Related Manuals for Xylem WTW CellOx 325
Summary of Contents for Xylem WTW CellOx 325
- Page 1 OPERATING MANUAL OPERATING MANUAL ba25301e06 12/2017 CellOx 325 DISSOLVED OXYGEN SENSOR...
- Page 2 CellOx 325 © Copyright 2017 Xylem Analytics Germany GmbH Printed in Germany. ba25301e06 12/2017...
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Page 3: Table Of Contents
CellOx 325 Contents Contents Overview ........5 Safety instructions . - Page 4 Inhaltsverzeichnis CellOx 325 ba25301e06 12/2017...
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Page 5: Overview
CellOx 325 Overview Overview Structure WP 90 membrane cap (filled with electrolyte solution) Shaft Connection head Gold working electrode (cathode) Insulator Lead counter electrode (anode) Ventilation area Temperature sensor and auxiliary electrode On site measurements in rivers, lakes and wastewater Recommended fields of ... -
Page 6: Safety Instructions
Safety instructions CellOx 325 Safety instructions This operating manual contains special instructions that must be followed during the operation of the D.O. sensor. Always keep this operating manual in the vicinity of the sensor. Special user The membrane cap of the D.O. sensor is filled with a small amount of an qualifications alkaline electrolyte solution. -
Page 7: Measuring / Operation
CellOx 325 Measuring / Operation Measuring / Operation Calibration Note For calibration, please refer to the operating manual of the measuring instrument. Measuring Note the required minimum depth of immersion and minimum approach flow (see chapter 7 T ECHNICAL DATA The minimum flow can be provided in different ways, e. -
Page 8: Maintenance, Cleaning, Replacement
Maintenance, cleaning, replacement CellOx 325 Maintenance, cleaning, replacement General maintenance notes For your safety Note the following safety instructions when handling electrolyte and cleaning solutions: CAUTION The ELY/G electrolyte solution and RL-G cleaning solution irritate the eyes and skin. Note the following points when dealing with these solutions: ... -
Page 9: Changing The Electrolyte And Membrane Cap
CellOx 325 Maintenance, cleaning, replacement Changing the electrolyte and membrane cap CAUTION Before starting to work with the sensor, please note the G ENERAL on page 8. MAINTENANCE INSTRUCTIONS General WTW delivers the sensor ready to operate (see section 3). The electrolyte information solution and membrane cap must only be replaced if: ... - Page 10 Maintenance, cleaning, replacement CellOx 325 Carefully shake off the drops Fill a new membrane cap with Remove any air bubbles by of water. ELY/G electrolyte solution. carefully tapping the membrane head. Additionally, you can prevent air bubbles by throwing the first filling away and refilling the membrane cap.
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Page 11: Cleaning The Electrodes
CellOx 325 Maintenance, cleaning, replacement Cleaning the electrodes CAUTION Before starting to work with the sensor, please note the G ENERAL on page 8. MAINTENANCE INSTRUCTIONS General Cleaning is only required in cases of slopes too low or too high (sensor information cannot be calibrated) that cannot be resolved by changing the membrane head and electrolyte solution. - Page 12 Maintenance, cleaning, replacement CellOx 325 Thoroughly rinse the sensor Water the counter electrode in Carefully shake off the drops head with deionized water. deionized water for at least of water. 10 minutes. Fill a new membrane cap with Remove any air bubbles by Rinse the sensor head with ELY/G electrolyte solution.
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Page 13: Checking The Sensor For Freedom From Zero-Current
CellOx 325 Maintenance, cleaning, replacement Hold the sensor inclined and Check the filling: screw on the membrane head Inspect the face surface. No fingertight using a paper air bubbles may be present towel. Excess electrolyte within the dashed circle. Air solution is forced out of the bubbles outside this area do ventilation area. -
Page 14: Disposal
What to do if ... CellOx 325 Disposal CAUTION The ELY/G electrolyte solution irritates the eyes and skin. When dealing with the ELY/G electrolyte solution, observe the following points: During working activities, always wear suitable protective gloves and protective goggles/face shield. ... - Page 15 CellOx 325 What to do if ... Meter displays OFL – Short-circuit between working – Clean the electrodes (see (display range exceeded) electrode and counter electrode section 5.4). If the meter still displays OFL, return the sensor. ba25301e06 12/2017...
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Page 16: Technical Data
Technical data CellOx 325 Technical data General features Measuring principle Membrane covered galvanic sensor Temperature IMT compensation compensation (calculated by the meter) Temperature sensor Integrated NTC 30 (30 kat 25 °C / 77 °F) Dimensions 187,5 (in mm) 15,25 17,5 21,7 Weight 170 g (with 1.5 m cable) - Page 17 CellOx 325 Technical data Measurement Measuring ranges at 20 °C 0 ... 50 mg/l D.O. conditions (68 °F) 0 ... 600 % D.O. saturation 0 ... 1250 mbar D.O. partial pressure Temperature range 0 ... 50 °C (32 ... 122 °F) Max.
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Page 18: Wear Parts And Accessories
Wear parts and accessories CellOx 325 Wear parts and accessories Wear parts and Description Model Order no. maintenance Set of exchange membrane caps (3 pieces) WP 90/3 202 725 equipment Electrolyte solution ELY/G 205 217 Cleaning solution for lead counter electrode RL/G 205 204 Polishing strip... - Page 20 Xylem also provides a leading portfolio of smart metering, network technologies and advanced analytics solutions for water, electric and gas utilities. 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 expertise with a strong focus on developing comprehensive, sustainable solutions.
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