pH- and ORP measurement with standard electrodes - Martens ...
pH- and ORP measurement with standard electrodes - Martens ...
pH- and ORP measurement with standard electrodes - Martens ...
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Automatic calibration4Select buffer setWTW 5Dip <strong>pH</strong> electrodeinto 1.bufferBuffer set$ Only for <strong>electrodes</strong> <strong>with</strong> integrated temperature sensornominal <strong>pH</strong>-values of the buffersWTW4.01/7.00 at 0...95 °C/10.00 at 0...50 °CSchott4.00/7.00/10.00 at 0 ... 40 °CIngold (Mettler Toledo) 4.01/7.00/9.21 at 0 ... 95 °CDIN192664.01/6.87/9.18 at 0 ... 95 °CRinse the electrode in tap water <strong>and</strong> immerse in the 1. buffer solution.Start the calibration <strong>with</strong> button .61.buffer temp.23.6°C /Temperature measuring of the 1. <strong>pH</strong>-buffer solution.A rotating bar indicates the measuring process. If the bar stops , the measured valueis taken over <strong>and</strong> the calibration procedure will be continue <strong>with</strong> the next parameter.It is possible to stop the <strong>measurement</strong> during the measuring process, <strong>with</strong> buttonat any time <strong>and</strong> the current value will be stored.Temp.not const.Qnext Obacknext ► Parameter 7back ► Parameter 67Nom. val. <strong>pH</strong>7.0623.6°C 10sMeasuring of the 1. bufferAs soon as the measured value is constant, this is taken over as first calibration parameter.The calibration procedure continues <strong>with</strong> parameter 8.<strong>pH</strong>-<strong>measurement</strong>not const.4sUse manualcalibrationNo constant value<strong>with</strong>in 3min.<strong>pH</strong>-electrodeDifference><strong>pH</strong>1.04sUse manualcalibrationDifference of current valueto buffer > <strong>pH</strong>1.0Buffer temp.to lowBuffer temperature out of range.8Buffer <strong>pH</strong>7.00Difference <strong>pH</strong> 0.1The nominal value of the identified buffers<strong>and</strong> the difference to the actual value will bedisplayed.$ The measured values arenot talken overback to parameter 1page 1092.buffer calib.?OYESQNOYESNO: 2-point-calibration.A 2. buffer solution has to be measured.: 1-point-calibration.The calibration procedure is finishedYESNOcontinue page 12parameter 10continue page 12parameter 14- 11 -
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