GS-ONE OMNI Geophone
PHYSICAL SPECIFICATIONS
| Moving Mass |
13.2 g |
0.466 oz |
| Maximum coil excursion p-p |
4.06 mm |
0.16 in. |
| Minimum coil excursion p-p |
1.02 mm |
0.04 in. |
| Diameter |
30.5 mm |
1.2 in. |
| Height |
40.7 mm |
1.6 in. |
| Weight |
130 g |
4.60 oz |
| Operating and Storage Temperature Range |
–40°C to +100°C |
–40°F to +212°F |
ELECTRICAL SPECIFICATIONS
All parameters are specified with 7.5 kΩ load at 25°C in all tilt positions unless otherwise stated.
| Frequency |
15 Hz |
| Spurious Frequency |
>160 Hz |
| Distortion at Horizontal |
0.05% Typical |
| Resistance with 7.5 kΩ load |
1450 Ω |
| Sensitivity at 70% Damping |
69.2 V/m/s (1.75 V/in/s) |
| Damping |
70% |
| Distortion at all tilt angles |
<0.2% measured at 15 Hz with 0.2 in/s p-p |
Hydrophone Deepender™ 5000-X
PHYSICAL SPECIFICATIONS
| Maximum Operating Pressure |
34.5 MPa (5,000 psi) |
| Maximum Working Depth |
3450 m (11,319 ft.) |
| Operating Temperature Range1 |
–10 to +75°C (+14 to 167°F) |
| Outside Diameter |
50.8 mm (2.0 in.) |
| Length |
38.1 mm (1.5 in.) |
ELECTRICAL SPECIFICATIONS
| Nominal Capacitance (at 25°C 1atm) |
20.0 nanofarads |
| Voltage Sensitivity2 |
4.0 μV/μBar |
| Sensitivity (dBv ref 1μPa @ 25°C) |
–181.9 dB re 1nC/μPa |
| Frequency Response (into 2 MΩ load) |
3 –15,000 Hz |
MECHANICAL SPECIFICATIONS (Housing)
| Length |
475 mm |
18.7 in. |
| Width |
208 mm |
8.2 in. |
| Height |
106 mm |
4.25 in. |
| Weight in Air |
17.0 kg |
37.5 lbs. |
| Weight in Seawater |
9.9 kg |
21.8 lbs. |
| Maximum Operating Pressure |
34.5 MPa/345 Bar |
5,000 psi |
| Maximum Operating Depth |
3,450 M |
11,316 ft. |
| Operating Temperature Range |
–5°C to +35°C |
+23°F to +95°F |
| Storage Temperature Range |
–10°C to +40°C |
+14°F to +104°F |
ELECTRICAL SPECIFICATIONS
Digitized 4C Recording Station: 4 Channel, 24 Bit A/D Digitizer 3C Orthogonal oriented GS-One OMNI 15 Hz Geophones 1 DEEPENDER Hydrophone
| 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 |
1.8 Vrms |
| Equivalent Input noise (@2ms sample interval) |
0.17 μVrms |
| Gain Accuracy |
Better than 1% |
| Anti-alias Filter |
83% Nyquist |
| Instantaneous Dynamic Range |
124dB @ 2 ms sample interval |
| THD |
<0.2% |
| Distance Between Digitizer & Farthest Sensor |
<18 cm |
| Distance Between All Sensors |
<13 cm |
| Flash Memory |
32 GB per channel |
| Frequency Response |
1 Hz – 1650 Hz @ ¼ ms sample interval |
| Battery Module |
125 days operation |
