The Bio-Rad 2128 Fraction Collector including 128 well sample tray. The Model 2128 Fraction Collector is used for automatic fraction collection in a variety of laboratory applications. It may be used as a stand-alone unit or as part of Bio-Rad's Econo System and HPLC chromatography instruments. The Model 2128 Fraction Collector is microprocessor controlled, with easy-to-use front panel controls and a menu-driven software interface for method setup. Instrument operation may be initiated from the front panel or by command from an external source. When not in use, the tube rack may be removed and the dispenser arm rotated to its storage position to minimize space requirements.

Features:
-Collection into microplates, microtubes, test tubes (12 mm to 18 mm in diameter and any height up to 180 mm), and bottles of any size
-Collection by drop count or time; collection by volume when under Econo System control
-Collection over the entire run, using Time Windows, Peak Detection, or combinations of Time Windows and Peak Detection
-Optional diverter valve for flow diversion and to minimize spillage during tube changes
-Menu-driven software for ease of programming
-Ability to start/stop an external pump and chart recorder
-Accepts a range of UV signal inputs for peak collection
-Rotating arm and removable racks minimize space requirements
-Removable drain trough for easy cleaning
-On-screen help function.