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 2ms 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, 36dB
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 @2ms 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