1. The Omron G3FV-A2037 is an Automation Ratio Control Relay.
2. It is a compact and cost-effective device that accurately adjusts ratio control.
3. The relay can be used for controlling of water and air ratio, pumps, and motors. It features easy installation, with the ability to accept one or two sensor input signals and can interface with pressure, temperature, or flow sensors. Additionally, it features a large display, with instantaneous and cumulative displays showing the amount of water and air.