... Selectable installing the sensor on one of the A-phase, B-phase & C-phase of gap1 or gap2-Alternative for displacement ... speed for moving contact can be defined: percentage of total travel, percentage of open distance, time ,travel-Directly & accurately ... speed, opening & closing time. Specifications-Time-travel characteristic curve of sampling frequency, 40KHz,16 digits-Time measurement range, 0.1 ...