Patent ID: 6506611
Filing Date: 2003-01-14
Classification: B01L,G01N,Y10T

Abstract:
A metering head that is freely movable using a device for traversing the metering head, the metering head comprising:a plurality of metering devices, which, as individual metering devices or as metering device blocks, are provided with respective activating devices individually or in blocks, wherein the metering devices comprise picking needles or micropipettes arranged in accordance with orientation of sample volumes in a microtiter plate, the activating devices each being formed by a pneumatic cylinder having an actuating needle for activating the metering devices or metering device blocks, and a controller traversable with the metering devices provided with control outputs whose number at least equals the number of pneumatic cylinders and which are connected with an accompanying control output by a pressure line, such that the metering devices or metering device blocks can be independently activated during metering head operation.