The NRU EL1 is a 1C seismic recorder with an internal geophone (2Hz, 4.5Hz, 5Hz, 10Hz, or other), an “extended life” (EL) 26.4-amp hour internal battery, GNSS, low energy RF comms, 8gB data storage (expandable 16, 32, 64, 128), SEG standard Seg Y, and Seg D data formats. The unit is wireless, IP68 rated water-tight, continuous or “epoch programable” autonomous nodal recording unit.
 

Weight: 914g w 10Hz phone
Battery Duration: 90 days @ 12 Hours