单通道:102.4 kHz,双通道:51.2 kHz,四通道:25.6 kHz 100、200、400、800 和 1600 行分辨率 90 dB 动态范围,在扫描正弦波模式中为 130 dB 15 种测量和 7 种信号源信号 This standard instrument can perform spectrum, network, time and amplitude measurements in the range of DC to about 100KHz. The use of four-channel HP35670A can increase the measurement capability of the following occasions, in the vehicle to measure the noise in different places, three axial vibration measurement, or along the noise transmission path to collect data at different locations.