Gooch & Housego QS27-4S-B Acousto-Optics Q-switch 27MHz 4mm, has Minor Corrosion

Manufacturer: Gooch & Housego

Model: QS27-4S-B

Condition: Used. Comes in non-original packaging. This switch is in Fair cosmetic condition. The o-ring for the water connection in the previous installation failed, and there is corrosion and deposits from water outside and in the water fittings on the switch. Inside, there is one screw with light corrosion and one screw hole on the case where the water probably seeped in, also slightly corroded. The actual modulator itself looks in good condition.
The photos show the exact item(s) the buyer will receive.

Notes: This was removed from a decommissioned Baasel Lasertech SMP 65 and not tested separately.
No manuals, cords/cables, or additional items are included if not listed or shown.

Included:

• (1) G&H QS27-4S-B Q-Switch

Specifications:

• Manufacturer: Gooch & Housego Acousto-Optics
• Model: QS27-4S-B
• Acousto-optic Q-switch
• Frequency: 27 MHz
• Active aperture: 4 mm
• Acoustic mode propagation: Shear
• Water-cooled
• Formerly used in a Baasel SMP 65 Nd:YAG laser

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