• Seismograph
• Rayleigh Wave testing
• Velocity of soil and rock
• Monitoring micro-movement of ground
• Rigidity testing of foundation
• Integrity testing of foundation pile
• Vibration monitoring
• GPS may be available

• All functions are performed under control of software, PC's entire characteristic is inherited;
• Rayleigh Wave data acquiring and processing are functioned simultaneously in the testing field;
• Software are DOS and Window compatible;
• User-friendly computer interface and strong error handling capacity;
• Input connect is protected in case of misoperation;
• System can be operated through standard keyboard, mouse, and/or film-covered buttons;
• Aluminum shell makes instrument beauty, strong, dust prove and good radiator;
• Full self checkable system for all specification so as to meet the need of ISO9000;
• Standard I/O terminal and communicable to external PCs;
• Anti-static electricity shock Design.

-Number of channel 
-Sample rate 
-Sample length 
-Frequency response 
-Preamplifer 
  Gain   Accuracy
  37dB,17dB        

-Alias Filter 
-A/D(IFP's) resolution 
-Stacker 
-Noise floor 
-Dynamic resolution 
-Cross feed isolation 
-Harmonic distortion

0.1Hz-5000Hz 
20K 

Low high&notch-filter 
22 bit(6 bit IFP's) 
32 bit 
<1uv,RFI,(rate 2.0ms)
126 dB(rate 2.0ms) 
>=100dB 
<=0.05%(rate 2.0 sm)

    CPU 
    RAM 
    Hard driver 
    Monitor 
    Dimensions 
    Weight 

    Environment

   Temperature
        Operating 
          Storage 
    Humidity 
          Operating 
          Storage

-20C^o ~ +50C^o
-40C^o ~ +70C^o

<95%(at 40Co) 
Waterproof