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Widely Usage Seismograph Micro-seismic Survey Test equipment
An engineering seismograph is a device specifically used to monitor
and record ground vibrations. It is widely used in engineering
projects such as buildings, bridges, and tunnels. The following is
a detailed introduction to engineering seismographs:
Product Overview:
WZG-24C engineering seismograph is mainly composed of three parts:
a seismometer, an amplification system, and a recording system. It
can directly pick up earthquake vibrations and convert them into
energy forms that can be recorded by the instrument. The electrical
signals are recorded in different ways to analyze the propagation
law of seismic waves in the earth's crust.
Key Features:
The main functions of the engineering seismograph include transient
multi-point Rayleigh wave exploration, shallow reflection
measurement, shallow refraction measurement, wave velocity (shear
wave) measurement, multi-wave high-density seismic imaging, pile
foundation detection, civil engineering quality detection, site
constant micro-motion measurement and vibration blasting
measurement. These functions make it widely used in foundation,
roadbed and foundation engineering detection, tunnel engineering
detection, operation observation of large and medium-sized
reservoirs, bridge engineering detection, and environmental and
geological disaster detection and evaluation.
Application Areas:
Engineering seismographs are widely used in many fields. In
geotechnical engineering, they can be used to detect underground
structures, evaluate foundation stability, and monitor seismic
activity; in mineral and hydrogeology, they can be used for
resource exploration and groundwater monitoring; in engineering
geology, they can be used to evaluate the safety of buildings and
monitor the impact of earthquakes on engineering structures; in
environmental and geological disaster detection and evaluation,
they can be used for landslides, karst, mudslides, goafs, and
active fault surveys.
Technical Specification:
Channel number | 24/48/96 channels |
Sampling points | 1024 samples, 2048 samples, 4096 samples, 8192 samples, 16384
samples Ground pulsation measurement 1M samples in several levels |
Sampling rate | 10μs, 25μs, 50μs, 100μs, 200μs, 500μs, 1ms, 2ms, 5ms, 10ms, 20ms Ground pulsation measurement is 1ms~200ms with multiple levels optional |
A/D converter | 24 bits |
Signal superposition enhancement | 32 bits |
Dynamic range | 144dB |
Passband | 0.1Hz~4000Hz |
Noise | 1μV in full frequency state |
Amplitude consistency | ±0.2% |
Phase consistency | ±0.01ms |
Distortion | ± 0.05% |
Delay | 0~9999ms |
Input impedance | 20K |
Channel crosstalk suppression | ≥90dB |
Low-cut filter steepness | software filtering |
High-cut filter steepness | better than 72dB/octave |
50Hz notch filter | 40dB |
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