Your serial number can be found at the bottom of your device. The serial number is seven digits and begins with a letter.
Use the drop-down menu to select the product you are sending in. Please note that the SpectroDens2 indicated the SpectroDens with a black and white display and SpectroDens3 indicates the SpectroDens with a color display. As of 4/5/22, we are no longer able to source parts for the SpectroDens2, RS400, RS800, RT120, and T120, therefore, we are unable to service these devices going forward. These models are eligible to be used as a trade-in resulting in a discount towards the purchase of a replacement device – please reach out to discuss further! (978-777-1854 or info@techkonusa.com)