The Hanna HI2002-02 Edge is an advanced benchtop pH and ORP (oxidation-reduction potential) meter designed for accurate, reliable laboratory and quality-control measurements. It features a compact, tablet-style design with a large, easy-to-read LCD screen and touch-sensitive keypad, making it both modern and user friendly. The Edge meter automatically recognizes Hanna digital electrodes (pH and ORP) as soon as they are connected, pulling up calibration data, sensor type, and serial number—which speeds up setup and reduces errors. The instrument also includes Hanna’s exclusive CAL CheckTM and Sensor CheckTM diagnostics, which help verify electrode and calibration quality during use.