Training, RMA, and more services. Spare Parts Otis Instruments offers spare parts for our products. These can be seen on our store. Check out our store! Training Otis Instruments offers a 3-Day Hands on Complete Product Technical Training class for all currently purchasable products for Distributors and End-Users of Otis products. Sign up for training! Return Material Authorization (RMA) When returning a product for repair, you must fill out our form and ship all items to our office. See the Retun Material Authorization Form How-To Videos For your ease, Otis Instruments has created videos to show the users how to properly use our products. See how-to videos! Resources Data Sheets, Operation Manuals and other documents regarding Otis Instruments products are available for your assistance. See our resources! Technical support centers If you need assistance, please contact us: 301 S. Texas AvenueBryan, Texas 77803Monday-Friday 8am-5pm CST Phone: +1 979 776 7700Fax: +1 979 776 7719services@otisinstruments.com