The PW 40 Microplate Washer is powerful, compact and programmable 8-channel and 2 x 8-channel microplate washer/aspirator, with built-in vacuum and dispensing pumps. It has been designed for use with 96-well flat, U- or V-bottom plates. Dispensing and aspiration head heights are user- adjustable, with vertical and horizontal needle positioning in the well (0.1 mm accuracy). Liquid level detectors on wash and waste bottles and vacuum sensors provide a consistent washing/aspiration process. Fully and easily programmable Wide selection of washing methods which can be combined for the most complex washing sequences. Connection of up to three different wash solutions User-guided washer operation and programming via two-line liquid crystal display showing current system statusMenu selection and detailed instructions entered with a simple-to-use keypadSimple daily maintenance, easy decontaminationAerosol cover protection