EPS portable digital seismometer is a stand-alone and broadband seismometer. It is no need to lock the pendulum or adjust pendulum position, and the transfer function is very stable. EPS digital seismometer is embedded with three-component geophone sensors, high-sensitivity Beidou +GPS module, electronic compass, attitude sensor, bluetooth module and rechargeable lithium battery, which enable the … Continue reading EPS Portable Digital Seismometer