Electro-Sensors, Inc. manufactures and sells industrial production monitoring and process control systems. The company offers monitoring and control systems that measure machine production and operation rates, as well as regulate the speed of related machines in production processes. Its speed monitoring systems include alarm systems; tachometers; various products that measure production counts or rates, such as parts, gallons, or board feet; and other devices that translate impulses from the sensors into alarm signals. The company's temperature application products consist of bearing, gear box, and motor temperature monitoring sensors. It also offers production monitoring devices that include a belt alignment and slide gate position monitors; vibration monitoring products; and tilt switch…