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Xylem WTW SenTix HW-T 900-P Operating Manual
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Xylem WTW SenTix HW-T 900-P Operating Manual

Ph electrode with liquid reference system and ground junction
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Download this manual See also: Operating Manual
OPERATING MANUAL
OPERATING MANUAL
ba77090s02 01/2017
®
SenTix
HW-T 900(-P)
pH ELECTRODE WITH LIQUID REFERENCE SYSTEM AND GROUND JUNCTION

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Summary of Contents for Xylem WTW SenTix HW-T 900-P

  • Page 1 OPERATING MANUAL OPERATING MANUAL ba77090s02 01/2017 ® SenTix HW-T 900(-P) pH ELECTRODE WITH LIQUID REFERENCE SYSTEM AND GROUND JUNCTION...
  • Page 2 ® SenTix HW-T 900(-P) Copyright © 2017, Xylem Analytics Germany GmbH Printed in Germany. ba77090s02 01/2017...

  • Page 3: General Information

    ® SenTix HW-T 900(-P) General information General information Automatic sensor The sensor electronics with the stored sensor data are in the connecting recognition head of the electrode. The data include, among other things, the sensor type and series number. In addition, the calibration data are stored in the sensor with each calibration and the calibration history is recorded (the last 10 cali- brations).
  • Page 4 ® General information SenTix HW-T 900(-P) Commissioning, measuring, calibration Opening and closing the IDS plug connection ® This section only applies to IDS plug variants (SenTix ... -P). Plug connection closed and locked Guidance Groove Opening the plug  If necessary, clean the plug connection. connection ...
  • Page 5 ® SenTix HW-T 900(-P) General information Commissioning ® Scope of delivery  Electrode SenTix HW-T 900(-P  Operating manual Commissioning The electrode is filled with reference electrolyte solution in the factory. Pre- pare the electrode for measuring as follows:  Open the refilling opening for the reference electrolyte solution. Depend- ing on the model, the stopper of the refilling opening is an elastomer stop- per or a slider.
  • Page 6 ® General information SenTix HW-T 900(-P) Ground junction Close Open Special wrench  Carefully and using little power close the junction until the contact between the rough ground surfaces can be noticed as a resistance. The electrode is now ready to measure. NOTE Caution: Always use very little power to close the junction so the ground surfaces are not damaged!
  • Page 7 ® SenTix HW-T 900(-P) Storage lows. Alternatively, you can also rinse the electrode with deionized water and then carefully dab it dry.  Immerse the electrode in the solution in a vertical or slightly tilted position.  Make sure the immersion depth is correct. The ground junction must be completely submersed in the solution.

  • Page 8: Maintenance And Cleaning

    ® Maintenance and cleaning SenTix HW-T 900(-P) Extreme operating NOTE conditions pH electrodes must not be operated under extreme operating condi- tions. The electrode could be permanently damaged by this. Examples for extreme operating conditions:  Strong acids or lyes, hydrofluoric acid, organic solvents, oils, fats, bro- mides, sulfides, iodides, proteins ...

  • Page 9: Technical Data

    ® SenTix HW-T 900(-P) Technical data Contamination Cleaning procedure Fat and oil Rinse with water containing household washing-up liquid Lime and hydroxide depos- Rinse with citric acid (10 % by weight) Proteins Immerse in pepsin cleaning solution PEP/pH for approx. 1 hour. Note: Make sure the level of the reference electrolyte is above that of the cleaning solu- tion.

  • Page 10: Wear Parts And Accessories

    ® Wear parts and accessories SenTix HW-T 900(-P) Plug type Socket, 4 pins Shaft dimensions, Shaft length 170 mm material Shaft diameter 12 mm Shaft material Glass IDS plug  Synthetic materials: Glass fiber reinforced Noryl, TPU, TPC-ET, POM, PVC, PEEK, ...
  • Page 11 ® SenTix HW-T 900(-P) Disposal Armoring with plastic protective hood A 925-P/K 903 839 Armoring with steel protective hood A 925-P/S 903 840 ® Plastic arming for SenTix HW-T 900(-P) pH A pHLab/K 903 841 electrodes Disposal At the end of its operational lifetime, the electrode must be returned to the disposal or return system statutory in your country (electronic waste).
  • Page 12 ® Disposal SenTix HW-T 900(-P) ba77090s02 01/2017...
  • Page 14 For more information on how Xylem can help you, go to xyleminc.com. ® Service address: Xylem Analytics Germany Sales GmbH &...

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Wtw sentix hw-t 900