Keysight 5517DC30 Dual Frequency Laser Head 139uW US52500162 USED??/Untested

Keysight 5517DC30 Dual Frequency Laser Head 139uW 5.3MHz US52500162 Untested Units acquired from large industrial overstock. Please see pictures for condition and details. We do not have the ability to test these parts; however, we understand them to be in good working condition and guarantee them to work or your money back. Free shipping. USA Seller. Fast shipping. ZP1356 Keysight 5517DC30 Dual Frequency Laser Head 139uW 5.3MHz US52500162 Untested Item Specifics Factory Rated Description For sale is a Keysight 5517D Option C30 dual-frequency HeNe laser head for laser interferometer calibration and precision positioning systems. Functional Status: UNTESTED. This unit is industrial surplus and has NOT been bench tested for power output, beam alignment, or frequency lock stability. Sold AS-IS for parts, testing, or refurbishment. Mounting Base: Shows NO mounting screw marks or bolt wear, indicating minimal or no direct machine chassis installation. Cosmetics: Outer housing shows surface scuffs and light scratches across the top and side metal panels from handling and storage. Optical port and electrical connectors remain physically intact. Included in Sale