Related Manuals for Xylem WTW DurOx 325
Summary of Contents for Xylem WTW DurOx 325
- Page 1 OPERATING MANUAL OPERATING MANUAL ba25400e04 10/2020 DurOx 325 DISSOLVED OXYGEN SENSOR...
- Page 2 DurOx 325 © Copyright 2020 Xylem Analytics Germany GmbH Printed in Germany. ba25400e04 10/2020...
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Page 3: Table Of Contents
DurOx 325 Contents Contents Overview ........5 Safety instructions . - Page 4 Contents DurOx 325 ba25400e04 10/2020...
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Page 5: Overview
DurOx 325 Overview Overview Structure Connection head Shaft housing Temperature sensor and auxiliary electrode Ventilation area Lead counter electrode (anode) Insulator Gold working electrode (cathode) WP-D membrane cap (filled with electrolyte solution) Protective hood Recommended On site measurements in rivers, lakes and wastewater fields of application ba25400e04... -
Page 6: Safety Instructions
Safety instructions DurOx 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
DurOx 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 DurOx 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
DurOx 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 DurOx 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
DurOx 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 DurOx 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
DurOx 325 Maintenance, cleaning, replacement Note For measurements under high pressure the filling must be completely free of air bubbles. Readiness to measure After approx. 30 to 50 minutes, the sensor is ready for operation. Subsequently calibrate the sensor. Note If you want to measure very low oxygen concentrations (<... -
Page 14: What To Do If
What to do if ... DurOx 325 Sensor and For disposal, unscrew the membrane head and rinse the sensor and membrane cap membrane head with water. We recommend disposing of the sensor without the membrane cap as electronic refuse. The membrane head may be disposed of with the household refuse. -
Page 15: Technical Data
DurOx 325 Technical data 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 (in mm) 17,5 Weight 310 g (with 2 m cable) Materials Working electrode Gold... - Page 16 Technical data DurOx 325 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 ... 40 °C (32 ... 104 °F) Depth of immersion min.
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Page 17: Wear Parts And Accessories
DurOx 325 Wear parts and accessories Wear parts and accessories Wear parts and Description Model Order no. maintenance Set of exchange membrane caps (3 pieces) WP3-D 202 740 equipment Electrolyte solution ELY/G 205 217 Cleaning solution for lead counter electrode RL/G 205 204 Polishing strip... - Page 18 Wear parts and accessories DurOx 325 ba25400e04 10/2020...
- Page 20 For more information on how Xylem can help you, go to xyleminc.com. ® Service and Returns: Xylem Analytics Germany Sales GmbH &...
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