SPEEDSYS

Measuring, detection, monitoring and control devices, namely, electronic devices that measure and process input frequency signals to detect, measure and convert rotational speed of an equipment into electronic output signals for display, monitoring and control; Speed control devices, namely, electronic devices that provide electronic control signals for controlling rotational speed of an equipment; Rotational speed measuring apparatus, namely, electronic devices that measure sensor input frequency to calculate the rotational speed of an equipment; Tachometers, namely, revolution counters or frequency counters; Speedometers