This Applied Biosystems MDS Sciex QSTAR XL MS/MS System is in excellent condition and was removed from a working environment. This unit came from a local lab and was in use prior to removal. We urge customers to view all photos as they show overall condition, included accessories, and functionality. We can accept PayPal or your credit card. We will be happy to provide additional information as well as photos so please do not hesitate to contact us. MDS Sciex Qstar XL Mass Spectrometer equipped with: Turbo Ionspray Source Oerlikon Leybold Vacuum TW 690 MS Turbo Pump P/N 800052V0001 Combivac CM31 Vacuum Gauge Ionwerks TDCx4 4-channel Time to Digital Converter Bertan multi-component modular Voltage Control Panel with Mirror, Plate, Grid, and Liner Voltage Control Modules Perkin Elmer multi-component modular Control Panel with 024143 Nanospray Switch Module, 1005960 Pulser Module, 1002133 Signal Handling Module, Ortec 935 Quad CFD 200MHz Constant Fraction Discriminator Module, and Ortec 4001A BIN Power Supply Pre-Amp Module Track Page Views With Auctiva's FREE Counter