We welcome all questions and comments (and RFQs and purchase orders)! We will respond within 24 hours of receiving your inquiry. Thank you!

If you need immediate assistance, please use the numbers listed below:

Phone: 919-790-2371
Toll Free: 800-628-8834
Fax: 919-790-2375

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 email 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:

5201 Old Poole Road
Raleigh, NC 27610
Attn: Repair Department

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 Instruments does not require an RMA (Return Material Authorization) number. However, if you would like one, please contact us directly and we will provide one.