Hanna HI-8410 Panel Mounted Dissolved Oxygen ControllerThe HI8410 is a panel mounted dissolved oxygen controller that is used to maintain and monitor the concentration of DO in a wide range of industrial process applications. The HI8410 uses a Galvanic probe that typically requires less maintenance than a Polarographic style making it ideal for long term monitoring. The set point for controlling the activation of a relay is adjusted manually by the user. An alarm relay is also manually adjustable and is