Electronic laboratory metering system for liquids and method for operating an electronic laboratory metering system for liquids

1. An electronic laboratory metering system ( 1 ) for liquids, comprising:

at least one electrical handheld metering device ( 2 ) having at least one operation sensor unit ( 5 ) detecting the operation of the handheld metering device ( 2 ) and generating corresponding operating data and, the handheld metering device ( 2 ) having an interface module ( 7 ) by means of which the handheld metering device ( 2 ) can be connected to an external network access device ( 4 ) via a data connection, the network access device ( 4 ) being data-connectable to an external data processing system ( 3 ), the data processing system ( 3 ) being data-connectable to at least one context parameter sensor unit ( 8 ) (a) at least indirectly detecting the operation of the handheld metering device ( 2 ) and/or (b) detecting environmental operating conditions of the handheld metering device ( 2 ), and generating context parameter data therefrom, the data processing system ( 3 ) having a comparison unit ( 9 , 29 ) configured at least (a) to compare operating data of the operation sensor unit ( 5 ) with target operating data and/or (b) to compare context parameter data of the at least one context parameter sensor unit ( 8 ) with target context parameter data, and to generate a comparison result,

wherein

the metering system ( 1 ) comprises a documentation unit ( 10 ) which is configured to generate and to store protocol data sets relating to the operation of the at least one handheld metering device ( 2 ), the documentation unit ( 10 ) being connected to the comparison unit ( 9 , 29 ) in such a manner that the comparison results of the comparison unit ( 9 , 29 ) can be transmitted to the documentation unit ( 10 ) and the documentation unit ( 10 ) is configured to store the comparison results as part of the protocol data sets.

2. The metering system according to claim 1 , wherein the handheld metering device ( 2 ) further comprises at least one output unit ( 17 ) for outputting user instructions and/or user information, the output unit ( 17 ) being connected to the comparison unit ( 9 , 29 ) in such a manner that comparison results, comprising a deviation of the data from the target data identified in the course of the comparison, are directly outputted.

3. The metering system according to claim 1 , wherein the at least one context parameter sensor unit ( 8 ) is configured to detect static and/or dynamic context parameters.

4. The metering system according to claim 1 , wherein

the at least one context parameter sensor unit ( 8 ) is connected to a classification unit ( 16 ) of the data processing system ( 3 ), wherein the classification unit ( 16 ) is configured to classify the detected operation of the handheld metering device ( 2 ) and/or the detected environmental operating conditions, wherein a context parameter can be derived from the classification and/or context parameter data can be generated by means of the classification.

5. The metering system according to claim 1 , wherein the data processing system ( 3 ) further comprises a documentation storage device ( 18 ) which is configured to store and/or to catalog protocol data sets.

6. The metering system according to claim 5 , wherein the data processing system ( 3 ) further comprises at least one evaluation unit ( 20 ) which is connected to the documentation storage device ( 18 ) and which is configured to evaluate protocol data sets and/or to compare protocol data sets and which can output results from the evaluation via an output interface ( 21 ), for further processing by the metering system.

7. The metering system according to claim 1 , wherein the data processing system ( 3 ) further comprises a conversion device ( 19 ) which is configured to convert the protocol data sets into a data format of an electronic laboratory journal or to embed the protocol data sets into laboratory information management systems.

8. The metering system according to claim 1 , wherein the data processing system ( 3 ) further comprises a programming unit ( 22 ) for defining work routines and/or for defining device parameters of a parameter unit ( 23 ) of the handheld metering device ( 2 ), the programming unit ( 22 ) being configured to generate and to store target operating data and/or target context parameter data based on defined work routines and/or device parameters.

9. The metering system according to claim 1 , wherein the network access device ( 4 ) further comprises a fastening device ( 13 ) for the detachable fastening of at least one handheld metering device ( 2 ).

10. The metering system according to claim 1 , wherein the context parameter sensor unit ( 8 ) is configured to duplicate or to detect a measured value or an output signal of a laboratory liquid measuring device ( 24 ).

11. The metering system according to claim 1 , wherein the operation sensor unit ( 5 ) stores said operating data in a storage device ( 6 ) of the handheld metering device ( 2 ), wherein the handheld metering device ( 2 ) can be connected to the external network access device ( 4 ) for transmitting the operating data, wherein the data processing system ( 3 ) has the comparison unit ( 9 ), wherein the comparison result is a deviation of the data from the target data identified in the course of the comparison, wherein the protocol data sets comprise at least the operating data and/or the context parameter data, and wherein the documentation unit ( 10 ) is configured to store the comparison results as part of the protocol data sets in a manner assigned to the corresponding operating data and/or context parameter data to add to said comparison results after an operation of the handheld metering device ( 2 ) has ended.