The SR300 is a fully automatic, open analyzer system on a radioactive basis for radioimmunoassays (SR300) with a standard tube size of 12x75mm for coated tubes, coated beads and magnetic particles. Comprising a pipetting system, incubator, washer and measuring system, the instrument’s batch-oriented processing mode allows it to handle a maximum batch size of 280 tubes at a typical throughput of 180 tubes per hour.