... cycle is 300ms (20ms in fast reading state).Transmitting time: 0.5msFour wires (from left to right): Negative power (-), ... Data D, positive Power (+).Pulse range of data: 0Level < 0.2V, Level 1 > 1.3V.Clock pulse CP: 90K HZ ... and absolute measurement and tolerance zone setting.Vernier Caliper(digital caliper,electronic digital caliper,plastic digital caliper,stainless digital caliper,depth caliper)