RION - Model DA-21 -4 Channel Data Recorder

The 4 channel Data Recorder DA-21 is capable of recording acoustic / vibration waveforms and various electrical signals in the field. Recorded data are saved in WAVE format on SD cards and can be imported into a computer for waveform analysis and other processing tasks. It is also possible to expand the number of channels up to 8 by connecting two units together. Signals recorded on the SD card can be analysed and processed using the supplied software or the AS-70.