Condition: Seller refurbished

Calibrated. Tested and fully functional. Cosmetic imperfections are present but do not affect performance.

Calibrated till Feb 2026

Included in the sale:

• Keysight N4694A 1.85 mm 2-port Electronic Calibration (ECal) module (Option 00F)
  
• Two Keysight torque wrenches (sealed)
  
• Two spanners: hook spanner (08513-20014) and open-ended 9/16 in & 1/2 in spanner
  
• White cable (as photographed)
  
• Wooden storage/carry case with foam insert
  

The Keysight N4694A is a 2-port 1.85 mm Electronic Calibration (ECal) module covering 10 MHz to 67 GHz for vector network analyzers. ECal provides a single-connection calibration using fully traceable electronic impedance standards, reducing operator error and connector wear while improving speed and repeatability. Each module stores its characterised S-parameter data internally to deliver consistent results and is designed for use with Keysight PNA-series VNAs.

View product document here

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.