GSB-3

GSB-3 Data Recorder with Internal Battery

PRODUCT DETAILS

The GSB-3 is a three-channel, autonomous land wireless seismic data acquisition solution. An internal battery, charger, 24-bit digitizer, GPS receiver, and GLONASS receiver are enclosed in its sealed case. A built-in test signal generator and up to 32 GB of non-volatile, solid-state data storage allow for quality and reliable data. The GSB-3 can record data at a 2 ms sample rate for 24 hours a day, for 40 days. An external battery can be connected to extend recording time.

Features

  • Continuous, cable-free autonomous recording
  • 24-bit resolution and 124 dB instantaneous dynamic range
  • Connector for external geophone
  • Battery life: 40 days @ 24 hrs/day operation
  • Built-in, full-resolution test generator
  • Solid-state flash memory: 32 or 64 GB

Mechanical Specifications

Length x Width
16.94 x 8.89 cm
6.67 x 3.50 in.
Height
7.62 cm
3.0 in.
Weight
1.0 kg
2.2 lbs.
Operating Temperature Range
–40°C to +60°C
–40°F to +140°F

Electrical Specifications

Digitized 3C Recording Station
3 Channel, 24-bit A/D Digitizer
Digitization
24-bit Delta-Sigma
Sample Interval
0.25, 0.5, 1, 2, 4 ms
Pre-amplifier Gains
0, 6, 12, 18, 24, 30, 36 dB
Maximum Input Signal
1.77 Vrms
Equivalent Input Noise (@2ms sample interval)
0.17 μVrms
Gain Accuracy
Better than 1%
Anti-alias Filter
83% Nyquist
Instantaneous Dynamic Range
124 dB @ 2 ms sample interval
THD (Instrument)
0.0005%
Flash Memory
10 GB or 20 GB per channel
Frequency Response
1 Hz – 1650 Hz @ ¼ ms sample interval
Battery Module
40 days operation