Multi loop controllers are used to control a thermal or process machine in systems which need more than one control loop within a single system. Multi loop controllers are capable of small machine control with advanced features and options. https://youtu.be/dAg7ZPpU1rw Specification: Brand : HELION place of origin : Mainland China Color classification : BD4503-RS (2-channel RT Package includes: 1 x HELION Multi-loop Temperature Controllers BD4503 Facebook Instagram Pinterest