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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...
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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.
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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 ...
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 ...
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 ...
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**...
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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 –...
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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