90 Day Limited Warranty

National warrants software to be free from defects in material and workmanship under normal use and service for 90 days from date of purchase.

For warranty service, instrument should be well packed to avoid damage in transit, including a description of the difficulty, and shipped postage prepaid to National at the address on front. National will repair or replace at no charge and return postage prepaid.  For customers living outside the United States, National will provide standard warranty service.  However, inbound & outbound shipping cost is the responsibility of the consumer. If failure was caused by misuse, alterations, accident, or abnormal conditions of operation, an estimate for repairs will be submitted for your approval prior to work being performed.

If you have questions concerning this product or warranty, contact dealer from which it was purchased. Or contact National, asking for warranty assistance.

National Optical & Scientific Instrument Inc.
11113 Landmark 35 Drive, San Antonio, Texas 78233

Telephone (210) 590-9010