Guowei - Model EQ206 -Node Seismograph
EQ206 is a portable node seismograph for large-scale active and passive source seismic exploration. Its main characteristics are wireless quality monitoring, node integration, low power consumption, and high reliability, supporting more than 10000 active and passive source operations(the most economical large-scale solution). This product is widely applicable in various fields of oil and gas, coal resource exploration, and engineering exploration.
2D and 3D Seismic Exploration of Coal and Oil and Gas resources/Survey of Goaf
Dam Foundation Investigation/Shallow Surface Geological Survey/Building Foundation Survey
Road Airport Engineering Survey/Survey of Urban Subway Transportation Engineering
Earthquake Prevention and Mitigation and Earthquake Safety Assessment/Teaching and Research in Universities
Natural Frequency: 5Hz
Sensitivity: 190V/m/s
Frequency Range: 0.15~1600Hz
Size: 107.5mm*107.5mm*125.5mm(without cone)
Weight: <1.3 kg(with battery without cone)
Waterproofness: IP67
Operation Temperature: -40?~85?
Channels: Single Channel
Endurance: Built-in battery, typical working conditions, with a range of 30 days
(under normal operation condition).
AD Converter: 32 Bit ADC
Preamplifier Gain: 0dB, 6dB, 12dB, 18dB, 24dB, 30dB, 36dB
Sampling Interval: 4ms, 2ms, 1ms, 0.5ms, 0.25ms
Maximum Input: 5V
Dynamic Range: 123dB(1ms Sampling Interval, 0dB Preamplifier Gain)
Synchronization Accurancy: ≤1μs(After GPS signal lock)
Noise Level : 0.11μV RMS(1ms Sampling Interval, 0dB Preamplifier Gain)
Common-mode Rejection: >110dB(1ms Sampling Interval, 0dB Preamplifier Gain)
Harmonic Distortion: <-122dB(1ms Sampling Interval, 0dB Preamplifier Gain
Number of Channels : 32Channels(Charging and data recovery at same time)
Weight: 88 kg
Size: 1520mm*820mm*270mm
Data Transmission Interface: RJ45 Ethernet
Charging Current: Single Channel Max 4A, 32Channels Max 116A
Input Power: 220V/110V AC, Max Current 8A, Max Power 1760W