A submersible pump monitor alarm provides early warning signs of machinery failure. These early warning signs can help reduce maintenance costs and downtime. ATC Diversified Electronics recently announced the expansion of their SPM dual function submersible pump monitor alarm relay series. The eleven pin plug-in format now has even more options including sensitivity adjustment, operating voltages, and over-temperature reset. Submersible Pump Monitor Alarm Specifications:  24v ac/dc or 120/240 vac control voltages Sensitivity adjustment of 1k [...]