Measurement function: rotational speed, count, peripheral speed Functions: external output, drop proof, maximum minimum average (MAX/MIN/AVE), numerical hold, auto power save (APS) Measurement range (rpm): 30.0 to 99990 Resolution (rpm): 0.01 Detection distance (mm): 50 to 500 Width (mm):71 深度(mm):38 高度(mm):186 外部通信:模拟输出 连续使用时间(h):30H 测量方法:非contact类型