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Operating Instructions

OUSAF44

Optical sensor with the OUA260 flow assembly for

the measurement of UV absorption

BA00416C/07/EN/18.22-00

71596229

2022-10-31

Summary of Contents for OUSAF44

Page 1: ...Products Solutions Services Operating Instructions OUSAF44 Optical sensor with the OUA260 flow assembly for the measurement of UV absorption BA00416C 07 EN 18 22 00 71596229 2022 10 31...

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Page 3: ...mounting check 14 6 Electrical connection 14 6 1 Connecting the sensor 15 6 2 Lamp voltage 15 6 3 Versions for use in hazardous areas 16 6 4 Ensuring the degree of protection 18 6 5 Post connection c...

Page 4: ...quences If necessary Consequences of non compliance if applicable Corrective action This symbol alerts you to a dangerous situation Failure to avoid this situation can result in minor or more serious...

Page 5: ...spectrum The sensor is suitable for use in a wide range of applicationsin a variety of industrial sectors such as Measurement of protein concentrations Chromatography monitoring Filtration monitoring...

Page 6: ...e damage to the eyes and skin Avoid any exposure of the eyes and skin to the unshielded product Wear suitable protective goggles to protect against UV radiation 2 5 1 State of the art technology The p...

Page 7: ...description 3 1 Sensor design 1 1 2 3 4 A0030202 1 Sensor with flow assembly OUA260 1 Cable connector 2 Lamp module 3 Flow assembly OUA260 depending on version 4 Detector module The detector and lamp...

Page 8: ...ncentration OPL Optical path length A light source emits radiation through the medium and the incident radiation is measured on the detector side Once the light has passed through a filter for wavelen...

Page 9: ...is protected against impact and moisture The original packaging offers the best protection Make sure to comply with the permitted ambient conditions If you have any questions please contact your suppl...

Page 10: ...Suite 200 Anaheim CA 92807 USA 4 4 Scope of delivery The scope of delivery comprises the following depending on the version ordered Detector and lamp module without flow assembly or Detector and lamp...

Page 11: ...ndress Hauser 11 1 2 3 7 5 4 6 3 Example of a measuring system with a photometer sensor 1 Pipe 5 Flow assembly OUA260 2 Transmitter CM44P 6 Sensor light source lamp 3 CUK80 cable set 7 CUK80 cable set...

Page 12: ...cury vapor lamp 142 5 60 Detector type Dimension B in mm inch Standard with reference rod 60 2 2 37 Easycal 69 2 70 The total length of the sensor module is derived from the lengths of the lamp the de...

Page 13: ...orbidden mounting angle 5 2 Mounting the sensor The sensors have been specifically designed so that they can be installed in the process together with a flow assembly such as the OUA260 The flow assem...

Page 14: ...bly OUA260 the flow assembly is ready mounted on the sensor upon delivery The sensor is ready for use immediately If the sensor and assembly are ordered separately you must mount the sensor as follows...

Page 15: ...WH GN B A0028385 6 OUSAF44 connecting cable A Light source lamp power supply B Signals of measurement and reference detector CM44P terminal Cable color Assignment P YE thick Lamp voltage S YE thin Det...

Page 16: ...sensors use silicon photovoltaic cells as detectors which are operated in the current mode The detectors are intrinsically safe and can be deployed in Zone 1 and Class I Division 1 environments The sa...

Page 17: ...SH 1 6 3 2 Connecting the hazardous area lamp using a junction box The hazardous area lamp EXP 1 must be connected to the transmitter using a certified junction box For versions with FM approval the...

Page 18: ...ise care when carrying out the work Individual types of protection permitted for this product impermeability IP electrical safety EMC interference immunity Ex protection can no longer be guaranteed if...

Page 19: ...e nameplate Visual inspection Are the installed cables strain relieved and not twisted Has the cable been routed without loops and cross overs Check that it is firmly seated by pulling gently Are the...

Page 20: ...hreatening if inhaled toxic if swallowed harmful if it comes into contact with skin Causes severe skin burns and severe eye damage When working with potassium dichromate always wear protective gloves...

Page 21: ...ead of potassium dichromate or D tryptophan you can also use your process medium for calibrating adjusting and for application calibration Here also produce a series of dilutions of known concentratio...

Page 22: ...sible to perform a functional test on the device without having to use calibration solutions The reference rod is screwed into the sensor detector housing thereby partially blocking the sensor light T...

Page 23: ...optical components 8 1 Maintenance schedule Maintenance and servicing intervals are based on the individual application Cleaning intervals depend on the medium Maintenance checklist Replace lamp The...

Page 24: ...mp using the software function on the transmitter Remove the lamp cable Allow the lamp to cool down 30 minutes 1 Turn the lamp module counterclockwise to remove it from the flow assembly 2 Use a 1 ope...

Page 25: ...lations for lamps containing mercury 5 Check whether the cables of the lamp module are worn or whether the reflector is damaged Inserting a new lamp When working with the lamp use a cloth for lenses o...

Page 26: ...ng and tighten it by hand 6 Mount the complete lamp module back into the flow assembly After replacing the lamp the system needs to be adjusted In addition you must reset the operating hours counter f...

Page 27: ...in the exact same way as described for replacing the mercury lamp 24 1 2 3 4 12 Replacing the reference filter 1 Screw on circuit board 2 O ring 3 Reference filter 4 Lamp holder 1 Remove both screws i...

Page 28: ...a diagnostic scan of the measurement filter is performed and the measurement filter is replaced if necessary Do not replace the filter yourself Versions with a standard detector 1 Remove the detector...

Page 29: ...surement filter into the housing The arrow on the filter indicates the direction of installation Insert the filter into the housing with the arrow pointing down 6 1 5 mm Tighten the securing screw of...

Page 30: ...ave mounted the sensor in a VARIVENT flow assembly using the CUA261 adapter refer to the Operating Instructions of the adapter for information on removal and on replacing the optical windows Removing...

Page 31: ...al window out of the assembly If the window jams apply some acetone around the window seal O ring and wait a few minutes for it to take effect This should help release the window The seal cannot be re...

Page 32: ...he shorter window length Then mount the lamp and detector on the assembly If you have changed the path length by installing other optical windows you then have to configure the measuring system approp...

Page 33: ...ease the 2 securing screws item 6 on each window ring 3 Clean the measuring gage item 1 and insert it into the assembly until it is positioned between the windows 4 Now use the path length adjuster it...

Page 34: ...t or at the factory Observe applicable standards national regulations Ex documentation XA and certificates 1 Carry out the repair according to the kit instructions 2 Document the repair and conversion...

Page 35: ...nsure conformity of the measuring point to the application This is the responsibility of the operator of the measuring point 2 Pay attention to the information in the instructions for all products par...

Page 36: ...structure 10 3 Calibration Kit OUSAF44 EasyCal retrofit kit Patented system traceable to NIST for the calibration of UV absorption sensors Order numbers 254 nm 71210149 280 nm 71210150 295 nm 71210156...

Page 37: ...160 F 11 2 3 Humidity 5 to 95 11 2 4 Degree of protection IP65 and NEMA 4 11 2 5 Electrical safety Maximum altitude 2000 m 6560 ft above MSL 11 3 Process 11 3 1 Process temperature 0 to 90 C 32 to 194...

Page 38: ...ons CUA261 BA01652C 11 4 3 Materials Sensor housing Stainless steel 316 Assembly OUA260 Technical Information OUA260 TI00418C Assembly CUA261 Operating Instructions CUA261 BA01652C Cable connector end...

Page 39: ...6 Measuring principle 8 Measuring range 36 Measuring system 10 Mounting Check 14 Mounting bracket 13 Mounting requirements 10 Mounting the sensor 13 N Nameplate 9 O Operational safety 5 P Power supply...

Page 40: ...www addresses endress com 71596229 71596229...

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