37South Site Sentinel M1

The M1 is the waterproof, utility and environmentally-focused variant of the Site Sentinel® data logger and RTU family, providing integrated float switch and highly-reliable direct-to-host data monitoring in a single package, designed to operate in the field for up to ten years on a single set of batteries. The Site Sentinel® M1 enables high or low alarm level monitoring of sewer and drainage manholes or tanks.