ZLand® Specifications

 

Node specifications

Mechanical
     Weight: 4.8 lb (2.2 Kg)
     Height: 6 in (15.2 cm)
     Diameter: 5 in (12.7 cm)
     Detachable 5-in spike (12.7 cm)

Analog
      Number of channels: 1
     ADC resolution: 24 bits
     Sample intervals: 1/2, 1, 2 & 4 millisecond
     Preamp gains: 0 - 36dB in 6dB 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
     
Electrical
     Timing accuracy
     GPS disciplined to +/- 100 microseconds
     UTC

     Power
     Lithium-ion batteries
     Longevity: 288 hours**
     Recharge time: 5 hours - worst case

     Flash memory
     Capacity: 2 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:
     Empty ~ 250 lb (113 Kg)
     Full ~ 460 lb (209 Kg)
     Capacity: 48 nodes
     Height: 90 in (229 cm)
     Width: 48 in (121.9 cm)
     Depth: 21 in (53 cm)

An individual data collection and charging
rack (DCCR) can process up to 48 nodes.
With a five-hour turnaround,each DCCR
can process up to 192 nodes per day.
Multiple DCCRs can be joined together
into a network to increase harvesting capacity.

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

*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 ZLand spec sheet as PDF file