You control your piston pipettes...

• as manufacturer at the inspection and production control ?
• within the scope of the stipulated inspection equipment monitoring for certified laboratories ?
• according to the binding guidelines of the General Medical Council for medical laboratories ?
• with a certification as a repair and calibration service ?
• for external inspection by metrology institutes of producer's euipment ?

 Then you are informed that...

• the quality inspection has to be carried out according to DIN EN ISO 8655
• each channel of a piston pipette with adjustable volume has to be tested 10 times for the smallest, the medium and the nominal volume
• this test procedure requires 360 singular values for a 12-channel piston pipette