Patent ID: 6842241

Claim:
Method for checking the operation of an optical measuring device, such as a laboratory instrument used in biochemistry, by using a checking device ( 10 ), such as a test plate, according to the method a test plate ( 10 ) is formed for the measuring device by placing in the wells ( 12 ) of a plate ( 11 ) corresponding to a micro titer plate different sample units ( 20 , 21 ) whose verified measured values are known, the checking of the operation of the measuring device is accomplished by measuring the sample units ( 20 , 21 ) placed in the wells ( 12 ) of the aforesaid plate ( 11 ) and comparing the measurement results obtained to the previously known measured values verified by means of a reference device, characterized in that an individual test plate ( 10 ) is formed for each measuring device, in the aforesaid test plate ( 10 ), sample units ( 20 , 21 ) are placed by means of which the reliability of the measuring device can be tested by the measuring methods used by the measuring device, such as e.g. fluorescence, luminescence and photometric determinations, the aforesaid test plate ( 10 ) is marked with an identifier, such as e.g. a serial number, identifying the measuring device, and that the user of the aforesaid measuring device checks the operation of the measuring device by performing a measurement on the device-specific individual test plate ( 10 ) and comparing the measurement results obtained to previously known measurement values for the test plate, verified by a reference device.