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OPERATING MANUAL

ba25400e04 10/2020

DurOx 325

DISSOLVED OXYGEN SENSOR

OPERATING MANUAL

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Summary of Contents for 201570

Page 1: ...OPERATING MANUAL ba25400e04 10 2020 DurOx 325 DISSOLVED OXYGEN SENSOR OPERATING MANUAL...

Page 2: ...DurOx 325 2 ba25400e04 10 2020 Copyright 2020 Xylem Analytics Germany GmbH Printed in Germany...

Page 3: ...4 2 Measuring 7 4 3 Storage 7 5 Maintenance cleaning replacement 8 5 1 General maintenance notes 8 5 2 Outside cleaning 8 5 3 Changing the electrolyte and membrane cap 9 5 4 Cleaning the electrodes 1...

Page 4: ...Contents DurOx 325 4 ba25400e04 10 2020...

Page 5: ...asurements in rivers lakes and wastewater 1 Connection head 2 Shaft housing 3 Temperature sensor and auxiliary electrode 4 Ventilation area 5 Lead counter electrode anode 6 Insulator 7 Gold working el...

Page 6: ...lowed precisely in order to avoid slight injuries or damage to the instrument or the environment 3 Commissioning Scope of delivery D O sensor DurOx 325 filled with electrolyte solution and ready to op...

Page 7: ...asured is sufficient aeration tank water pipe stream Slowly pull the sensor through the water by hand lake container or Use a flow aid e g stirrer 4 3 Storage Always store the sensor in the calibratio...

Page 8: ...to contact with the skin rinse thoroughly with water and immediately change contaminated clothing If it comes into contact with the eyes rinse thoroughly with water and consult a doctor Note the safet...

Page 9: ...contaminated the membrane is damaged the electrolyte solution is exhausted Changing the electrolyte and membrane cap Unscrew the membrane cap Caution Electrolyte solution For disposal of the membrane...

Page 10: ...gertight using a paper towel Excess electrolyte solution is forced out of the ventilation area Check the filling Inspect the face surface No air bubbles may be present within the dashed circle Air bub...

Page 11: ...ane cap Caution Electrolyte solution For disposal of the membrane head and electrolyte solution see section 5 6 Rinse the sensor head with deionized water Using the rough side of the wet SF 300 polish...

Page 12: ...he membrane head Additionally you can prevent air bubbles by throwing the first filling away and refilling the membrane cap Rinse the sensor head with electrolyte solution Hold the sensor inclined and...

Page 13: ...st criterion The sensor is OK if the measuring instrument displays 1 D O saturation after 2 minutes 5 6 Disposal CAUTION The ELY G electrolyte solution irritates the eyes and skin When dealing with th...

Page 14: ...sor Replace and refill the membrane cap see section 5 3 Return the sensor The sensor cannot be calibrated Contaminated membrane head Electrolyte depleted Hole in the membrane Membrane cap not screwed...

Page 15: ...ctrode Lead Shaft housing Connection head Membrane head Cable screw joint POM Membrane FEP Sensor head Epoxy PEEK Insulator PEEK Thermistor housing VA steel 1 4571 Seals FPM Viton Connection cable Len...

Page 16: ...aracteristics when delivered Zero signal 1 of the saturation value Response time of D O measurement at 20 C 68 F t90 90 of the final value display after 25 s t95 95 of the final value display after 40...

Page 17: ...exchange membrane caps 3 pieces WP3 D 202 740 Electrolyte solution ELY G 205 217 Cleaning solution for lead counter electrode RL G 205 204 Polishing strip SF 300 203 680 Accessory kit comprising 3 ex...

Page 18: ...Wear parts and accessories DurOx 325 18 ba25400e04 10 2020...

Page 19: ......

Page 20: ...uildings factories and farms In more than 150 countries we have strong long standing relationships with customers who know us for our powerful combination of leading product brands and applications ex...

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