Forum Classified Ads      UPI50 instruments for sale or trade Posted by: David Harvey (PID_1427), E-mail: Address, on September 29, 2008 at 16:13 : I have six upi 50 instruments circa 2000-2001, with from two to four pulsers each. These are in the compaq - pc box configuration. All documentation included. Anyone interested? Forum Classified Ads Help