The NRU ES4 is a 4C seismic recorder with a lower end 8 pin all-weather connector that allows connection to external geophones and hydrophones packaged together, ideal for transition zone operations. The NRU includes a 22 Ah 3-Series Li-Ion (242 Wh) internal battery, GNSS, BLE comms, 64GB data storage (expandable to128), SEG standard Seg Y, and Seg D data formats. The unit is a wireless, IP68 rated water- tight, continuous or “epoch programable” autonomous nodal recording unit.
 

Weight: 15.2kg
Dimensions: 48.8 x 29.2 cm
Thickness: 9.9cm
Battery Duration: 125 days @ 24 Hours