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Model:Sigma 4+
Use:The Robust & Versatile Nodal Seismograph
Standard:SL 326-2005、gb50021-2017、DZ/T 0153-1995、SY/T 6052-2000
Sigma 4+ Improvements:
New Streamlined Case Design
Less Weight (33% less)
Same excellent performance as Sigma 4
Optional Internal Co-Processing RABbit Board
Hardware Features:
Continuous Recording Standard - For Monitoring and Autonomous Operation
Internal or External GPS - For clock discipline and location information
Optional Mesh Radio Network - A low-power network for deployment, plus command and control, of nodes
Cable, Wi-Fi, or Cellular Ethernet - Provides "in the field" data offloading while recording
Hot-Swap External Storage Option - For collecting data while recording
Optional Internal Battery (99 watt/hour) - Provides about 48 hours of operation
Optional Internal Sensor (2 Hz geophones)
Sensor By-Pass Connector - For calibration of ADC or internal sensors, also connection of other external sensors
Trigger connector - Trigger via hammer switch or voltage level change
Rugged IP67 Case
Available Software:
Event Monitor (Local Monitoring)
Tremor Cloud (Remote Monitoring)
Optional Active Acquisition Package
Plus all necessary utilities
Acquire Active Data:
Vibroseis w/ Force 3
Dynamite w/ BoomBox 3
Impulsive w/ RTM 3
Acquire Passive Data:
Hydraulic Fracturing Monitoring
Surface Wave Acquisition
Long-term Permanent Monitoring
Earthquake Monitoring
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