eQuake-NOVA
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eQuake-NOVA - Image 4

eQuake-NOVA

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Description

This product is the most innovative & high-tech solution for seismic monitoring networks, developed by TDG. It includes an ultra low noise three component seismic internal accelerometer, which breaks the boundaries of conventional recorders. This digital system offers excellent noise performance and unmatched resolution, providing simultaneous sampled acceleration data through the ethernet interface. The product is equipped with an embedded linux powered single board computer system, easily handling all the connection, configuration, data processing, data transfer, event-handling and storage tasks. The unit offers the best price-performance ratio and the most innovative design of its class.

Features

  • Unmatched Price / Performance Ratio
  • Internal High-Tech Triaxial Servo Seismic Accelerometer
  • Ultra-High Resolution, Ultra-Low Noise Performance
  • DC-200 Hz Standard, Optional High-Frequency Bandwidth up to 400 Hz
  • ±2g, ±5g, ±15g Range Options
  • Up to 1000 SPS Sampling Rate
  • Direct-GPS Technology
  • >160 dB Dynamic Range
  • Nano-G Level Vibration Measurements
  • Embedded Linux
  • Ethernet  TCP/IP Communication
  • High Internal Storage
  • Compact & Robust Design

Applications

  • EARTHQUAKE MEASUREMENTS / EARTHQUAKE INTENSITY
  • MICRO-ZONING AND REGIONAL SEISMIC MAPS
  • SEISMIC STRONG MOTION NETWORKS
  • STRUCTURAL HEALTH MONITORING
  • UNDERGROUND RESOURCES, ENERGY, GEOTHERMAL, MINING, GEOLOGICAL RESEARCH
  • MICRO-TREMOR MEASUREMENTS
  • BLAST MEASUREMENTS

Spesification

Sensor And Digitization
Resolution 29 Bit, 224 counts / g, 32 Bit Data Output
Digital Conversion FPGA based ∆∑ Modulation, Filtering & Downsampling
Test & Calibration Automatic Selft Test & Remote Sensitivity/Calibration Control
Sampling Rate 1000.500.250.200.100.50 Samples I Second Selectable
Sampling Type Simultaneous
Sensor 3 Component, Ultra-Low Noise, True-Integrated Mass Based, Electro-Mechanical, Seismic FBA Grade Accelerometer
Measurement Range ±2g (±5g, ±15g selectable)
Frequency Range DC - 400 Hz
Cross Axis Sensitivity < 0.002 g/g
Test & Calibration Automatic Selft Test & Remote Sensitivity /Calibration Control
Dynamic Range* 160 dB*
Self Noise** < 0.2 μg rms (1 - 10 Hz. Below AHNM and NHNMJ
Filtering FIR Kasier (Anti-Aliasing) Filter Fe (Default): 16 Hz @.50 sps 36 Hz @.100 sps 60 Hz @.200 sps 83 Hz @250 sps 210 Hz @.500 sps 460 Hz @1000 sps (Different Fe values are possible)
Embedded System
Real Time Micro Controller 32 Bit ARM Cortex-M3 100 MHz
Linux Micro Controller ARM Cortex-AS 1 GHz
RAM 512MB
Opeming System GNU/LINUX Debian
Timing
GPS Synchronization Direct ADC Clock Synchronization with GPS Disciplined Oscillator
GPS Receiver 72 Chanel, GPS, GLONASS, BeiDou, Galileo
Time Signal Accuracy < 20 ns
NTP, PTP Available up on request
lnternal Recording and Triggering
Triggering Options Level STA I LTA (Independent for Each Axis)
Continuous Recording 15, 30, 60 minutes size selectable continuous circular buffer (MiniSeed)
Storage 4 GB On-Board Storage 8/16/32/64 GB SLC Type Micro-SD Card (To be specified at order) External USB Memory Connection
Pre Trigger Time 720 s
Communication
Ethernet TCP/IP, FTP, SCP, SSH Ethernet 10/100BaseT GPRS/EDGE/3G/4.SG/ ADSL ready
Data Transfer Seedlink (MiniSeed ) Server (Port & Ring Size selectable) Multi Client Support Special TDG Data Protocol Web Server FTP Server
Configuration Easy Configuration and File Access via Web Server Remote Control and Configuration
Secondary Comm. Interface Serial Port (Optional)
Power
Power Input 9 - 36 V DC
Power Consumption 12V/375mAh
Input & Output
Power, Ethernet, GPS Military Type IP67 Connectors
Display OLEO LCD Status, RAM, Voltage, Internal Temperature, Trigger information
Physical & Environmental
Dimensions 200x150 x 75 mm
Operating Temperature -30 c° ... + 70 c°
Storage Temperature -30 c° ... + 80 c°
Enclosure IP67, Metal Enclosure
Certification
CE LVD (2014/35/EUJ EMC (2014/30/EU)
Local Home (Inland) Produce Certification
Calibration TDG Calibration Lab. Factory Calibration
Software
TDG Software MONSTER EQ-LAB
3. Party Software SEISCOMP EARTHWORM SWARM