Related Manuals for wtw K 500 DIN
Summary of Contents for wtw K 500 DIN
- Page 1 OPERATING MANUAL ba15360e03 10/2014 K 500 DIN, K 500 BNC K 800 DIN, K 800 BNC POTASSIUM ION SENSITIVE ELECTRODE...
- Page 2 K 500 / K 800 Note The latest version of the present operating manual can be found on the Internet under www.WTW.com. It is also available in other languages. Copyright © 2014, WTW GmbH Reprinting - even as excerpts - is only allowed with the explicit written authorization of WTW GmbH.
- Page 3 K 500 / K 800 View K 500 K 800 Connection head with connection cable Shaft Exchange membrane cap PVC membrane O-ring Inner junctions Exterior junctions Storage vessel for K 800 Protective cap for K 500 ba15360e03 10/2014...
- Page 4 Commissioning K 500 / K 800 Commissioning Combination elec- Remove the storage vessel. trode K 800 Fill ELY/BR/503/K bridge electrolyte into the filling opening so that the inner junctions are covered with bridge electrolyte. Rinse the combination electrode with deionized water. Wipe the shaft using a clean paper towel.
- Page 5 K 500 / K 800 Conditioning, calibration, measurement Conditioning, calibration, measurement General informa- K 800 R 503 + K 500 tion When operating the electrode ensure that the filling opening (1) for the bridge electrolyte is open the inner junctions (3) are covered with bridge electrolyte ...
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Page 6: Sample Preparation
Note If you would like to have more detailed information concerning sample prep- aration and measuring procedures, WTW provides a large number of appli- cation reports for various applications. Response times The response time depends on the concentration range. It is ... -
Page 7: Maintenance
K 500 / K 800 Aging Aging Please note that every (combination) electrode undergoes a natural aging process.The response time increases and the slope decreases with the age of the (combination) electrode.The following factors shorten the lifetime con- siderably: Incorrect storage ... -
Page 8: Recommended Accessories
Aging K 500 / K 800 Recommended accessories Description Model Order no. Exchange membrane cap for K 500/AT 106622 potassium electrode K 500 Exchange membrane cap for K 800/AT 106672 potassium combination electrode K 800 Reference electrode for R 503/P* 106570 potassium electrode K 500 R 503/D**... - Page 9 K 500 / K 800 Aging What to do if ... Cause Remedy Measured value – Inner junctions not – Fill up bridge electrolyte until the unstable sufficiently wetted with inner junctions are covered with bridge electrolyte (K 800) bridge electrolyte –...
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Page 10: Technical Data
Technical data K 500 / K 800 Technical data Measuring range 0.04 ... 39,000 mg/l K (1 x 10 ... 1 mol/L K Reproducibility ± 2 % pH range 2 ... 12 (see I NTERFERENCES Temperature range 0 ... 40 °C Membrane resis- <...
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