US 2012/0258542 A1 · ANALYTICAL DEVICE FOR AUTOMATED DETERMINATION OF A MEASURED VARIABLE OF A LIQUID SAMPLE

Abstract

An analytical device, including: a processing system for treating a liquid sample and for supplying the treated liquid sample to a measuring cell, to the liquid sample; a measuring transducer for registering a measured value of the treated liquid sample variable; a control unit to control the processing system; and an evaluating unit for determining the measured variable based on the measured value registered by the measuring transducer. The analytical device includes at least one first supply container containing a first reagent component, at least one second supply container containing a second reagent component and a mixing apparatus, for mixing a predetermined amount of the first reagent component contained in the first supply container with a predetermined amount of the second reagent component to form a predetermined amount of the reagent.

Claims16

Dependent claims

An analytical device for automated determination of a measured variable of a liquid sample, comprising:

a processing system for treating the liquid sample and for supplying the treated liquid sample to a measuring cell, wherein the treating includes adding at least one reagent to the liquid sample;
a measuring transducer for registering a measured value of the treated liquid sample contained in said measuring cell, which measured value is correlated with the measured variable;
a control unit to control said processing system;
an evaluating unit for determining the measured variable based on the measured value registered by said measuring transducer;
at least one first supply container containing a first reagent component;
at least one second supply container containing a second reagent component;
and
a mixing apparatus, especially controllable by said control unit, for mixing a predetermined amount of the first reagent component contained in said first supply container with a predetermined amount of the second reagent component contained in said second supply container to form a predetermined amount of the reagent.

5 more elements

A method for monitoring a measured variable in a liquid to be monitored by means of an analytical device having a processing system controlled by a control unit, a measuring cell, a measuring transducer and an evaluating unit, comprising the steps of:

treating a liquid sample of the liquid to be monitored by means of the processing system, wherein at least one reagent is added to the liquid sample;
supplying the treated liquid sample to the measuring cell;
registering, by means of the measuring transducer, a measured value correlated with the measured variable of the treated liquid sample supplied to the measuring cell (K) and transmitting the measured value to the evaluating unit;
and
determining by the evaluating unit of a value of the measured variable based on the measured value registered by the measuring transducer, wherein:
the reagent is produced by means of a mixing apparatus of the analytical device, in that the mixing apparatus mixes a predetermined amount of a first reagent component contained in a first supply container with a predetermined of a second reagent component contained in a second supply container.

3 more elements

Dependencies are inferred from the claim text.

Analytical device for automated determination of a measured variable of a liquid sample

Life of this patent

Analytical device for automated determination of a measured variable of a liquid sample

Life of this patent

Abstract

Claims16