Titan’s flexible, battery-powered Pulsite Solo digital rate and total indicator with dc power capability. These panel or surface mounting digital instruments that require no external power are designed to be as versatile as possible permitting customisation to suit the application. Programming is simple the front panel keys are used with easy to follow screen prompts.
Oxa named autonomy provider for SAMS project
I saw this kind of system working in Holland well over a decade ago. It seemed to work well. Best of luck for the project.