Reiss CD10.1 Operating Instructions Manual Download Page 1

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Operating instructions

TARAtec sensors

CD10.1, OZ10.1

Februar 2022 (EN)

Summary of Contents for CD10.1

Page 1: ...Operating instructions TARAtec sensors CD10 1 OZ10 1 Februar 2022 EN V3 ...

Page 2: ... 9 2 4 Name plate 10 3 Safety 11 3 1 Use for the intended purpose 11 3 2 Use other than for the intended purpose 11 3 3 Personal qualifications 12 3 4 Rebuilding and modifications 12 3 5 Residual risks 12 4 Commissioning 16 4 1 Installation requirements 16 4 2 Preparation of the sensors 16 4 3 Insertion into the flow chamber 18 4 4 Electrical connection 19 4 5 Initial calibration 21 5 Calibration ...

Page 3: ...1 3 40 7 2 Changing the electrolyte and membrane cap 25 8 Troubleshooting 27 8 1 Fault overview 28 8 2 Special checks 35 9 Technical data 38 10 Deinstallation and storage 38 11 Disposal 38 12 Warranty 39 13 Liability disclaimer 39 ...

Page 4: ...onnel against injuries and protect the operating company against damage to property and additional costs Signal word Meaning DANGER DANGER means a hazard with a high degree of risk which if not avoided will lead to death or serious injury WARNING WARNING means a hazard with a medium degree of risk which if not avoided may lead to death or serious injury CAUTION CAUTION means a hazard with a low de...

Page 5: ... helpful information for optimum and economic use of the product This symbol indicates actions to be performed by the personnel This symbol indicates the result of an action This symbol indicates individual bullet points This symbol indicates a precondition before performing an action Tab 2 Symbols in the text 1 2 Associated documents Data sheets on the individual types of sensors can be found at ...

Page 6: ...f application of these sensors extends to almost all water qualities The sensors are not suitable for checking the absence of chlorine dioxide or ozone A complete measuring and or control system normally consists of the following components Sensor Electrical leads and connectors Flow chambers and connections Measuring and control device Dosing equipment Analytical equipment These operating instruc...

Page 7: ...eing measured Such chlorine dioxide arises from the application of chlorine dioxide such as the acid chlorite process chlorine chlorite process The chlorine dioxide sensor is insensitive to chlorine 2 1 2 Ozone OZ10 1 The sensor measures the concentration of dissolved ozone in the water being measured The sensor is virtually insensitive to chlorine ...

Page 8: ... damaged Please contact your supplier Component Quantity Sensor with voltage output signal Sensor with 4 20 mA current loop output signal Sensor with Modbus signal transmission 0 2000 mV 2 pole screw terminal connection 5 pole M12 connection Sensor with membrane cap depending on the type 1 Electrolyte depending on the type 1 bottle mA hood with O ring 20x1 5 1 Special emery paper depending on the ...

Page 9: ...40 2 3 Product overview Fig 1 Product overview 1 Electrical connection 2 Sensor body 3 Pressure compensation opening 4 Working electrode 5 O ring 20 x 1 5 6 Membrane disc 7 Protective cap 8 Membrane cap 9 Electrode finger 10 Reference electrode ...

Page 10: ...formation Fig 2 Example of a name plate 1 Measured variables 2 Sensor designation sensor name 3 Nominal measuring range of the sensor 4 Permissible temperature range of the measuring water 5 Maximum permissible pressure of the water being measured 6 Signal transmission 7 Power supply 8 Serial number 9 Serial number as barcode ...

Page 11: ... sensor may be used only under the following conditions For the disinfectant specified in the respective data sheet Under the conditions of use specified on the respective data sheet Upright installation in a suitable flow chamber electrical connection top Restricted to the activities described in these operating instructions Use only when in fault free condition Use of original accessories and sp...

Page 12: ...he water or due to vibration This results in the following risks Due to the pressure of the water the sensor may slip out of the flow chamber The sensor may slip down into the flow chamber due to its own weight Depending on recommendation in the data sheet use a variant with a retaining ring see section 1 2 p 5 Make sure that the fixation of the sensor in the flow chamber cannot be loosened during...

Page 13: ...beyond repair Empty the pressure compensation opening see section 7 2 p 25 3 5 5 Electrical interference A lack of galvanic isolation can falsify the measured value and even damage the sensor beyond repair Ensure the electrical connection has galvanic isolation Electrical interference on the signal lead can damage the electronics Ensure the connection is made correctly see section 4 4 p 19 3 5 6 L...

Page 14: ...ata sheet see section 1 2 p 5 3 5 9 Temperature and fluctuations in temperature If the ambient temperature or the temperature of the medium lies outside the permissible range the sensor and the electrolyte may be damaged Make sure that at all stages of the operation the permissible temperature ranges as per the data sheet are adhered to see section 1 2 p 5 The measured value may be incorrect if th...

Page 15: ... concentration of the disinfectant will lead to incorrect calibration of the sensor Observe the recommended analysis methods as per the data sheet see section 1 2 p 5 Perform analytical work in accordance with the specifications in the manufacturer s operating instructions for the analytical equipment ...

Page 16: ...te There must be disinfectants present in the water being measured Galvanic separation of the electrical connection if not present in the sensor see data sheet section 1 2 p 5 Make sure that the measuring water does not evolve gas at the measurement point 4 2 Preparation of the sensors Pull the protective cap 3 off the membrane cap 2 Unscrew the membrane cap 2 from the sensor body 1 Fig 3 Unscrewi...

Page 17: ...l the thread is felt to engage Fig 5 Placing the sensor body on the sensor cap 1 Sensor body 2 Membrane cap Slowly screw the sensor body into the membrane cap Make sure that the membrane cap is fully screwed into the sensor body right up to the stop Once the membrane cap has been fully screwed on Neither touch nor strike the membrane Use mains water to rinse off any electrolyte residues adhering t...

Page 18: ...have been prepared for installation see section 4 2 p 16 Insert the sensor into a flow chamber of the type TARAflow FLC or any other suitable flow chamber In order to insert the sensor correctly into the flow chamber Comply with the instructions in the operating instructions for the flow chamber that is used ...

Page 19: ...mV signal output The sensor is provided with a 5 pin M12 screwed plug protected against polarity reversal The connection pins are assigned as follows Fig 7 Connection pin assignment 5 pin Analog signal processing Digital signal processing 0 2000 mV 0 2000 mV 0 2000 mV 1 2 3 4 5 Measuring signal U U Signal GND not assigned Measuring signal U Power GND Signal GND not assigned Measuring signal U Powe...

Page 20: ...ection pin assignment 5 pin 1 not assigned 2 U 3 U 4 not assigned 5 not assigned Connection with a 2 pole screwed terminal block The sensor is provided with a 2 pole screwed terminal block Insert the sensor cable through the cable gland of the hood Connect the cores to the terminals in the sensor electronics Screw the hood finger tight into the sensor body until the O ring seal is made Tighten the...

Page 21: ...rs within the sensor The connection pins are assigned as follows Fig 9 Connection pin assignment 5 pin 1 reserved 2 9 30 V 3 Power GND 4 RS485 B 5 RS485 A 4 5 Initial calibration The sensor must have been connected electrically see section 4 4 p 19 The run in time has been complied with as per the data sheet see section 1 2 p 5 Perform calibration see section 5 p 22 After one day repeat the calibr...

Page 22: ... minutes after a change in temperature The sensor must have completed running in No other oxidant may be present in the water being measured Take the analytical sample of the water being measured from near to the sensor Using appropriate methods determine the concentration of the disinfectant in the measuring water see the manufacturer s operating instructions for the analytical equipment In the c...

Page 23: ...e DPD 4 Tab 4 Recommended analytical methods Chlorine dioxide can also be determined using a photometer intended for chlorine The result must be multiplied by a factor of 1 9 Ozone can also be determined using a photometer intended for chlorine The result must be multiplied by a factor of 0 68 At higher concentrations of disinfectant the DPD colouration may fail to appear ...

Page 24: ...measurement and control system or switch it over to manual operation Close the inlet of the water being measured Close the outlet of the water being measured Remove the electrical connection To disconnect a sensor with a 2 pole screwed terminal block Undo the cable gland The cable is now free to move Unscrew the hood with the cable gland from the sensor Release the cable cores from the terminals U...

Page 25: ...tion Weekly After the electrolyte and or the membrane cap has been changed Tab 5 Maintenance overview 7 2 Changing the electrolyte and membrane cap Unscrew the membrane cap Empty the electrolyte out of the membrane cap Rinse the membrane cap with mains water Rinse the electrode finger with mains water Shake the sensor body dry several times see Fig 12 p 25 This empties the pressure compensation op...

Page 26: ...e and move the tip of the working electrode over it at least twice Use a fresh area of the emery paper for each pass Fig 11 Emerying the working electrode When changing the membrane cap Use a new membrane cap Perform the same operations as for commissioning see section 4 2 p 16 Maintenance has now been completed and the sensor can be put back into use ...

Page 27: ...ring and control device Calibration Dosing equipment Concentration of the disinfectant in the dosing container Suitability of the sensor for measuring the disinfectant that is being dosed Concentration of the disinfectant in the water being measured determined by analytical methods pH value of the water being measured Temperature of the water being measured Pressure in the flow chamber Analytical ...

Page 28: ...ours Membrane torn Change the membrane cap see section 7 2 p 25 Membrane cap damaged Change the membrane cap see section 7 2 p 25 Disruptive substances in the water contents Check the water for disruptive substances observe data sheet Provide remedy Consult the supplier Short circuit defect in the measuring lead Locate and eliminate the short circuit defect Exchange the measuring lead Distance bet...

Page 29: ...he membrane cap Using tweezers remove the G holder from the membrane cap Repeat commissioning see section 4 2 p 16 Gas bubbles on the outside face of the membrane Temporarily increase the flow rate Check the installation and modify it No electrolyte in the membrane cap Fill the membrane cap with electrolyte Prepare the sensor see section 4 2 p 16 The concentration of disinfectant exceeds the upper...

Page 30: ...able measured value Membrane torn Change the membrane cap see section 7 2 p 25 Air pockets between the G holder membrane working electrode Unscrew the membrane cap Using tweezers remove the G holder from the membrane cap Repeat commissioning see section 4 2 p 16 Gas bubbles on the outside face of the membrane Temporarily increase the flow rate Check the installation and modify it Pressure fluctuat...

Page 31: ...essive concentration of disinfectant in the measuring water Check the system Remedy the faults Calibrate the sensor see section 5 p 22 Perform maintenance on the sensor see section 7 p 25 Run in time too short Wait until the run in time has elapsed see section 4 5 p 21 The membrane is damaged Change the membrane cap see section 7 2 p 25 Flow rate too high Check the system Reduce the flow rate 1 Th...

Page 32: ...until the run in time has elapsed see section 4 5 p 21 The working electrode is contaminated Perform maintenance on the sensor see section 7 p 25 Lack of galvanic isolation Create galvanic isolation Return the sensor to the supplier for checking reconditioning The sensor is defective Return the sensor to the supplier for checking reconditioning Green LED flickering or failing to light up4 Defectiv...

Page 33: ... correctly to the measuring and control device The measuring lead is broken Exchange the measuring lead The sensor is not receiving any power supply Provide the correct power supply The sensor is defective Return the sensor to the supplier for checking reconditioning Tab 6 Faults overview Electronics Signal transmission Underdriving Overdriving Analogue 4 20 mA 4 mA 20 mA 0 2000 mV 0 mV 2000 mV 0 ...

Page 34: ...U 0 ppm 0 mA Measured value Measurement range 0 2000 mV Orange LED lights up6 2000 mV Orange LED flashes regularly 0 2000 mV Orange LED lights up7 2000 mV Orange LED flashes regularly Tab 7 Output signal of the sensor when overdriven underdriven 6 The displayed output signal must be multiplied by a factor of 1 ...

Page 35: ...membrane cap Rinse the electrode finger with mains water Using a clean cloth carefully dry the electrode finger Connect the sensor to the measuring and control device Connect a suitable measuring device to the original sensor signal Wait five minutes Read the original sensor signal at the measuring device Mark up the values that were read against the following target values Sensor mV approx 0 mV S...

Page 36: ...aker Wait 30 minutes Read the measured value If the measured value is close to the value 0 the zero point can provisionally be regarded as OK If the measured value deviates significantly from zero Perform maintenance on the sensor see section 7 p 25 and repeat the zero point test A freshly cleaned working electrode has a relatively high zero point The sensor takes a few days to settle back to its ...

Page 37: ...aker for five minutes Monitor the measured value throughout this time If the measured value increases the sensor can provisionally be regarded as OK If the measured value does not change Perform maintenance on the sensor see section 7 p 25 and repeat the signal test This completes the signal test The sensor can be put back into use If after maintenance the sensor shows no response to the disinfect...

Page 38: ...membrane cap Shake the sensor body dry several times see Fig 12 p 25 Rinse the electrode finger with mains water Dry the membrane cap and sensor body in a dust free place For protection loosely screw the dry membrane cap onto the sensor body Make sure that the membrane is not lying in contact with the working electrode If the membrane cap has been in use for one day or longer we recommend that it ...

Page 39: ...eturned to the sender Each return shipment must be accompanied by a completed declaration of clearance This can be found at the following Internet address https www reiss gmbh com forms lang en In case of contamination or missing or not completed declaration of clearance a cleaning fee will be charged On checked reconditioned sensors we grant a warranty of one year from the date of checking recond...

Page 40: ...Reiss GmbH Eisleber Str 5 D 69469 Weinheim Germany ...

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