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S E N S O RT E C H N O L O G Y ProMinentDULCOTEST
Finely tuned for precision and reliability:in water-based solutionsand for determining totalfree chlorine diaphragm covered dualand triple electrode probesfor the measurement ofperacetic acid and H2O2 PT 100/1000 temperaturesensorSensor technology is aboveall a matter of trust .and in areas where processestake place under high-techconditions it is imperative thatanalysis is completely reliable.The importance of precisionand reliability cannot be overemphasised in these areas,and this emphasis must bemirrored in the actual production of the sensors themselves.ProMinent have never underestimated this challenge.Decades of experience andinternationally recognisedexpertise in measuring andcontrol technology has resulted in the continual improvement of manufacturing pro-when preparing the glass forpH sensitive diaphragms. Theimportant factors here are lowimpedance, minimum acidand alkali errors, temperatureresistance and above all, theexperience and expertise of aleading manufacturer.nel and machinery approachthis challenge with a fresh eye.Another thing to think about –and a very recent example –the choice of the diaphragmfor the reference electrodesdetermined the measuringaccuracy, and thereby thereliability, of the whole process.Production know-howacross a complete rangeof sensorscesses and constant qualitycontrol at every stage ofmanufacture.Accuracy is ensured by ourchoice of application-specific materials.Our expertise in materials isjust one important factor: e.g.High tech glass blowing is of the utmost importance when producing stableglass diaphragms. The electrodes and platinum wireshave to be fused, completelyfree from stresses or hairlinecracks. Each day our person-DULCOTEST sensor technology incorporates the following single probes for the measurement of pH and redox diaphragm-covered dualelectrode probes for themeasurement of chlorine,chlorine dioxide and ozone inductive conductivity andconductivity measurementsensorsDULCOTEST sensor technology, incorporating ProMinent dosing pumps and measuringand control equipment, isconsistently the state of theart for water treatment andprocess technology – singlesourced reliability and accuracy!
DULCOTEST Sensor Technology - measuring accuracy movesup to a higher plane! giving you the informationyou need: every time!ProMinent offers you fourreliable measurementsystems for water treatmentand process technology.Controlled production, precision measurement, simpleoperation and the minimumof maintenance requirementsare all common denominators of: distances – they transformthe sensor signal into an interference-resistant 4-20 mAsignal. A wide range of pHelectrodes is offered, to suitall conceivable applications.wire transducers, and onceagain a wide range of reference electrodes is offered tosuit your particular application.The potentiometric sensors’tubular case makes them2. Amperometric analysisConcentrations of chlorine,chlorine dioxide, ozone,hydrogen peroxide and peracetic acid are determinedamperometrically, i.e. using aminute (nano-ampere range)current.Potentiometric analysisAmperometric analysisConductivity measurementTemperature measurement1. Potentiometric analysisFor the potentiometric, i.e.virtually current-free measurement of pH value and redoxpotential.pH measurement is carriedout by a selective glass electrode and a counter electrode. The electrodes are bothhoused in a compact andeasy-to-use single probe.Specially designed two-wiretransducers carry out the datatransfer, even over largeDULCOTEST probes for precisemeasurement of pH valuesA platinum electrode for themeasurement of redoxpotential is located, togetherwith the reference electrode,inside the single probe. Theseare again equipped with twoDULCOTEST sensors for accurate measurement of redox potentialuniquely portable and alsoprotects against drying out.When electrodes are spent,simply return them to us andwe will take care of the recycling – as expected of anymanufacturer these days!DULCOTEST chlorine, chlorinedioxide and ozone probes guarantee the highest standard of measurement precision
Dual or triple electrode probes are used for this process.These consist of a gold orElectrode housing for safe storage and transportplatinum collector and acounter electrode. The tripleelectrode model contains anadditional reference electrode. The electrodes areseparated from the measuringmedium by a speciallydesigned diaphragm - this isan important requirement tomaintain, for instance, a stable zero point and to protectagainst materials which wouldotherwise interfere with thereadings. Further advantagesof the twin wired diaphragmcovered probes includeminimal interference, simpleinstallation, minimal maintenance requirements, economical to use, rapid analysis andaccurate data transfer.ProMinent produce dual electrode probes for this task,with or without an integratedtemperature facility (PT 100/1000). A comprehensiverange of inductive and conductive probes, with differentcell constants and materialvariants are available to choose from. You choose the onewhich suits your processrequirements.Conductivity measurementprobes are also fitted withspecially designed two-wiretransducers providing accurate data transfer, even overlarge distances.4. Temperature MeasurementThe ProMinent PT 100/1000resistance thermometerequipped with twin wire transformers carries out temperature measurements.Modular in-line probe housing for optimum by-pass measurements and everything to gowith them!In addition to the probes, weoffer a comprehensive package of accessories for theinstallation, calibration, maintenance and service of thesensors. From modular in-lineprobe housings for tankbypass installations, throughDULCOTEST conductivitymeasurementprobeThe ProMinent range coverschlorine probes, ozone,chlorine dioxide, H2O2 andperacetic acid probes –each with several differentmeasurement ranges.3. Conductivity MeasurementFor measuring electrolyticcapacity.DULCOTEST probesenable the continuousmeasurement of H2O2and peracetic acidmeasuring tube combinationsand buffer solutions, right upto the transformers: plusflawless service!
Quality assurance can never be underestimated!Hard testing - the best preparation for hard practice!Before DULCOTEST sensorsare delivered to you theyundergo the most strenuoustests. We test every part forcorrect functioning to ensurethat each one is fully operational and conforms toProMinent standards. Noteven the tiniest flaw can goundetected by the tests andexaminations we have designed, because you are entitled to complete confidencein the product.Hours and days on the teststandEvery pH and redox electrodeis tested twice, for example.Once straight after productionand then again 14 days later –in this way we avoid glassspecific production problems.All important test results –e.g. zero point and slopeconductance – from everyDULCOTEST pH sensor islogged and statisticallyanalysed.The amperometric probes areplaced under 24 hour stresstests. The objective is toanalyse the precision of themeasurement under specificapplication conditions.The reason why every singleelectrode is so thoroughlytested before delivery is soElectrode container plus recycling box for environmentally-friendly disposalthat we can give the uncompromising quality assurancewhich our customers need:Ag/AgCl contact is usedinstead of the poisonouscalomel electrode.DULCOTEST sensors haveto function for long periodswithin a chain of processcomponents. No ifs or buts!The most modern productiontechnology saves raw materials on the one hand, andcares for the environment onthe other: pH and redox probes are delivered to you ineco-packaging, which comesstraight back to us, as wetake responsibility for theenvironmentally-friendly disposal of your spent sensors.Not the least importantvariable: the environmentAs in production technologyso in waste disposal – environmental aspects are a toppriority at ProMinent. Takematerials, for instance: in thereference system for pH andredox single probe meters anTaking responsibility for quality and for environmentalsustainability is a claim thatyou can and should make ofProMinent, beyond merelylegal requirements.
Proportional Measuring – at a glance!Measurement – control –dosing: the circle iscomplete!DULCOTEST sensor technology is completed by thefull ProMinent range.DULCOMETER measuringand control plant, electronically controlled solenoiddosing pumps, and completeplant for disinfection filtration,polymer preparation anddosing – the circle is com-plete. Modular componentsystems, the expertise andservice that comes fromdecades of experience, andwhich is expected of a worldwide operation: continualreliability and quality from onesource: from ProMinent!DULCOMETER measuring and control plant and DULCOTEST sensors –designed to work in harmonyDULCOTEST sensor technology at a glancevaluerangepressuretemperature typical applicationpH valuepH 0 . 12pH 1 . 12max. 16 barmax. 100 Cswimming pools, aquariums, potable water, industrial water,laboratories, waste water neutralisation/detoxification,foodstuffs, electroplating, chemical process technologyredox potential-1000 . 1000 mVmax. 16 barmax. 100 Cswimming pools, potable water, industrial water, detoxification, electroplating, chemical process technologytemperature0 . 100 Cmax. 10 barmax. 100 Cprocess technology, correcting pH value, conductivity,peracetic acid and H2O2conductivity0 . 1000 mS/cmmax. 16 barmax. 150 Ccooling water, potable water, desalination of sea water,industrial water, process water, waste water, CIP plant,product control, concentration measurementfree chlorine0 . 0.5/2/10/20/50 ppmmax. 1 bar5 - 45 Cswimming pool, potable water, industrial waterprocess waterorganic chlorine0 . 2/10 ppmmax. 3 bar5 - 45 Cswimming pool, cooling watertotal chlorine0 . 0.5/2/5/10 ppm max. 3 bar5 - 45 Cpotable water, swimming pools0 . 0.5/2/10 ppmmax. 3 bar5 - 45 Cpotable water, industrial water, process waterozone0 . 2 ppmmax. 1 bar5 - 45 Cswimming pools, potable water, industrial water,process waterH2O21 . 20/10 . 200/100 . 2000 ppmmax. 2 bar0 - 40 Cgas scrubbers, raw water sanitation, potable water,industrial water, cooling water, dechlorination, foul water,swimming pool, textiles, biotechnologyperacetic acid10 . 200/100 . 2000 ppmmax. 2 bar5 - 35 Cdrinks, cosmetics, pharmaceutical and medical industriesSubject to technical alterations.Printed in Germany / PT DT 006 12/00 GBAddresses and delivery informationfrom the manufacturer:ProMinent Dosiertechnik GmbHIm Schuhmachergewann 5-11D-69123 HeidelbergPostfach 10 17 60 · D-69007 HeidelbergPhone: 49 (6221) 842-0Fax: 49 (6221) 842-419info@prominent.de · www.prominent.deProMinent chlorine dioxide
and triple electrode probes for the measurement of peracetic acid and H 2O 2 PT 100/1000 temperature . and control equipment, is consistently the state of the art for water treatment and process technology – single sourced reliability and accu- . 45 C potable water, industrial water, process
