This Apricot Designs PP-550-4S Personal Pipettor is in real good condition and guaranteed to functions 100%. It came from a local lab that was upgrading equipment and we can accept pay pal or your credit card. Please contact me with any questions. ? pipette volume: 1?l to 550?l ? precision: 2% CV at 250 ?l (typical, liquid-to-liquid transfer) ? accuracy: +/- 1% at 50?l ? resolution: 1?l ? pipette tips: Apricot regular disposable tips; fixed tips ? dimensions: 28cm(11.0") width x 30.5cm(12") depth x 45.7cm(18") height ? weight: 34.2kg(75.4lb) ? maximum allowable labware height: for disposable tips 4.83cm(1.9") for non-disposable tips: 4.83cm(1.9") for Teflon body pipetting head: 6.60cm(2.6") ? power requirement: 50/60hz, 100v - 240v When a higher liquid handling throughput is required, PP-550N-MS is a true candidate. PP-550N-MS inherits all the precision, accuracy and durability of the PP-550DS. PP- 550MS features a 4-station labware transporting mechanism, and instead of front panel control it is programmed via an external computer. A series of instructions can be inputted by an ingenious, user-friendly, graphical user interface. PP-550N-MS is also designed to work together with other laboratory devices such as plate washers and plate readers. PP-550NMS is highly regarded as an ideal assay development tool in the drug discovery processes. Track Page Views With Auctiva's FREE Counter