Unless otherwise stated, MARTEK INSTRUMENTS, INC. warrants its equipment to be free from defects in material and workmanship and to perform in accordance with applicable specifications for five years (one year for portable equipment) from date of shipment. All conductivity sensors are guaranteed for life.

MARTEK will provide free service at the factory, including parts, labor and transportation back to the customer, for any malfunction of its products which are returned transportation charges prepaid.

Customers desiring to return a product to MARTEK for repair should contact the Service Department by telephone at (800) 628-8834, fax (919) 790-2375, or e-mail: info@martekinstruments.com to obtain return authorization. The information required will be the complete model number and serial number of the product and a brief description of the problem.

All shipments to MARTEK must be freight prepaid and addressed as follows:

A complete and detailed statement of the reason for return should accompany the unit. If possible, include a copy of sample reading or a printout.

Returned units should be packed as well as they were when first shipped. If possible, use the original packing. Do not return detachable cords or manuals with the unit.

MARTEK reserves the right to void this warranty if the product has been subjected to misuse, neglect, accident, improper installation or application, and for consumable items such as batteries, membranes, or solutions.

This warranty is expressly in lieu of all other obligations or liabilities on the part of MARTEK. MARTEK neither assumes nor authorizes any other person or organization to assume on behalf of Martek any other liability in connection with the sales or use of MARTEK instrumentation