DSU3BV is a version of the DSU3 that can be buried and it is waterproof up to a depth of 15m. Based on the leading digital accelerometer technology and totally integrated with the 428XL system, DSU3BV provides improved coupling and noise immunity for transition zone applications or micro-seismic recording. Integrating the leading MEMS technology, DSU3BV offers low power consumption and high-fidelity measurements over a large bandwidth and ultra-low distortion.