ULVAC PT-500M PTI-500M-T Turbo Molecular Pump Controller. Condition: Used ULVAC PT-500M PTI-500M-T Turbo Molecular Pump Controller This product is 100% authentic. If you are planning to be in the situation with no internet, please let us know. We can accept return within 30 days after you receive it. International Buyers – Please Note. We do not mark merchandise values below value or mark items as “gifts” US and International government regulations prohibit such behavior.