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  • Dzq 24 48 High Resolution Seismograph Shallow Layer - China

    price: contact company for price

    Specifications

    DZQ 48 High Resolution Seismograph is a real 24- bit digital

    seismic instrument of our factory, produced on the basis of

    DZQ24

    Description

    DZQ24 seismograph ( The Third Prize of National Science and

    Technology Progress Award in 2002) and combined with China

    national situation to work under a new type Chinese WINXP

    system. Our many years of both design and manufacturing into

    the valuable experience of seismic instruments, also absorb

    today' s advanced electronic technologies and design

    concepts, it is a leading seismograph multi- function, high

    accuracy, high speed, high reliability, good man- machine

    interface features and scalability. Instrument can be used a

    hammer, electric spark or explosion as the excitation

    source, with exploration depth from a few meters to a

    thousand meters; also delay function can be used to obtain

    Department of stratum deeper underground seismic data.

    Applicable Methods are: Reflection, refraction, surface wave

    exploration, pile testing, microtremor measurement, high-

    density seismic imaging, vibration testing, measurement and

    shear- wave seismic exploration methods, widely used in water

    conservancy, electric power, railways, bridges, urban

    construction, transportation and other areas of engineering

    geological exploration, also applies to oil, coal, uranium

    mining and groundwater exploration and other fields.

    Main Applications

    Reflection and Refraction Exploration: Bedrock embedded

    depth, shape and regularities of distribution research,

    hydrological and engineering and environmental geological

    basic investigation.

    Surface Wave Prospecting: Cover layer investigation;

    weathering zone investigation; underground cavity and

    diseased geologic body survey; subgrade, levee, slope

    disease investigation.

    High- density Multi- wave Seismic Imaging: Cavity

    investigation of ground base and subgrade ( roadbed) , cave

    surveying, etc.

    Quality Inspection of Civil Engineering; Bridge pier and

    building pile foundation detecting, etc.

    Safety Evaluation of City Blasting Vibration: All kinds of

    safety monitoring of blasting vibration.

    Shear Wave Velocity Test: Measurement of rock mass

    elasticity parameters, etc.

    Main Features

    Adopt the latest high- speed, high- precision real 24- bit A/ D

    converter. Maximum sampling interval for 48 channels in

    simultaneous sampling is 31.25us, reaching international

    advanced level.

    Maximum sampling interval for single channel is up to 10us.

    Not only use the advanced wave filter with ultra- low

    distortion performance, better than 120 dB, with external

    suppression ( cut- off frequency automatically changes with

    sampling frequency) ; meanwhile, various digital wave filters

    ( high, low, band pass wave filters) are set in the software,

    with their cut- off frequency being set artificially.

    Brand- new overall structure design, which allows more

    reasonable view to facilitate the operation.

    Can easily complete seismic data acquisition, and data

    processing

    Support coverage measurement;

    Provided with overlaying switch and overlaying cable

    manufactured by our factory, the application in various

    reflection, refraction, reflex measurement for field

    exploration can be facilitated, thus greatly improving the

    efficiency of field work.

    DZQ48 high- resolution seismograph can support 12- channel and

    24- channel overlaying measurement without external

    configuration

    Built- in unique instrument detection system. Self- checking

    acquisition, data computing, self- checking report can

    automatically generated the output.

    Field make- and- break test for geophone and jug lines, full

    waveform noise monitoring

    Support multiple ( at Windows interface) processing software:

    Superficial reflex processing, refraction, surface wave

    shear wave package, blasting, pulsating, high- density

    seismic imaging processing software

    Clock: Annual timing clock, file recording time will be

    stored in along with parameters

    Main Technical Specifications

    Computer Configuration: Military Grade PC104 Control

    Computer P4 ( 933MHz) ; Memory: 256MB; Hard Disk: no smaller

    than 80GB; 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 μ V at full- frequency state

    Sampling Time Delay: 0~9999ms

    Conformity: amplitude conformity better than ±0.02% ; phase

    conformity: better than ±0.01ms

    Sampling Rate: 10μ s/ 31.25μ s/ 62.5μ s/ 125μ s/ 250μ s/ 500μ s/ 1

    ms/ 2 ms/ 4 ms/ 8 ms/ 16ms/ 32ms- 400ms several taps

    Number of Sampling Points: 512, 1024, 2048, 4096, 8192,

    16384, etc. , maximum record up to 32768;

    Preamplifier Gain: Every six channels as a group, optionally

    chosen by software: 64 times ( 36dB) , 16 times ( 24dB) , 4

    times ( 12dB) , 1times;

    A/ D Converter: Adopt the latest, ultra high speed Σ - Δ 24

    bit A/ D converter;

    Alias Filter: Automatic tracking along with the sampling

    rate; - 3dB, down to 120dB at the place with 0.216 times of

    sampling rate; and provided with various digital wave

    filters, cutoff frequency ( at the place with - 3dB) if

    required

    Supported Data Format: SEG- 2, SEG- Y, CSP

    Trigger Mode: Internal and external triggered by hammer

    switch; triggered via blasting, and electric spark; also

    triggered by wire- breaking or connecting

    Power Supply: 12V±20% battery- powered; smaller than 4 amps

    ( 48 channels, 5 amps when LCD working in extra- brightness) .

    Service Environment: - 10°C~ +55 °C; Humidity 90% RH

    Volume: 390×270×190mm

    Weight: 18kg


    Company Contact:


    • Phone: 862362794421

    • Address: No. 9-10, 23 Nanping West Road, Nanping Street, Na, Chongqing, China

    • Email: Email


    Published date: April 21, 2014 -

    • Business Description: Chongqing Gold Mechanical & Electrical Equipment Co., Ltd. is one of the

      leading manufacturers in China of geophysical instruments. Since its

      foundation, our factory has a group of highly qualified technical

      personnel specialized in development and well trained workers, with

      advanced machinery and equipment. Our enterprise absorbs domestic and

      international advanced technology and management experience, and

      constantly develops new products. Currently, our manufactured products

      include electrical prospecting instrument, logging sensor (Geophone),

      radioactive exploration instrument etc. Five categories of various types

      of geological exploration instruments and accessories are widely used in

      geological prospecting for mineral resources, engineering exploration,

      seismic monitoring, groundwater searching and other related industries

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