NetDAS – Embedded Linux Remote 24-bit Recorder
NetDAS-3 Embedded Linux 24-bit Data Recorder

24-bit Embedded Linux Remote Data Logger and Acquisition
DAQ Systems’ 24-bit embedded Linux data acquisition systems support seismic earthquake recording and sensor digitization logging. Data is GPS time-stamped in six formats and presented graphically in real-time and available with client/server Internet connectivity. The 24-bit USB analog-digital converter runs standalone with a Java data acquisition app. The client/server suite includes 24-bit data server, event triggering and recording, format conversion, real-time display and data stream concentration via a software hub. The hardware is modular with SoC CPU, non-stop Watchdog Timer power supply and state-of-the art GPS data time stamp. Data is stored locally on a 64GB MicroSD. Analog voltage or current sensors such as the solid data Accelerometer Accel-90 can be included internally or externally. The rugged NetDAS design makes it ideal for remote data acquisition applications.

- Accelerometer data logging and acquisition
- Seismic/earthquake recording, monitoring, logging and data acquisition
- Seismic and strong-motion networks on earthquake fault zones and volcanoes
- Low packet latency for Earthquake Early Warning (EEW)
- Laboratory and sensory data acquisition
- Seismic monitoring of dams, industrial facilities, bridges and structures
- Monitoring for land slippage/deformation for pipeline and railroads
- Homeland security, intrusion and tunnel detection

- Lowest cost full-featured 24-bit recorder
- Linux 3.X kernel
- Multi-channel wide dynamic range 24-bit simultaneous sampling
- Up to 12 channels at 24 bits
- GPS time-stamped data
- Real-time Internet (IP) connectivity over existing infrastructure
- Sampling up to low-audio band
- Continuous gap-free data
- Digital I/O
- 10-bit analog inputs
- Relay interface to plant DCS (Distributed Control System)
- Operates over optical fiber, Ethernet (Cat-5) or wireless networks
- Encryption for high security
- Real-time graphical display
- Internet status messages and warnings
- MATLAB and other formats supported
- Software-controlled gain
- Military-style connectors
- Up to 64GB flash memory storage
- IP66 environmental rating

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