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e-QUAKE-DIGI

24-BIT SEISMIC DIGITIZER
  • 24 Bit ADC
  • 3/6 Channel Versions
  • 1.2 Micro-volt RMS Noise
  • Direct GPS Technology
  • Compatible with All Seismic Sensors
  • Dual-ARM Processor
  • Embedded Linux
  • EASY-REC Recording Technology
  • Easy Access over Ethernet- TCP/IP
  • High Capacity USB External Storage
  • New and Innovative Technological Design Platform
  • High Benefit/ Cost Rate
  • Robust and Portable Design
  • Shock-Proof Enclosure
  • Overview
  • Technical Specifications
  • Product Pdf
e-QUAKE-DIGI
 
24-BIT SEISMIC DIGITIZER

e-QUAKE Series has been designed with a state of art technological approach. This
series contains Seismic Digitizers, Seismometers, Strong Ground Motion Recorders and
Broadband Sensors at a dynamic range up to 140 dB and with a resolution of 24 Bits.
 
Seismic Digitizers (e-QUAKE-DIGI) have 2 different versions including 3 and 6 channels.
E-QUAKE DIGI is compatibale with all seismic sensor types including force balanced
accelerometer (FBA), velocity sensors, broadband weak motion sensors.
 
Whereas 3 component Force Balanced Accelerometer, Broadband and Short Period
seismometers could directly connect to 3 channel version, the 6 channel version is an
ideal solution for hybrid type measurements which contain both accelerometer and
broadband band sensors (Accelerometer + seismometer)

AREAS OF USE
 
Seismic Strong and Weak Ground Motion Monitoring Networks
Geophysical Research
Micro Tremor Measurements
Geological Researches / Mining/ Oil
Ocean Bottom Researches
Structural Health Monitoring / Ambient Vibration
Factory Vibration Measurements

                                                              e-QUAKE-DIGI-3 e-QUAKE-DIGI-6
ADC Resolution                
 
24 Bit
 
Synchronization
GPS based simultaneous sampling – independent ADC/
channel
 
Sampling Speed
1kHz, 500 Hz, 200 Hz, 100 Hz, 50 Hz, 20Hz, 10 Hz,
5Hz, 1Hz (2kHz/4kHz optional)
 
Dynamic Range / Noise
Level
 
140 dB / 1.2 micro-Volt RMS
 
Input Range
 
±12 Volt
 

Analog Input Channels
 
3 Sensor components
1 AUX / Temperature
6 Sensor Components
1 AUX
1 Temperature
Input Signal Type Differential (Best Performance) / Single Ended
 
Warning
 
Voltage – temperature – GPS – RAM status/ automatic –
sinus – square -user defined
Sensor Excitation
 
+5V, +12V, -12V (Standard)
Analog Filter
 
Anti-aliasing / low pass
 
DSP
Oversampling / downsampling / decimation / digital
filtering
 
Operating System
Dual ARM processor-embedded linux-real time
calculation features
 
Communication Interface               
Ethernet TCP/IP-ADSL-3G connection ready – data loss
 preventing transfer algorithm / RS232-optional
 
Data Storage
USB - flash memory (4GB - 8GB - 16 GB)/ Record
triggering/ STA/LTA/Other
 
GPS Resolution < 1μ second
 
GPS Functionality
Time – coordinate info, uninterrupted internal oscillator
signal when GPS signal is lost
 
Remote Connection TCP/IP - FTP Server - seedlink server* - web server
 
Lightning Protection Independent protection for each channel
 
Operating Voltage 12 VDC / 220V AC
 
Operating Temperature -40 °C ~ +70 °C
Enclosure / Connector
Shock-Proof Mobile Casing(NATO Cage Code A7423)-(optional
enclosure alternatives)/Connector IP67 (optional
military grade)