The Low-E Coating Detector quickly identifies the presence and location of thermally resistant Low-E coatings on energy-efficient single- and dual-pane glass. It’s a simple, non-destructive test that helps you recommend the right film with confidence. The unit never requires calibration and operates on a standard 9-volt alkaline battery (included). Why Installers Choose the GT960 Locate Low-E fast to verify coating presence and which surface it’s on before film selection. No calibration needed—ready to use out of the box for consistent, repeatable checks. Portable and simple—handheld design with 9-volt power for shop or field use. Specifications Model: GT960 Product Name: Low-E Coating Detector Function: Detects presence and location of Low-E coatings on single- and dual-pane glass Calibration: Not required Power: 9-volt alkaline battery, included Test Method: Non-destructive handheld probe Primary Use: Pre-installation verification for window film recommendations