Minarik Drives VT8 Series is the only choice when it comes to digital tachometers. The VT8 Series provides a simple and accurate readout for any object that has an optical encoder, magnetic pickup, or anything else that can generate a frequency related to what you wish to measure. There are four modes to choose from: tachometer mode for speed in any engineering unit, time in process for indicating the duration of an application, the inverse of speed (such as minutes per revolution) and basic totalizer for counting the frequency of speed sensor.