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Foreseen use
e BA400 analyser is used to determine analyte concentrations by in vitro biochemical, turbidimetric and electrolyte
measurements of human samples of serum, urine, plasma, cephalorachidian uid or total blood.
e analyser is exclusively for professional use, i.e., for users who have the appropriate training and expertise to use
it. In addition to how to install the instrument, users are instructed on how to use the analyser and the software
that goes with it.
e environmental conditions for the functioning of the analyser are normal clinical analysis laboratory conditions.
ese conditions are described in the specications chapter.
1. Introduction
e BA400 analyser is a random-acess, automatic analyser that makes readings at a rate of 400 prep/h. It is speci-
cally designed for performing clinical biochemical and turbidometric analyses and for electrolyte readings. Control
of the instrument is performed on-line in real time from a dedicated external PC.
e analyser has 5 arms: 2 arms for handling reagents, 1 arm for handling samples and 2 arms for stirring the reagent
and sample mixture.
ere are two rotors, with the reagents being positioned in one and the samples in the other.
e reagent rotor is refrigerated and both rotors have barcode readers.
e reagent and sample are mixed in the third rotor or reaction rotor. It is also where the photometric readings
are taken while the reaction develops. e reaction rotor is thermostatted and has a wash station for emptying the
completed reactions and for washing and drying the cuvettes for the next preparation round. It therefore processes
a continuous ow of preparations.
e analyser has the following built-in safety elements: vertical arm collision detector, sample tip clot detector and
detectors in all the covers.
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