The Automatic Screw Cap DeCapper opens or closes rows of 8 or 12 tubes at a time. No cap moves over open tubes which eliminates the risk of cross contamination. The torque monitoring ensures optimal sealing quality of your valuable samples. The laser sensor detects the tube height so that no adapters are needed for different tube sizes. The graphical touch screen interface simplifies programming and it clearly displays tubes to be capped or recapped which makes the DeCapper easy to operate.