Products
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Distributed High Resolution Seismic Recording System |
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Distributed DAQlink III Specifications: |
Electrical: |
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A/D |
24 bit sigma delta converter |
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Anti-Alias Filters |
85% of Nyquist frequency |
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Low Cut Filter |
User Selectable – DC, 0.1 Hz, 2 Hz |
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Filter Type |
User Selectable – Linear, Minimum Phase |
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Sample Rates |
1/16, 1/8, 1/4, 1/2, 1, 2, 4, 8, 16 ms |
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PreAmp Gain |
x2 (6 dB) & x32 (30 dB) standard |
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Max Input at x2 (Standard) |
3.58 Volts P-P x2 (Standard) |
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Bandwidth |
DC to 15 kHz |
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Power |
Less than 0.8 watts per channel |
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Input Impedance |
100k Ohms |
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Clock Sync |
GPS |
Physical: |
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Number of Channels |
24 |
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Temperature |
-40°C to +85°C |
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Humidity |
0 to 100% |
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Size |
13.0" x 9.0" x 4.8" (330 x 230 x 120 mm) |
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Weight |
15 lbs (6.8 kg) |
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Data Storage (Internal 16GB CF) |
120 hours (24 channels @ 2ms) |
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Data Storage (through Ethernet) |
Unlimited |
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Data Format |
32-bit float IEEE SEG-Y/SEG-D |
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LEDs |
Network Connect, Network Data Status and Battery |
Performance: |
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Trigger Accuracy |
± 1 µs at all sample rates |
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Dynamic Range |
Better than 118 dB (at 2 ms) |
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THD |
0.0012 % |
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Crosstalk |
Better than -125 dB |
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Common Mode Rejection |
Better than 100 dB |
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Noise Floor |
< 0.2 µV RMS @ 2ms |
Connectors: |
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RJ-45 |
Standard CAT-5 Ethernet |
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GPS |
4-pin Weatherproof |
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Trigger |
3-pin Weatherproof |
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Power |
2-pin Weatherproof |
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Auxiliary Port |
19-pin Weatherproof |
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Seismic Data |
55-pin Weatherproof |
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Up Network Port |
10-pin male Weatherproof |
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Down Network Port |
10-pin female Weatherproof |
Downloads: |
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Download Distributed DAQLinkIII Brochure |