Graphtec America, Inc. 17462 Armstrong Avenue Irvine, CA 92614
Fill out my online form.
Sales email: inst.sales@graphtecamerica.com, Technical Sales 949.860.4186
If you are a tax exempt organization, please contact: inst.sales@graphtecamerica.com, or place your order by phone at 949.860.4186
Note: If credit card billing address and shipping address do not match, please call us at 949-294-0257
Customer Care 800.854.8385, Email: c.service@graphtecamerica.com Accounting: mtabucal@graphtecamerica.com
Normal Business Hours are M - F, 8 am - 5 pm Pacific Standard Time 
For authorized Graphtec datalogger instruments distributors 