Dionex GP50-2 Gradient Pump HPLC, Tested & working (Noisy Pump)
This system was freshly removed from an operational lab. It has been looked over and given a clean bill of health. The pump is noisy, and the LCD has the standard dionex warmup phase where there's lines going through the LCD until it warms up; it does go away after about 15 seconds. Comes with a 30-day money back guarantee!