This Bio-Rad BioLogic BioFrac Fraction Collector with Rack Set H4 Cat # 7410016 is in great condition, has been tested and is guaranteed to be fully functional. This item came from a local lab that had surplus lightly used equipment. We urge customers to view all photos as they show overall condition, included accessories and functionality. Please feel free to contact us with any questions. MANUFACTURER DESCRIPTION The BioFrac Fraction Collector is ideal for analytical and preparative chromatography applications; it's easy to program and can be used for basic or complex fraction collection schemes at flow rates ?100 ml/min. Available as a stand-alone fraction collector or as a component of the BioLogic DuoFlow? and BioLogic? LP Chromatography Systems, the BioFrac Fraction Collector offers flexibility with numerous collection rack options, including both custom and off-the-shelf collection racks. SPECIFICATIONS Fractionation Time 0.01?99,999 min Drop 1?99,999 drops, flow rate ?5.0ml/min Volume 0.02?99,999 ml Collection mode Time, drop, time windows (up to 20 windows), peak detection (threshold), time windows plus peak detection, volume (flow rate ?100 ml/min) Peak detection Threshold, including slope detection algorithm for collection of double peaks above a set threshold Detector input 0?100 mV or 0?1 V Wetted parts All nonmetal, including Tefzel, PEEK Dimensions (W x D x H) 44.5 x 35.6 x 38.7 cm (17.5 x 14.0 x 15.2") Weight 6.9 kg (15.3 lb) Sample throughput 2?3 tubes per sec (test tube change times: ~330 ms with 13 mm tubes, ~450 ms with 18 mm tubes) Collection basis 1?999 drops in 1 drop increments, 0.05?9.99 min in 0.01 min increments, 10.0?99.9 min in 0.1 min increments Construction Case and carousel, polypropylene; front panel, hard-coated polycarbonate Drop former Silicone rubber Waste outlet tube Polyurethane Operating temperature 4?40C Safety Meets IEC 61010 and CSA 22.2 certification Rack Set H4 7410016 Pkg of 4, collection racks (flatpack), each holds 6 scintillation vials, 30 mm diameter, for a total of up to 24 vials