HAC600 handheld ultrasound/noise imager is a lightweight ultrasound/noise imager, consisting of an array of 128 micro microphones and a processor based on high-speed FPGA. It is a portable ultrasound acoustic imager that visualizes the location of abnormal phenomena such as gas leakage and discharge. The HAC600 handheld audio camera is designed based on ergonomic principles, making it easy to operate and adjust by hand. It can be widely used in power transmission, transformation, and distribution facilities in the power industry, as well as in the detection of gas pipelines, tanks, and valves in the petroleum and petrochemical industry.