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wtw SenTix 51 Operating Manual

Ph combination electrodes with liquid reference system

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®
SenTix
51, 52
®
SenTix
60, 61, 62
®
SenTix
81, 82
®
SenTix
91, 92
®
SenTix
Mic, Mic-B, Mic-D
SenTix
PH COMBINATION ELECTRODES WITH LIQUID REFERENCE SYSTEM
®
OPERATING MANUAL
ba75737e02 06/2013

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Summary of Contents for wtw SenTix 51

  • Page 1 OPERATING MANUAL ba75737e02 06/2013 ® SenTix 51, 52 ® SenTix 60, 61, 62 ® SenTix 81, 82 ® SenTix 91, 92 ® SenTix Mic, Mic-B, Mic-D ® SenTix PH COMBINATION ELECTRODES WITH LIQUID REFERENCE SYSTEM...
  • Page 2 For the most recent version of the manual, please visit www.WTW.com. Copyright © Weilheim 2013, WTW GmbH Reproduction in whole - or even in part - is prohibited without the express written permission of WTW GmbH, Weilheim. Printed in Germany. ba75737e02 06/2013...
  • Page 3: Technical Data

    ® SenTix Technical data Technical data General data WTW model Reference electrolyte Junction NTC Special features ® SenTix KCl 3 mol/L, Ag free Ceramic Plastic shaft ® SenTix KCl 3 mol/L, Ag free Ceramic Plastic shaft ® SenTix KCl 3 mol/L, Ag...
  • Page 4 ® Technical data SenTix Shaft dimensions, shaft material, electrical connection WTW model Shaft Electrical connection Ø Length [mm] Material Combination Meter con- Cable [mm] electrode nection length connection ® SenTix Polyamide Fixed cable DIN*+banana ® SenTix Polyamide Fixed cable BNC+banana ®...
  • Page 5 ® SenTix Commissioning, measuring, calibration Commissioning, measuring, calibration Commissioning The combination electrode is filled with reference electrolyte solution in the factory. Prepare the combination 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 ® Storage SenTix of the shaft (see figure). At the same time, the level of the reference elec- trolyte must be at least 2 cm above the level of the solution. Reference electrolyte Shaft Junction (Example) Glass membrane  Provide approximately the same stirring conditions for measuring as for calibrating.
  • Page 7: Maintenance And Cleaning

    ® SenTix Aging Aging Every pH combination electrode undergoes a natural aging process. With ag- ing, the responding behavior becomes slower and the electrode slope and asymmetry change. Moreover, extreme operating conditions can consider- ably shorten the lifetime of the combination electrode. These are: ...
  • Page 8: Wear Parts And Accessories

    108 112 Connection cable S7 plug-in connector/BNC, AS/BNC 108 114 Note Detailed information on our wide range of buffer solutions and more acces- sories is given in the price list of the WTW catalog "Laboratory and field in- strumentation". ba75737e02 06/2013...
  • Page 12 For more information on how Xylem can help you, go to www.xyleminc.com Wissenschaftlich-Technische Werkstätten GmbH Dr.-Karl-Slevogt-Straße 1 D-82362 Weilheim Germany Tel: +49 881 183-0 Fax: +49 881 183-420 E-Mail: info@wtw.com Internet: www.wtw.com...