HP 4145B Semiconductor Parameter Analyzer With Floppy Disk and Software 135093608186 the timer LED starts cycling

the timer LED starts cycling from top to bottom

Manufacturer Festo Part Number 8001504 SKU 19-47524 Ref 23-66321

Manufacturer Grass Valley Part Number 610102302 Model Number APEX 75 Chassis SKU 19-55696 Ref 23-78870

Manufacturer TDK Lambda Model Number HWS15-24/A SKU 19-52820 Ref 23-73571

HP 4145B Semiconductor Parameter Analyzer With Floppy Disk and Software 135093608186 the timer LED starts cyclingCondition 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 Semiconductor Parameter Analyzer, Floppy Disk, and Software 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