Condition: For parts or not working

This Keysight (Agilent) 81570A optical attenuator is being sold for parts or repair. During testing, insertion loss failed at both wavelengths (1310nm and 1550nm), and linearity also failed at 1550nm at the 6dB setting. The unit is not in working condition and is offered as-is for repair attempts or use as a source of spare parts.

Included in the sale:
• Keysight Agilent 81570A Optical Attenuator module

The images provided are of the actual item you will receive. Please review them carefully for the cosmetic condition and what is included in the sale.

The Keysight (formerly Agilent) 81570A is a variable optical attenuator module designed for use within the 8157x attenuator platform. It is widely used in fibre optic network testing, component characterisation, and optical power level adjustment in laboratory and production environments.

The 81570A provides precise, repeatable attenuation across standard telecommunications wavelengths, making it a key tool for testing passive and active optical components.

Wavelength Range: 1250 nm to 1640 nm
Attenuation Range: 0 dB to 60 dB (typical)
Attenuation Resolution: 0.001 dB
Wavelength Settings: 1310 nm and 1550 nm (standard)
Connector Type: FC/APC (or as configured)
Form Factor: Plug-in module for Agilent/Keysight 8157x mainframes
Display/Control: Operated via compatible mainframe or GPIB/USB interface

Please refer to the Keysight website for full and current specifications.

Shipping & Returns Policy

Shipping Policy

• Processing Time: Orders are typically processed and dispatched within 1 business day.
• Shipping Methods: We offer Expedited Shipping to all destinations using UPS/DHL/Fedex/Royal Mail and other reputable carriers.
• Shipping Times: Mainland UK: 1-2 Business Days / Mainland Europe and USA: 2-3 Business Days / Rest of the World 5-7 Business Days.
• Shipping Costs: These are calculated at checkout based on the shipping method, destination and package dimensions.
• CUSTOMS AND TAXES: It is YOUR responsibility to liaise with customs in your country and ensure your package is cleared and any taxes are paid.
• Shipping Destinations: We ship worldwide.
• Tracking: Once your order is shipped, we will provide you with a tracking number via email.
• Insurance: All shipments are insured. In case of damage, please contact us via email within 48 hours of receiving the product with photographic evidence, please also ensure a report is logged with the delivery driver.

Returns Policy

• Return Period: In the event of an item being received which is 'not as specified', you can return your purchase within 14 days of delivery.
• Condition of Items: Items must be returned unused and in their original packaging.
• Return Method: All returns must be notified in writing to hello@ttinstruments.com, the email should accompany the order number, date and reason for return and must be within 14 days of delivery.
• Restocking Fees: A restocking fee of up-to 20% is applicable for items returned for any reason other than 'not as specified'.
• Refund Method: Refunds are processed to the original method of payment within 5 business days of receiving the return.
• Exchanges: We do not offer exchanges. It will either be a replacement or a refund.
• Return Shipping Costs: Return shipping costs will be borne by the customer unless the item is 'not as specified', in this case we will arrange for the return by way of a prepaid shipping label.