Canon CLI-400F Light Intensity Meter Analyzer / Photometer Photolithography 143282106555 but when you press the

but when you press the only button on the fault light comes on red but the device was also recognized by computer

Handset only

Manufacturer Butler Model Number V3-FDRH SKU 19-51676 Ref 23-72372

Manufacturer Newport Model Number 819D-SL5

Manufacturer Motorolla Part Number MC9598-KDCBAB0000U Model Number MC9598 SKU 19-46455 Ref 23-63817

Canon CLI-400F Light Intensity Meter Analyzer / Photometer Photolithography 143282106555 but when you press theCondition Used Description Tested Working pull, fully functional, 30 Day Guarantee! Great overall condition with some scuffs, scratches, or blemishes (See Photos). Pictures are actual item being sold. Includes item only as pictured with no other parts, cables or accessories. On hand and ready to ship. All offers considered, no reasonable offer refused. Specifics Manufacturer Canon Model Number CLI 400F SKU 19 26988 Ref 23 34631