Page 4 of 831 KF Coulometer by Metrohm AG

the features at a glance the 831 kf coulometer is easy to operate and offers · routine and expert mode · four tested determination methods are stored in the instrument · internal memory for approx 100 user methods · result management take advantage of the instrument s result memory per method up to nine results can be calculated and stored separately it is also possible to recalculate results and to assess them with the instrument software s statistics functions · comprehensive automation with the 774 oven sample processor · pc keyboard and barcode reader can be attached the pc software vesuv 3 light forms part of the 831 kf coulometer s package automatic reagent exchange with a 700 dosino the spent kf solution can be replaced automatically by fresh solution as the cell remains closed during this operation no humidity can enter and the cell is conditioned and ready for use in a very short time lcd screen for user guidance and display of parameters live curves and results separate keypad for parameter settings routine operation requires only three keys on the front panel generator cells for the 831 kf coulometer without diaphragm on the left with diaphragm on the right cell with or without diaphragm ­ the choice is yours the 831 kf coulometer is available with two different types of generator cells the diaphragm-less variant needs only one reagent and requires practically no maintenance it can be used for a large number of applications use of the generator cell with diaphragm is recommended in the following cases water determinations in aldehydes and ketones extremely low water contents and samples with very low conductivity e.g oils 4 831 kf coulometer karl fischer titrators 5

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