DSHQ-6B Engineering Seismograph (Surface Wave Instrument)

Main Function:

· Surface wave, high-density seismic imaging, pulse measurement, refraction，shear wave measurement, city blasting vibration safety evaluation, pile foundation testing, Realization of Various Seismic Methods; etc.

· High dynamic range, high technical index, fully meet the demands of city geophysical exploration; also provide an alternative selection for field exploration. Working system is on the base of Chinese Windows environment, powerful in functions, easy for operation.

· Humanized hand mouse, or touch panel directly manipulated. Realization of Various Seismic Methods; Surface wave, high-density seismic imaging, pulse measurement, refraction, shear wave measurement, city blasting vibration safety evaluation, pile foundation testing, etc.

Technical Specifications

· Computer Configuration: Military Grade PC104 Control Computer P4 (933MHz); Memory: 128MB; Hard Disk: no smaller than 40GB; Operating System: win-XP

· Display: 1024x768 dot matrix, high brightness TFT (true color) LED.

· Input Device: Equipped with suitable field-use membrane keyboard and touch screen; can also be connected with PS / 2 computer keyboard and mouse; provided with handwriting tablet.

· Interface: Dual USB interface, PS/2 keyboard, mouse interface, parallel port, Ethernet port, etc.

· Removable Storage: USB disk, or adopting mobile hard disk drive, USB mobile drive, etc.

· Frequency Response Range: 0.1Hz~4kHz

· Noise: smaller than 1 μV at full-frequency state

· Number of channels: 6 (optional 1,2,3 channels mode)

· Time Delay: 0~9999ms

· Amplitude conformity:less than 1%;

· Phase conformity: better than ±0.5ms

· Sampling Rate: 10μs/25μs/50μs/100μs/200μs/500μs/1 ms/2 ms/5 ms/10 ms/20ms， optionally

· Number of Sampling Points: 512, 1024, 2048, 4096, 8192, 16384 , optionally

· Preamplifier Gain: 100 times (40dB), 10 times (20dB), 1 times, optionally

· A/D Converter: floating point 24 bit A/D converter

· Supported Data Format: SEG-2

· Power Supply: 12V DC

· Service Environment: -10℃~ +55 ℃; Humidity 90%RH

· Volume: 390×270×190mm

· Weight: 9kg