IGU-16HR 3C 2Hz ETH
IGU-16HR 3C 2Hz ETH
High-Resolution 3C Seismic Node with Low-Frequency and Ethernet Real-Time Data Precisely Unveiling the Subsurface
Main Features
Integrated Sensor, Digitizer, Communication and Control Capabilities for Efficient and Stable Field Deployment
Built-In DT-SOLO 2Hz Geophone Accurately Captures Deep Low-Frequency Signals
Precision Manufacturing Ensures Accurate and Consistent Instrument Transfer Function
IP68-Rated, Low Power, Long Battery Life, and Ultra-Wide Operating Temperature, Ensuring Reliability in Harsh Conditions
Improves Signal-To-Noise Ratio, Enabling Detection of Ultra-Weak Seismic Signals
Supports Ethernet Communication for Remote Control and Real-Time Data Transmission
Open Data Transmission Protocol Allows Seamless Integration with Mainstream Processing Platforms
Enhanced Circuit Protection Significantly Extends Instrument Lifespan
Peripheral Equipment
• Data download cable with parallel USB 2.0 high-speed data transfer;
• 4-port USB Hub supporting simultaneous data download from 4 devices;
• Power adapter supports 4A current charging;• Combined power and Ethernet cable supports 7–15V DC input; RJ45 connector compatible with various data transmission modules.
• 4-port USB Hub supporting simultaneous data download from 4 devices;
• Power adapter supports 4A current charging;• Combined power and Ethernet cable supports 7–15V DC input; RJ45 connector compatible with various data transmission modules.
Specifications
General Specification
- Channels: 3
- Dimensions: φ158 x 160 mm (without leveling nuts)
- Weight: 4.8 kg (including battery and leveling nuts)
- Protection Rating: IP68
- Operating Temperature: -40℃ ~ +70℃
- Charging Temperature: +3℃ ~ +45℃
- Charging Time: < 7.5 hrs
- Battery Life @ 25℃:
- 40 days @ 2 ms, 24 hours of operation per day, offline mode;
- 80 days @ 2 ms, 12 hours of operation per day, offline mode;
- 7 days @ 2 ms, 24 hours of operation per day, Ethernet transmission mode
- Memory: 64 GB (expandable to 128 GB)
- Data Transmission: Supports Ethernet data transmission
- Data Download: USB 2.0
- External Power: 7-15 VDC
- GNSS Mode: Support GPS, BEIDOU, GLONASS, with single- mode and dual-mode operation
Channel Specifications
- (Unless otherwise specified, all values are at a sampling rate of 2 ms, 31.25 Hz, and +25°C)
- ADC Resolution: 32 bits (The ADC offers 32-bit resolution, with a noise-free resolution limited to 24 bits)
- Sampling Rate: 0.25, 0.5, 1, 2, 4, 8, 10, 20 ms
- Pre-Amplifier Gain: 0 dB to 36 dB, 6 dB increments
- Anti-Aliasing Filter: 206.5 Hz @ 2 ms (82.6% of Nyquist); Selectable-Linear Phase or Minimum Phase
- DC Blocking Filter: 1 Hz to 10 Hz, in 1 Hz increments or DC Remove
- Maximum Input Signal: ±2.5 V peak @ 0 dB gain
- Instantaneous Dynamic Range: 125 dB @ 2 ms, 0 dB gain
- Equivalent Input Noise: 0.18 μV @ 2 ms, 18 dB gain
- Total Harmonic Distortion: < 0.0002% @ 0 dB gain
- Common Mode Rejection: > 100 dB
- Gain Accuracy: < 1%
- GPS Time Standard: 1 ppm
- Timing Accuracy: ±10 μs, GPS Synchronization
- Channel Crosstalk: < -110 dB
- Inter-Channel Phase Difference: < 0.1 ms
- Lateral Vibration Suppression: Better than 0.1%
- Inter-Channel Amplitude Consistency: 5%
- System Dynamic Range: 145 dB
- Frequency Response: 0-1652 Hz @ 0.25 ms
Geophone Specifications
- (Unless otherwise specified, all parameters are tested at +20°C with the vertical core in vertical conditions and the horizontal core in horizontal conditions)
- Natural Frequency: 2Hz
- Distortion: ≤ 0.30% @ 12 Hz, (0° ~ 7.5° ) vertical tilt, (0° ~ 0.5° ) horizontal tilt
- Damping: 0.70
- Sensitivity: 260 V/m/s (6.60 V/in/s)