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Based on WZG-24 engineering seismograph, WZG-24B Engineering 

Seismograph is developed as a 24bit instrument under English version 

WINDOWS operating system. With years of designing and manufacture 

experiences, and accepting latest electronic technologies and design 

ideas, WZG-24B features multi-function, high accuracy, high speed, 

reliable data and good expandability. In addition to WZG-24B main 

unit, an industrial computer or notebook is also must to collect data 

and to communicate with it through USB port, in association with an 

integrated rechargeable battery which can continuously last for eight 

hours.
Seismic source may be hammer, electric spark or explosion. It is 

extremely suitable for wave velocity testing (sheared wave), surface 

wave detecting, pier foundation inspection, ground micro-tremor 

survey, seismic imaging, shake measurement, and reflection 

and refraction survey. It is extensively applicable in hydrogeology, 

electric power, railway, bridge, city construction, traffic and other 

engineering geological field prospecting as well as in exploration of 

petroleum, coalfield, uranium ore, groundwater and other resources.
Main Function

Wave speed (sheared wave) survey
Transient multifold Rayleigh wave prospecting
Multi-wave high density seismic imaging
Shallow refraction survey
Foundation pile inspection
Civil engineering quality detection
Site constant shake survey
Shake-to-blasting survey
Technical specifications:

Channel: 6/12/24/48 
Sample stations:
1024, 2048, 4096, 8192, 16384
Micro-seismic survey, 1M sampling, several notches 
Sampling frequency:
10μs, 25μs, 50μs, 100μs, 200μs, 500μs, 1ms, 2ms, 5ms, 10ms, 

20ms
Micro-seismic survey: 1ms～200ms, selectable 
A/D converter: 24-bit 
Signal stack and amplification: 32 bit 
Dynamic range: 144dB 
Frequency pass bands: 0.1Hz～4000Hz 
Noise: 1μV(full-frequency) 
Amplitude consistency: ±0.2% 
Phase consistency: ±0.01ms 
Lapse-time: 0～9999ms 
Host computer (Industrial PC)
PIII 533MHz
EMS memory: 128M
Disk: no less than 40GB
CD-ROM: interior
Display: 800 600 VGA LCD (TFT true colour)
Input: Chinese character tablet, small keyboard, photoelectric mouse
Port: double serial port, one parallel port, double USB port, mouse 

port, 
keyboard port
Flash-Memory: 32M 
Data format: SEG-2 
Software package: 
Shallow reflection software
Rayleigh wave software
Micro-seismic collecting software
High density and high resolution lateral section survey transaction 

software 
Operating temperature: -10℃～ +50℃, 90%RH 
Memory temperature: -20℃～60℃ 
Power: DC 12V 4A (5.5A at 48 channel) 
Size: 400mm×310mm×180mm