This MDS Sciex Qstar XL MS/MS System Spectrometer 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. MDS Sciex QstarXL Mass Spectrometer Turbo Ionspray Source Ionwerks TDCx8 8-channel, multi-stop, common start, time-to-digital converter Combivac CM31 Vacuum Gauge Bertan Modular Voltage Control Rack with Mirror, Plate, Grid, and Liner Voltage Control Modules installed Modular Control Rack with 024143 Nanospray Switch Module, 1005960 Pulser Module, 100213 Signal Handling Module, Ortec 935 Quad CFD 4-channel Constant-Fraction Discriminator Module, and Ortec 4001A BIN Module installed (2) Ultrak KM0900MN Monochrome CRT Video Monitors Right side door cover is missing Installation file disk Bertan Modular Voltage Control Rack power on , see photo. Manufacturer MDS Sciex Serial Number Y2190312 Model Qstar XL Voltage 207 - 242 VOLTS Frequency 50/60 HERTZ Current 20 Amp AMPS 01111111111111111111111111 Track Page Views With Auctiva's FREE Counter