The NRU U3 is a 3-component seismic recorder with 3 Internal orthogonal geophones (2 Hz,4.5 Hz, 5Hz, 10Hz, or other) to record full wavefield 3C seismic data. The U3 has 52.8-amp hours of internal battery, GNSS, low energy RF comms, 32gB expandable (64, 128) data storage, SEG standard Seg D, and Seg Y data formats. The unit is a wireless, IP68 rated water-tight,
continuous or “epoch programable” autonomous nodal recording unit.
 

Weight: 2114g w 2Hz phone set
Battery Duration: 120 days @ 12 Hours