IGU-16HR 3C 2Hz

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IGU-16HR 3C 2Hz

IGU-16HR 3C 2Hz Seismograph with 15 s ~ 500 Hz bandwidth
Conveniently and quickly form various networked seismic arrays,
Combined with active and passive source methods,
obtain massive data for high-density array spatiotemporal measurement (DAM).
Suitable for scientific research and enterprise survey needs in different scale regions.

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

Enhanced Circuit Protection Significantly Extends Instrument Lifespan

Open Data Transmission Protocol Allows Seamless Integration with Mainstream Processing Platforms

Peripheral Equipment

Data download cable with parallel USB 3.0 high-speed data transfer;
4-port USB Hub supporting simultaneous data download from 4 devices;
Power adapter supports 4A current charging;
Supports 7–15V DC input; RJ45 connector compatible with various data transmission modules.
Complete Software Suite

Specifications

General Specification

Channels: 3
Dimensions: φ158 x 160 mm (without spike)
Weight: 5.4 kg (included internal battery and spike)
Protection Rating: IP68
Operating Temperature: -40℃ ~ +70℃
Charging Temperature: +3℃ ~ +45℃
Charging Time: < 7.5 hrs
Battery Life @ 25℃:
- 40 days @ 2 ms, 24 hrs/day operation
- 80 days @ 2 ms, 12 hrs/day operation
Memory: 64 GB (expandable to 128 GB)
Bluetooth QC: Available
Data Download: USB 3.0
External Power: 7-15 VDC

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 Removed
Maximum Input Signal: ±2.5 V peak @ 0 dB gain
Instantaneous Dynamic Range: 125 dB @ 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
Cross feed: < -110 dB
Inter-Channel Phase Difference: < 0.1 ms
Transverse 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
Bandwidth: 15 s ~ 500 Hz
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)