PM Coupler


Product Warranties


General Product Warranty: DK Photonics ensures that the products we supply to our clients have been through fully strict quality control from the purchase of raw materials to the whole manufacturing process. Our products will be free from defects in material and workmanship, and will meet the specifications stated in this catalog, under normal use and service when correctly installed, operated and maintained. This product warranty is effective for the period of time stated below, unless otherwise stated in the product literature.


Warranty Periods: Bare fiber components (such as bare fiber PLC Splitter, bare fiber FBT Coupler) are warranted for a period of 12 months from the date of shipment. High power components are warranted for a period of 24 months from the date of shipment. Other components are warranted for a period of 36 months from the date of shipment.


Warranty Service: If you find any defects in material or workmanship or any failure to meet the specifications during the warranty period, please contact with our sales representative about the problem without delay. Meanwhile, please submit the inspection report with picture about the problem description. Return the product to us in proper packaging, freight prepaid, We will do our best to solve the problem and find the solution or replace the products for you, at our option.


Warranty Limitations: The above warranty does not apply to products which are repaired, modified or altered by any party other than DK Photonics; are subjected to unusual physical, thermal, or improper installation, misuse, abuse, accident or negligence in use, storage, transportation or handling, or tampering; or to products which are considered consumable items or items requiring repair or replacement due to normal wear and tear. On-site warranty repair is not covered under this warranty.


Non-Warranty Repairs: If a product that is not covered by the above warranty needs repairing, we will first provide an estimate of repair charges and then repair the product upon receiving authorization from you. Repairs are warranted for ninety days.


DK Photonics

high power isolator