The DA-38A is a carrier wave type dynamic strainmeter with high frequency response of 10kHz. It features easy operation and excellent noise resistivity. Digital sensitivity setting method is adopted to enable easy and accurate setting. Also provided is digital display function of measurement value for reliable dynamic measurement. One unit is for one measurement channel, and two or more units can be installed in an exclusive case or rack to make a multi-channel system. In combination with TEDS transducer, sensitivity is automatically set.