422 6-digit Electromagnetic Preset Counter Introduction: Model 422 six-digit electromagnetic preset counter, which sends out a signal when the counter runs to a preset number, can be used for automatic control operations. Such as: switching machines, pre-selecting the number of pieces, indicating workload, etc. It is widely used in printing, textile, printing and dyeing, machinery and other industries. Technical Parameters: Model Display digit size(H×W) Preselected digit size: 3.4mm×1.5mm; Counting digit size: 4 x 1.8mm Operating temperature Relative humidity Maximum Accumulation Capacity DC:12-220V(various specifications and models); AC: 24-220V (various specifications and models) Counting speed This product can be tailer-made.