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Sequoia Scientific

Returns / Contact Support

Reach Support


If you think you have a problem with your LISST or HydroLight / EcoLight-S product you can contact our support staff via support [at] sequoiasci.com or via phone +1(425) 641-0944. Note that our business hours are Monday – Friday 9 am – 5 pm Pacific Time.

PLEASE NOTE that for LISST questions we always need the following information:

  • LISST type and serial number (e.g. LISST-Portable|XR sn 785)
  • The raw data files(s) you are concerned about. These have a .DAT or .LOG extension depending on instrument type and model.
  • The zscat file you used for data processing.

For LISST hardware issues, please provide us a detailed description of the issue and what you were doing at the time when you discovered the issue.


RMA Returns

  1. In order to return an instrument to Sequoia for repair or service, please fill out the form below and wait for us to send you an RMA number (0-1 business days).
  2. When you have received the RMA number:
  3. Box the instrument responsibly in original shipping box(es).
    • Include communication cable and power supply.
    • Never take an instrument apart and ship it in pieces.
  4. If shipping from outside the USA:
    • Include Schedule B/ Harmonized code 9801001012 on all shipping documents.
    • Instruct your shipper to use DAP shipping terms, meaning you will pay the total cost of delivery to our door.
    • Include the following description on all shipping documents and your commercial invoice: ‘US GOODS RETURNED’.
    • Specify USA, not your country, as the country of origin (because it was manufactured in the US)
    • Download the Shipper’s US Goods Statement, enter correct information about your instrument, and include it with the documents you give to your shipper. NOTE: failure to include the completed document will cause delays at U.S. Customs and may incur handling fees.
    • Sequoia’s tax ID is # 91-166 87 83 if you need to include that information.
  5. DO NOT USE THE TERM ‘LASER’ ON ANY DOCUMENTATION. Use a functional description such as ‘Particle analyzer’ or ‘Sediment sensor’.
  6. Include a complete list of everything in the box.
  7. Write the RMA number on all boxes.
  8. Ship to Sequoia’s address:
    Sequoia Scientific, Inc.
    2700 Richards Road Suite 107
    Bellevue, WA, 98005
    USA
    phone: +1-425-641-0944.

 

Return Authorization Request Form

  • Technical Contact Information

  • Instrument Information

  • Date Format: MM slash DD slash YYYY
  • Return Shipping Address