Seismic Seismic Source DAQlink 5-24 Channel

The DAQlink 5-24 is a high-resolution, 24-channel portable seismograph designed for active-source acquisition, passive monitoring, refraction surveys, and distributed seismic recording. It combines high-speed 24-bit ADC performance, compact size, low power operation, and flexible Ethernet networking. It is configured with a 54-pin connector for use with compatible seismic cables. For compatibility with 61 pin cables, please see the GeoDAQ listing. 

DAQlink 5 is the fifth generation of portable seismograph systems. It can be configured as a stand-alone monitoring system, a refraction system, or as part of a distributed seismic reflection system. Vscope software provides acquisition control, data QC, and file storage.

Multiple DAQlink 5-24 units can be stacked or networked together for larger high-channel-count systems, making the system useful for small crews, downhole acquisition, marine seismic, and large distributed seismic projects.

Features

• 1 to 24 channels per seismograph
• High-speed 24-bit ADC up to 64,000 samples per second
• Wide bandwidth from DC to 27 kHz
• Low distortion: better than 0.00008% THD at 500 sps
• Wide dynamic range greater than 124 dB at 500 sps typical
• Low noise: less than 0.15 µV RMS at 500 sps typical

• GPS clock discipline for continuous recording
• PTP support to synchronize multiple units
• VHF/UHF radio timing for underground use
• Trigger accuracy of ±1 microsecond at any sampling frequency

• Trigger on hammer switch for shot acquisition
• Trigger using GPS time for noise monitoring
• Trigger using LTA/STA for event monitoring
• Two trigger circuits available, one standard and one for low-voltage inputs

• 16 GB internal memory card standard
• Optional external USB-compatible memory plug for backup and transfer
• Ethernet connection for fast data transfer and remote storage
• Internal FTP server for external data access

• Use network connection to configure the seismograph and monitor acquisition
• Compatible with cable, Wi-Fi, and cellular data connections
• Optional network extenders connect DAQlinks together for high-channel-count systems
• Supports real-time data transfer

• Instrument tests for distortion, cross-feed, CMRR, impulse, and noise
• Sensor tests for resistance, frequency, damping, and sensitivity
• Internal tests verify both the instrument and geophone spread

• Stack units together for 48-channel and larger systems
• A single GPS module can synchronize all units in a DAQlink stack
• Supports distributed node-style systems using 100Base-T networks
• Data can be stored in RAW, SEG-2, SEG-D, SEG-Y, ASCII, CSV, and MiniSEED formats

• Power requirements: 11 to 28 VDC
• Power consumption: less than 0.13 watts per channel
• Size: 280 x 246 x 56 mm / 11.0 x 9.7 x 2.2 inches
• Weight: 2.0 kg / 4.4 pounds
• Operating temperature: -40°C to 80°C
• Sturdy milled aluminum case with IP67 weatherproof seal