Node specifications

Mechanical
     Weight: Wet 213 lb (97 Kg)/Dry 110 lb (49 Kg)
     Diameter: 21 in (53.3 cm)
     Depth rating: 3000 meter
     Height: 10.5 in (26.7 cm)

Analog
      Number of channels: 4
     1 hydrophone, 3 orthogonal geophones
     ADC resolution: 24 bits
     Sample intervals: 2 & 4 millisecond
     Preamp gains: 0 - 36dB in 12dB steps
     Bandpass: DC to 85.8% Nyquist
     Low cut filter: Out, 1-60 Hz @ 6dB/octave
     Distortion (THD)* <0.0006%
     Gain acc ch to ch: 0.50%
     EIN RMS (preamps shorted)
          0 dB 1.8 microvolt
          12 dB 0.6 microvolt
          24 dB 0.4 microvolt
          36 dB 0.4 microvolt
      Maximum input signal RMS
          0 dB 1,767.5 millivolts
          12 dB 442 millivolts
          24 dB 110 millivolts
          36 dB 27.5 millivolts
     Common mode (CMRR)* >90dB
     (>40dB hydrophone)
     Crossfeed: >100 dB
     (>80 dB hydrophone)

Electrical
     Timing accuracy
     Uncorrected: +/- 35 ms @ 60 days
     Corrected: +/- 1 ms or ½ sample interval

     Power
     Lithium-ion batteries
     Longevity: 60 days
     Recharge time: 30 hours - worst case

     Tilt indication: +/- 1.5º
     Azimuth indication: +/- 5º
     (at latitudes +/- 50º of equator)

     Flash memory
     Capacity: 32 Gbyte

     Data interface
     Diagnostic: RS232
     Data download: proprietary HS serial

     Status LED indicating
     Power ON, acquisition, error

Data recording station specifications

Data harvester

Mechanical
     Weight: ~ 98 lb (44.5 Kg)
     Capacity: 6 nodes
     Height & width: 13 in (33 cm)
     Length: 48 in (121.9 cm)

A single group of up to eight data collection
and charging stations (DCCS) with one node
box can process up to 48 nodes. Multiple groups
may be networked together simultaneously.

Data sorter

Mechanical
     Equipment rack
     Height: 54.5 inch (138 cm)
     Width: 24 inch (61 cm)
     Depth: 29 inch (74 cm)

Multiple workstations
     Flat panel display, keyboard, mouse

Electrical
     Data storage
          RAID (Level 6)
          Capacity: multiples of 10.5 TB

     Output media
          MDR, USB , eSATA disks and 3592 tapes

     Output format
          Receiver gather

Environmental
     Power: 85 to 264 VAC, 47 to 63Hz
     Operating temperature: +32 to 122ºF
     (0 to 50ºC)**
     Humidity: 5 to 95% non-condensing**

 

*2-millisecond sample rate @ 12dB K-gain
**Temperature and humidity specifications may
vary due to media selection

FairfieldNodal reserves the right to change
specifications without notice.
Aug 2010

Download Z3000 spec sheet as PDF file