VWR 97043-562 Standard Heavy Duty Vortex Mixer - Fair Condition 145832086396 but the front display shows

but the front display shows unit in 'Protect' mode

jammed on second test

Manufacturer Anritsu Model Number MN7464D SKU 19-40440 Ref 23-53151

but as trying to test

VWR 97043-562 Standard Heavy Duty Vortex Mixer - Fair Condition 145832086396 but the front display showsCondition Used Description This item is fully tested and in excellent working order. Item will come with a 30 Day Warranty. Cosmetically in fair condition showing moderate to heavier scuffs scratches blemishes from previous use. Includes Standard Heavy Duty Vortex Mixer 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