Chemitec - Serie 35 - Process Control Device Brochure

Measurementand Control The 35 series developed byChemitec is dedicated to thewater treatment and industrysectors, and enables thefollowing parameters to bemeasured:4pH/REDOX4Dissolved oxygen4Conductivity4Chlorine4Chlorine dioxide4OzoneWall-mounted version with IP66 protectionrating (144 x 144 x 120 mm)Panel-mounted version(144 x 144 x 100 mm)Panel-mounted version(96 x 96 x 133 mm) 35 series1 analogue output4Programmable for measurement.4 The limits of the outputs are freely programmable within themeasuring range.4 digital outputs4ON/OFF set point: programming the operating range(hysteresis/direction) and start/stop time 000 to 999 seconds.Alarm4Programmable for: tool faults, minimum, maximum, set pointdelay, stay time (live check).4Delay time: 00:00 to 59:99 mm:ss with a minimum intervalof 15 sec.4Stay time 00:00 to 99:99 hh:mm4Set point deactivation (in case of alarm):Enabling/Disabling.Washing electrodes4Programming the interval (minimum 15 min) and theduration.4During washing, all the analogue and digital outputs arefrozen.Digital input4To disable the doses.RS485 serial port4For set-up and remote real time acquisition.Manual controls4Possibility to simulate the analogue and digital outputs fromthe keypad.Temperature compensation4Using PT100 sensor with 3 or 4 wires, or PT 1000.Process control deviceInputMeasurementTemperature15 - 30 VAC-VDC inputDigital inputUniversal power supply100 – 240 VacGroundKeypadOutputRS485 serial portCurrent outputDigital outputs• Set Point 1• Set Point 2• Alarm• WashingInputMeasureInputTemperatureVac/dcInputDigitalInputPowerSupply100÷240 VacGroundKeypadCPUSerial PortRS4851st ChannelOutput4÷20 mA1st ChannelRelay 1SetpointRelay 2SetpointRelayAlarmRelayWashNONONONO1 891023456712345678910Electrical connections Measurementand ControlMeasurementand Control4Main menu with graphic icons4Interactive, easy to read interfaceSimple and intuitive software38 3816.2514414418 30122,525.535 3532 8068Ø6.54 x pg9 2 x pg11Wall-mounted version with IP66 protection ratingPanel-mounted version 144 x 144123108968892927Panel-mounted version 96 x 96Dimensions Measurementand ControlMeasurementand Control3537 pH/REDOXpH0 to 14 pHResolution 0,01 pHREDOX±1500 mVResolution 1 mVModel MeasuringrangeMinimumconduc.MaximumtemperatureMaximumpressurePorous baffle Fill ConnectionsProcessfitting MaterialS401/VG 2 to 14 pH 5 µS 80°C 6 bar Open hole GEL S7 PG 13,5 Glass12x120S408/MEC 0 to 14 pH 50 µS 130°C 16 bar Open hole GEL S7 PG 13,5 Glass12x120S401/LC 0 to 14 pH < 0,2 µS 40°C 16 bar Open hole GEL S7 PG 13,5 Glass12x120S408/POL 2 to 14 pH 5 µS 90°C 6 bar Open hole GEL S7 PG 13,5 Glass12x120S402/PS 0 to 14 pH 5 µS 80°C 0,2 bar Annular KPCL/KN03 5 m cable standardØ12Glass12x230S406/VG ±1000 mV 50 µS 80°C 6 bar Open hole GEL S7 PG 13,5 Glass12x120S403/PS ±1000 mV 50 µS 60°C 0,2 bar Annular KPCL/KN03 5 m cable standardØ12Glass12x230S406/POL ±1000 mV 50 µS 130°C 16 bar Open hole GEL S7 PG 13,5 Glass12x120pHREDOXMeasuring rangeThe electrodes shown below are all of the combined type (Measuring + Reference), donot require maintenance and differ in their structural characteristics, making themsuitable for many applications. The elements that must be considered when choosing anelectrode are: measuring range, temperature, pressure and chemical substances presentin the sample and type of assembly on the system.pH and REDOX electrodesMeasurementand ControlModel Measuringrange ConstantMax.temp.Max.press.BodymaterialElectrodematerialProcessfitting ConnectionsS411S 0 to 2.000 µS K=1 50°C 1 bar PVC AISI 316 1”GAS -S411 0 to 20.000 µS K=1 50°C 2 bar PVC Graphite 1”GAS 5 m or 10 m integral cableS411/TEF 0 to 10.000 µS K=1 100°C 2 bar PTFE AISI 316 1”GAS 5 m integral cableS411/C(*) 0 to 20.000 µS K=1 50°C 2 bar PVC Graphite 1”GAS 5 m integral cableS411/TEF/C(*) 0 to 10.000 µS K=1 100°C 2 bar PTFE AISI 316 1”GAS 5 m integral cableS428 K0.1High range 2 to 100 mS K=0.1 120°C 0,2 bar Glass Platinum - Four-pole screw connectorS411/U K0.1(*)High range 10 to 200 mS K=0.1 120 °C 2 bar PES Graphite ½” NPT Four-pole screw connectorS411/U K1(*)Medium range 0 to 50.000 µS K=1 120 °C 2 bar PES Graphite ½” NPT Four-pole screw connectorS411/U K10(*)Low range 0.05 to 200 µS K=10 120 °C 2 bar PES Graphite ½” NPT Four-pole screw connectorS411/P K100(*)Very low range 0.04 to 20 µS K=100 130 °C 16 bar AISI 316 AISI 316 ½” NPT Four-pole screw connectorS411/P K10(*)Low range 0 to 1000 µS K=10 130 °C 16 bar AISI 316 Graphite ½” NPT Four-pole screw connector3522 ConductivityConductivity0 to 20 µS; 0 to 200 µS; 0 to 2.000 µS; 0 to 20.000 µS; 0 to 200.000 µSResolution 0,01 µS; 0,1 µS; 1 µS; 10 µSFor industrial applicationsMeasuring rangeSpecially designed for use in an industrial environment, these make it possibleto cover a very wide measuring range, thanks to versions with temperaturesensor, special versions with PVC, PTFE, PVDF body, graphite, steel or platinumelectrodes. Conductivity is measured by submerging the two metal electrodesof the probe in the solution to be measured. The passage of current betweenthe two probes allows the electrical resistance of the liquid and therefore itsconductivity to be measured. The measurement is influenced by thetemperature. In saline solutions, there are variations of 2% / °C. This variationcan reach 7% / °C, therefore the use conductivity probes with no temperaturesensor is preferable if the solution being examined remains at a temperatureof between 15 °C and 25 °C.S411-S428 Conductivity probes3523 Inductive conductivityConductivity0 to 1,000 µS; 0 to 10.000 µS; 0 to 100.000 µS;0 to 1 Simens (0 to 999.999 mS)Resolution 1 µS; 10 µS; 100 µS; 1,000 µSMeasuring rangeMeasurementand ControlS411/IND Inductive conductivity sensorsThe S410/IND series of inductive sensors has been engineered anddeveloped to produce an electrode that is very powerful but at thesame time competitive. The result has been obtained by moulding thesensor made using polypropylene reinforced with fibreglass.This sensor offers all the advantages of the inductive cond.measurement method, including the absence of passivation of theconventional conductivity electrodes. All the sensors in the S410/INDrange are temperature-compensated, and are also designed for in-line, submersion or tank installation.4Low maintenance4Versions for in-line, submersion or tankinstallation4Ideal for cooling towers, process water,concentrated solutionsTechnical dataSensor Temperature -5 to 60 °C (without freezing)Contact materials Glass-reinforcedpolypropyleneTemp. compensation 2 PT1000 wiresCable Standard 5 metreConnection ½" BSP maleProtection rating IP68Materials PVC with Viton gasketsOperating temperature-5 to 60 °C (without freezing)Submersion length 600 or 1200 mmAssembly Standard bracket oroptional flangeOperating pressure From vacuum to 6.5bar (100 psi)MechanicalconstructionMain measuring rangeThe oxygen contained in the liquids is measured using the so-called Clark cell system. These cells generate acurrent proportional to the partial pressure of the oxygen, which can be detected using a suitable signal converter.In order to prevent interference during measuring, the Clark cell is protected by a gas-permeable membrane. Themembranes typically used are made from PTFE but, as this material is mechanically fragile, frequent changing isoften necessary, along with the related “demanding” operations (interruption of measurement, replacement of theelectrolyte, regeneration of the electrodes). The S423 solves this problem by using a membrane made fromOPTIFLOW™. Manufactured as a sheet around a layer of steel, it is very stable mechanically and very resistantto chemically aggressive environments as well as high pressure. Thanks to the special construction of themeasuring electrodes, this system also makes the sensor totally “maintenance-free”.MaintenanceOXYSENS™ sensors are maintenance-free, and do not require the replacement of the membrane, electrolyte orregeneration of the electrodes, to measure the oxygen in aqueous samples. Typical applications include watertreatment plants and the fish industry.Electrode material Silver-platinum combinationElectrolyte Alkaline solutionMembrane OPTIFLOW™Temperature sensor NTC 22 kOhmsPolarisation current -670 +/- 50 mVSensitivity 40 ... 80 nA at 25 °C in airStabilisation time typical 15 min., max. 1 hOperating temperature 0 ... 60 °CStorage temperature -10 ... 60 °C, with water insidethe protective capPressure 0 ... 4 bar during insertion; max.0.5 bar in total during submersionOuter diameter 12 mmConnection PG 13.5 – threadedConstruction materials 1.4435 stainless steel, PEEK,silicone, NBRRegeneration not requiredResponse time t98%max. 60 s at 25 °C, from air tonitrogenTemperature response approx. 3.1%/KMeasuring liquid speed min. 0.03 m/sInfluence of flow rate < 5% at 25 °COxygen consumption approx. 20 ng/h in air at 25 °CResidual current < 0.5% current in airZero drift< 0.5% current in air every 2months at 25°C or in water instable conditionsSensitivity drift < 10% every 2 months at 25°C inwater in stable conditionsTechnical dataMeasurementand ControlDissolved oxygen0 to 20.0 ppm or mg/l - 0 to 200% SATResolution 0.1 ppm or mg/l - 1% SAT3582 Dissolved OxygenMeasuring rangeS423/OXYSENS™Measurementand Control3593 Chlorine and other oxidantsfrom 0 to 100,000 ppm to be selected in relationto the type of sensor connectedMeasuring rangeS 494 Amperometric sensors with membraneAmperometric sensors with 2 or 3 membrane-covered electrodes with built-in temperature sensor for signal compensation.Assembly in a flow-through cell with constant flow (S305PX).Fields of application – Swimming pool, drinking, service, process water.– The sample should not contain surfactants. The pH value must be constant.Measurement – Amperometric system with two or three membrane-covered electrodes with internal electrolyte– Measuring range: >0.01 to <100.000 mg/l– Measurement error: ±2 % of the value read– Reproducibility: ±2 %– Stability: ± 1% of the analytical determination 4 weeks after calibrationWorking conditions – Speed of the sample on the membrane: 15 cm / sec– Hydraulic feed flow: 30..40 l/h, constant– Acceptable overpressure: 1 bar– Operating temperature: > 0 to 45 °C (others on request)– Temperature compensation: automatic via built-in NTC sensor Time – First polarisation: 1 h– Re-polarisation: 10 min– Response: T90: approx. 30 sec.Point calibration – Zero: not necessary– Work: as needed by the user, through analytical determination (colorimetric with DPD)Materials – Sensor body: PVC, silicone, PTFE– Membrane: semi-permeable PTFE (Teflon)– Electrolyte solution: aqueous containing potassium chloride– Measuring electrode: Gold (cathode)– Reference electrode: (Anode): silver/halogenated silverDimensions – Diameter approx. 25 mm / Length approx. 175 mmWarnings – Maintenance interval 2 weeks or more– Electrolyte solution lifespan: approx. 1 yearTechnical dataMeasurementand ControlParameter Measuring range Operating pH rangeFree chlorine• 0,01…0,50 ppm • 0,01…2,00 ppm• 0,01…5,00 ppm • 0,01…10,00 ppm• 0,01…20,00 ppm • 0,1…200,00 ppm5.5 … 7.2Total chlorine• 0,01…0,50 ppm • 0,01…2,00 ppm• 0,01…5,00 ppm • 0,01…10,00 ppm4 … 12Free organic and inorganic chlorine• 0,01…2,00 ppm • 0,01…5,00 ppm• 0,01…10,00 ppm4 … 9.5Chlorine dioxide• 0,01…0,50 ppm • 0,01…2,00 ppm• 0,01…10,00 ppm2 … 11Ozone• 0,01…0,50 ppm • 0,01…2,00 ppm• 0,01…5,00 ppm • 0,01…10,00 ppm2 … 11Peracetic acid• 0…200 ppm • 0…500 ppm• 0…2000 ppm • 0…5000 ppm• 0…20000 ppm2 … 11Hydrogen peroxide• 1…200 ppm • 1…500 ppm • 1…2000 ppm • 1…10000 ppm• 1…50000 ppm • 1…100000 ppm 2 … 11Chlorites • 0,02…0,50 ppm • 0,10…2,00 ppm 6.5 … 9.5S305PX494Flow-through electrode holder for chlorine, chlorine dioxide,ozone, chlorite, PAA, H2O2 etc. membrane sensorsMaterials – Plexiglas cell and fixing brackets– PVC fittings and valves– Stainless steel float– NBR O-ringWorking conditions – Max operating temperature: 60 °C– Max operating pressure: 4 barLiquid inletTemperature sensor(OPTIONAL)Proximity sensorStainless steel float sensorProbe clamping ring nutChlorine detection probeLiquid outletSample tapCylinder head screw forgroundingFlow regulatorGEBCDHABCDEFFGHILAIL