREMENT WINDOWS (H2O dist.) Clean the measurement windows Assessment number Rinse the measuring chamber -40 ... +40 < -40 or with ultrapure water several times > +40 Carry out a sensor check (H2O) After cleaning several times without significant change of...
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Measurement / Operation UV 70x IQ NOx Zero adjustment Preparing the Prepare the sensor check or as follows: sensor check or Zero adjustment Switch to the measured value display with <M>. Use <> to select the UV 70x IQ NOx sensor. Maintenance condition: Call up calibration with <C>.
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Measurement / Operation UV 70x IQ NOx Measuring chamber Sensor sleeve Fig. 4-4 Putting the sensor sleeve on the sensor Put the sensor in a horizontal position on a firm and vibration-free sur- face. Turn the filling opening of the sensor sleeve upward (Fig. 4-4). Rinse the measuring chamber with ultrapure water at least 3 times.
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Measurement / Operation UV 70x IQ NOx Start measurement Confirm each checklist with <OK> until the display appears. Up to this point, you can break off the calibration procedure at any time with the <ESC> key. The system continues to work with the old calibration data.
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Measurement / Operation UV 70x IQ NOx 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. Zero adjustment To do so, select the setting in the sensor settings Factory User...
Maintenance and cleaning UV 70x IQ NOx Maintenance and cleaning Maintenance The UV 70x IQ NOx sensor operates maintenance-free. 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 –...
Maintenance and cleaning UV 70x IQ NOx 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 biological deposits.
Maintenance and cleaning UV 70x IQ NOx 5.2.3 Basic cleaning Steps of the basic Take the sensor out of the test sample and remove any solid matter cleaning deposits and incrustation of fouling matter manually with a brush or sponge. Wash the sensor down with warm tapwater (30 - 50 °C).
Maintenance and cleaning UV 70x IQ NOx 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 % for analysis Grease deposits Mixture of isopropanol and water (approx.
Spare parts, maintenance equipment, accessories UV 70x IQ NOx Spare parts, maintenance equipment, accessories General Description Model Order no. accessories, Calibration sleeve VIS/CV 481 074Y replacement parts 20 flocked cleaning cards for cleaning the VIS/CT 481 071Y measuring gap Cleaning set: VIS C/SET 481 079Y –...
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Spare parts, maintenance equipment, accessories UV 70x IQ NOx Mounting Description Model Order no. accessories Mounting set for horizontal installation with VIS Set/EH 481 073Y EH/F 170 swing mounting assembly Set for the mounting of UVVIS/SAC/NOx VIS Set/F 481 080Y sensors to the S 200 electrode floater Flow-through armature VIS FT-1...
What to do if... UV 70x IQ NOx What to do if... "----" display Cause Remedy (invalid measured – User calibration values entered – Correct the entry and enter once value) incorrectly again (section 4.3.2) Sensor check (H2O dest.) – * –...
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What to do if... UV 70x IQ NOx Drifting measured Cause Remedy values – Cleaning efficiency too low - mea- – Clean the measurement windows surement windows becoming (section 5.2.4) more and more contaminated – Use other cleaning method – Select different measurement loca- tion –...
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What to do if... UV 70x IQ NOx Cause Remedy – Measurement windows dirty – Clean the measurement windows ERROR Display of Cause Remedy – Sensor not correctly connected – Check the assignment of the termi- nal connections – Load at a power supply module –...
Technical data UV 70x IQ NOx Technical data Measurement characteristics Measuring principle Absorption measurement; integrated microprocessor electronics, shielded 2- wire connection for power and data transmission. Measuring gap UV 701 IQ NOx 1 mm (optical layer UV 705 IQ NOx 5 mm thickness) NO3 measurement...
Technical data UV 70x IQ NOx Pressure resistance Sensor with connected SACIQ (SW) sensor connection cable: Max. admissible overpressure 105 Pa (1 bar) The sensor meets all requirements according to article 3(3) of 97/23/EC ("pres- sure equipment directive"). Type of protection Sensor with connected SACIQ (SW) sensor connection cable: IP X8, 1 bar (10 Immersion depth...
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Technical data UV 70x IQ NOx Materials Sensor shaft Titan Grade 2 Center piece PEEK End cap PEEK Measurement window Sapphire Plug head connector housing ® Plug, 3-pole ETFE (blue) Tefzel Protection ring Storage - 10 °C ... + 50 °C (14 ... 122 °F) temperature Meter safety Applicable norms...
Technical data UV 70x IQ NOx Electrical data Nominal voltage Max. 24VDC via the IQ S (for more details, ENSOR see chapter T of the ECHNICAL DATA IQ S system operating manual) ENSOR Power consumption (maximum power consumption) 3.5 W (medium power consumption) If the system is supplied with power via a MIQ/WL PS o DIQ/S 28X, only the...
Indexes UV 70x IQ NOx Indexes 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 S system for the ENSOR UV 70x IQ NOx sensor. Information on the contents and structure of the log book and the structure of the message code is given in the L chapter of...
Indexes UV 70x IQ NOx 9.1.1 Error messages Message code Message text Sensor temperature too high! EA2541 * Check process and application Sensor temperature too low! EA3541 * Check process and application Optical measuring range exceeded EAF541 * Check process (TSS or measured value too high) * Select measuring location free of air bubbles * Remove foreign matter from measuring gap * Clean sensor...
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Indexes UV 70x IQ NOx Message code Message text Overflow optical measurement ES4541 * Execute zero ajustment Failure optical measurement: hardware ES5541 * Contact service Failure optical measurement: software ES6541 * Contact service Failure optical measurement: software BIOS ES7541 * Contact service ba76170e02 05/2017...
Indexes UV 70x IQ NOx 9.1.2 Informative messages Message code Message text Calculation of negative concentrations IA23Ax * Perform user calibration or check user calibration Zero adjustment was successfully carried out IAC541 * Carry out sensor check * If required, carry out new user calibration Factory calibration has been activated.
Indexes UV 70x IQ NOx 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. 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 0 0 0 0 0 0 0...
Appendix: Glossary UV 70x IQ NOx Appendix: Glossary Absorbance (Absorp- Attenuation of the light beam when it penetrates the sample. tion) Adjusting To manipulate a measuring system so that 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.
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Appendix: Glossary UV 70x IQ NOx Resolution Smallest difference between two measured values that can be displayed by a meter. Sample matrix Composition of the test sample of different individual substances. Test sample Designation of the test sample ready to be measured. Ultrapure water (H2O Ultrapure water is distilled or deionized water suitable for analysis dist.)
UV 70x IQ NOx Contact Information Contact Information 11.1 Ordering & 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@ysi.com Mail: YSI Incorporated 1725 Brannum Lane Yellow Springs, OH 45387 Internet: www.ysi.com When placing an order please have the following information available:...
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Contact Information UV 70x IQ NOx 11 - 54 ba76170e02 05/2017...
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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 1725 Brannum Lane Yellow Springs, OH 45387 Tel: +1 937-767-7241;...
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