Electro-Sensors is a leading manufacturer of industrial-duty machine monitoring sensors and hazard monitoring systems. Products include shaft speed switches and sensors, hazard monitors, 4-20 mA temperature sensors, slide gate and valve position sensors, belt alignment sensors, Modbus RTU I/O Modules, tachometers, counters, ring kits, signal conditioners, DeviceNet sensors, pulser discs and wraps, and vibration monitors. Most of our standard products can be customized to fit specific needs. Standard products ship within two days and have a 5-year warranty. We are proud to be an ISO9001:2008 ce