Vacuubrand MD 4C NT Vacuum Pump 142450840507 after about 5 min of

after about 5 min of operation the signal stays steady

Manufacturer BOSE SKU 19-02221 Ref 23-127087

Manufacturer SMC Model Number CXSM25-150-XB11 SKU 19-41597 Ref 23-55467

Manufacturer Agilent Model Number 122-5532 SKU 19-87354 Ref 23-127217

Vacuubrand MD 4C NT Vacuum Pump 142450840507 after about 5 min ofCondition Used Description This item is fully tested and in excellent working order. Item will come with a 30 Day Warranty. Cosmetically in good condition showing minor scuffs scratches blemishes from previous use. Includes Vacuum Pump as pictured. No additional items or accessories are included. Unless pictured, no power adapter power cable included. Photos are of the actual unit for sale. Inventory is on hand and ready to ship. Please feel free to