T200 is a high-precision and portable multi-beam echo sounder. It can combine with INS(inertial navigation system) and sound velocity sensor, can support Hypack, PDS and Qinsy. T200’s rugged design with additional protected cap will protect the transducer in water when some front crash happens. The advantaged bottom track algorithm can offer users reliable and accurate result.T200 is applied to hydrographic survey in channels, ports, sea, rivers and lakes.