SCU-1500 Edwards PT59-Z1-Z00 Turbomolecular Pump Controller Turbo Working Surplus. This SCU-1500 Edwards PT59-Z1-Z00 is working surplus. Only items pictured are included: If a part is not pictured, or mentioned above, then it is not included in the sale. Pictured test equipment is not included or available for sale. For items with multiple quantities: The pictured item is not necessarily the one that will be sent. Serial numbers or country of manufacture may vary.