CSJ DELAY TRIGGER DIGITAL RECORDING SEISMOGRAPH
SHAO AN-MIN JIN DONG-MIN LI BAO-XIANG CHEN BAO-SHENG Gou SHAO-REN(Institute of Geophysics, Academio Sinica, Beijing, 100101)
The CSJ delay trigger digital recording seismograph is a portablt 3-channel seismograph based on digital recording. It was two work modes, trigger and timer controlled, to record regional seismicity and explosion. The companion CSJ playback system provides serial and parallel interfaces for covenient computer processing. Satisfying results have been obtained in field seismological observatory.