Test ballpoint pen cartridges to conform with the company's specifications.
What does a Ballpoint Pen Cartridge Tester do?
Tests ballpoint pen cartridges to determine conformity to company specifications: Selects and weighs cartridges to determine conformance to weight specifications. Inserts cartridges into holding devices on testing machine, starts machine that moves paper, and counts circular marks made by cartridges. Examines defective cartridges under microscope to determine cause of malfunction and photographs ballpoint to obtain visible evidence of malfunction, using camera.