Check the listing for details. 🔥Agilent Optical Spectrum Analyzer Repair + Cal Evaluation Fee, All Models +++. Condition: Used. Listed at 200.00 USD. This is not for a purchase of a model but rather a repair estimate aka evaluation fee. And our prices are at a super affordable price and comes with calibration on all repairs! We can fix a variety of problems with your agilent osa Including : 1. Slit wheel motor error 2. No noise floor 3. No sweep 4. Freezing up 5. Display blank 6. Cosmetic and face damage( any damage in general. We have tons of parts! 7. We can retrofit options into your unit like opt 4 and 6 and a battery for portable use 8. We can also throw in your choice of laser diode output which agilent never offered. Switched on the side . Theres plenty of empty space in side to customize. 9. Failing auto measure and or auto realign 10. No bootup 11. Converting to ssd for faster startup(work in progress) 12. Low power or signal input problem Most of what we do is monochromator work with motors and such. Most people charge around 8k$ for a full overhaul. We just do whats neccessary and no more so we keep our prices 1/8 to 1/4 of every single competitor guaranteed! We will beat anyones price by more than half off! Then we offer a standard 6 month warranty, or a 1 yr warranty for slightly bit more. Have a different brand? We can look at those too. We can likely fix them as well. We will be expanding soon. We do specialize in the agilent 81640/2 A/B 43/45 line And have a stockroom of parts units of them. For Over 20 Years, Test CAL Instruments has been major player in the electronic test equipment industry on the West Coast. Located in the LA/OC area Of California, We Specialize in Sales, repairs, modifications, calibrations, parts, refurbishing of All Test Equipment. We specialize in these models and Spectrum Analyzers in general. You will not find another dealer quite like us who repairs, refurbs and calibrates what we sell. We back all sales up with repairs at our cost when out of warranty and repairs or exchanges when / if you ever have a problem! WE SHIP WORLD WIDE! GOVERNMENT AND UNIVERSITY P.O.'s ACCEPTED!