Page 6 of VA Trace Analyzer - Top-of-the-line instruments for trace and ultra-trace analys by Metrohm AG

highly versatile tools compact brain the 746 va trace analyzer applies multitasking it is available with or without a built-in printer its compact housing encloses all elements that are important for analytical practice · the piezoelectric keypad ensures clear-cut operation and fast access to the instrument functions · the backlit lcd screen shows methods and routines calibration curves voltammograms and results ­ in short it provides you with up-to-date information before during and after the determination with the 746 va trace analyzer you can read and load memory cards thus increasing the storage capacity for your measured values and methods and rendering them transferable two 747 va stands and four 685 dosimats or four 700 dosinos can be attached to the 746 va trace analyzer the 695 va autosampler allows highly sophisticated automation of your analyses a balance and a computer can be connected via the two bidirectional rs 232c interfaces the instrument version without built-in printer is equipped with a parallel printer interface the «remote» interface comprises eight i/o lines for the remote control of external instruments for online applications the instrument can be started automatically at given time intervals flexible instrument software in its method sequence the 746 va trace analyzer permits logical decisions for the adaptation to real samples this allows the sample-dependent selection of methods electrode types or standard solutions the following measuring techniques are available dc dp ac1 ac2 cv psa direct current differential pulse phase-sensitive alternating current 1st harmonic phase-sensitive alternating current 2nd harmonic cyclic voltammetry potentiometric stripping analysis comfortable user interface user-friendly aids such as softkeys and windows give you optimum support during the determinations metrohm supplies the analysis procedure as a standard or application method that can be adapted to your needs after the determination you do not only get a result but also its scatter if a problem has arisen during the determination e.g during evaluation or if the result lies outside the calibration range the instrument issues the corresponding messages special features are · background subtraction · baseline approximation automatic or manual · recalculation of single results or series with modified parameters the result calculation is entirely automatic the calculation formula and the result designation can be freely selected «common variables» molar mass density etc are available sqw square wave while default values are preset for all measurement parameters the parameter values can be selected within wide limits the instrument comes with 25 preprogrammed standard methods 6 va trace analyzer

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