Seismic Data Channels

4

ADC Resolution

24 bits

Sample Interval

2, 4 milliseconds

Preamplifier Gain

0 dB to 36 dB in 6 dB steps

Anti-Alias Filter

206.5 Hz (82.6 % of Nyquist) @ 2 ms, Linear Phase

DC Blocking Filter

1 Hz to 60 Hz, 6 dB/Octave, or OUT

Operating Temperature Range

-10˚C to +60˚C

Operating Life (100% Charge)

Up to 180 days

Battery

Charging Temperature Range +3˚C to +40˚C

Recharge Time < 30 hours

Acquisition Channel

(2 ms sample interval, 25°C, 31.25 Hz, internal test, unless otherwise indicated.)

Total Harmonic Distortion
0.0003% @ 12 dB gain, -3 dB Full Scale

Equivalent Input Noise
1.0 μVrms @ 0 dB
0.4 μVrms @ 12 dB
0.3 μVrms @ 24 dB
0.3 μVrms @ 36 dB

Full Scale Input Signal
2500 mV peak @ 0 dB
625 mV peak @ 12 dB
156 mV peak @ 24 dB
39 mV peak @ 36 dB

Gain Accuracy
0.50%*

Dynamic Range
120 dB @ 0 dB Preamplifier Gai

Crossfeed
<-100 dB Geophone Channels
<-80 dB Hydrophone Channel**

Common Mode Rejection Ratio
>+90 dB Geophone Channels
>+40 dB Hydrophone Channel**

DC Offset
<10% of Input Noise with DC Blocking Filter IN

Timing Accuracy
CSAC clock

Self Test Features

Internal Noise (preamp input terminated)
Internal THD
Internal Gain Accuracy
Internal CMRR
Internal Crossfeed
Internal Impulse
Sensor Impedance

Sensors

Geophone
3 orthogonal 10 Hz @ -3 dB, 70% damped 1.5 V/in/s (59.1 V/m/s)

Hydrophone
3.4 Hz @ -3 dB, 8.9 V/Bar

Orientation
±1.5° tilt indication
±5° azimuth (at Latitudes within ± 50° of the Equator)

Physical

Weight
213 lb (97 kg) in air, 110 lb (49 kg) in water

Dimensions
21 in. diameter by 10.5 in. high

Operating Depth
3000 meters

 * Does not include high-impedance low-cut filter for directly coupled hydrophone interface.

** Channel includes high-impedance low-cut filter for directly coupled hydrophone interface.


All specifications relate to Node Part Number 221.6605.0003 only.
FairfieldNodal reserves the right to change specifications without notice to provide the best possible product.
Drawing Number 601.0004.0003 – Z3000 Node (Version 3) Specification Sheet


August 2016

Click here to download a PDF of the Z3000 specs.