Sensitivity of Laurie seismograph

DZ series seismographs are 4, 6 and 8 channel acquisition stations, 24-bit A/D converter, industrial standard high-speed Gigabit Ethernet data transmission, and 0.02 ms ~ 16 ms sampling. Any PC can be used as the main controller and can complete multi-line 3D seismic exploration, with a maximum of 16 lines and 480 channels per line. Compilation and monograph of geophysical instruments StrataVisorNZXP seismograph NZXP series seismographs adopt the Crystalsigma-deltaA/D converter patented by Geometrics and oversampling technology, which realizes the accuracy of 24-bit A/D conversion. It can be widely used in refraction, reflection, earthquake monitoring and explosive source. PRS- 1 is an exploration of random tamping source. NZXP series can be used as a telemetry recording center to control Geode acquisition station, which can control more than 1000 channels at most, and can also be used as an independent unit to form a single-box seismograph with 12 ~ 64 channels. Geode, a portable seismic acquisition system, is a seismic data acquisition station with 8, 12, 16 or 24 channels, and a 24-bit A/D converter is realized. The central recording system can be completed by portable computer or StrataVisorNZ seismograph. It is suitable for exploration in many fields such as engineering exploration. Compilation of Geophysical Instruments and Monograph of Portable Controlled Source Urban Seismic Exploration System This is a unique portable pseudo-random seismic source, which can realize anti-interference shallow seismic exploration system (Minisosie). The system includes portable universal rammer source, multi-channel seismic data recorder and built-in real-time correlation signal processing software. It can quickly complete the relevant processing, and it is a sharp weapon for urban earthquakes at present. Geophysical instruments and full-wave monograph compilation of various vibroseis Large vibroseis: HEMI 35 (T); The peak force output of HEMI44HEMI50HEMI 160 .P is 35,000 lbs, 44,000 lbs, 48,000 lbs, 50,000 lbs and 60,000 lbs respectively, which is carried by vehicles and mainly used for oil and gas exploration. Monographs of Geophysical Instruments and Seismic Observation Instruments and Equipment Nanometrics)Trillium Seismograph nano metrics is the world's top precision instrument manufacturer specializing in the research and development of seismic monitoring instruments and various broadband seismic pendulums (sensors). His earthquake monitoring system is specially designed for IRIS, the global dynamic earthquake research network center, and its products sell well in more than 200 countries and regions around the world. Nanometrics Trillium broadband seismograph is the only broadband seismograph that does not need locking and re-centering. It has excellent properties such as stable low noise, flat frequency response, ultra-low energy consumption and excellent temperature stability, and is an ideal choice for current earthquake observation. The Nanometrics Trillium compact seismograph has excellent properties such as ultra-small volume and weight, low energy consumption, low noise and stability. Easy to carry and install, more suitable for field application. Taurus multi-channel seismic monitoring recorder Taurus is a portable seismic recorder, which integrates multiple functions, is light and compact, can be directly connected to various seismic sensor interfaces for reading, can record continuously for more than 600 days, and consumes only 680MW. This new generation seismograph can connect Internet, wireless and VSAT for network communication. In addition, in the wild environment, Taurus does not need any help such as laptop, computer, PDA or external relay to record and read all kinds of recorded data. EH-4 Continuous Conductivity Profiler, a monograph compilation of geophysical instruments and electrical prospecting instruments and equipment, was jointly developed by GEOMETRICS and EMI, and it is the first frequency conversion electromagnetic sounding system in the world. Using a unique orthogonal magnetic dipole controllable source, combined with seismograph technology, the system can collect data quickly, automatically and at multiple frequencies. The acquisition time of each point is 5 ~ 20 minutes. The exploration depth is 2 ~1500m, generally about1000m. It can be used for real-time color imaging. It is the best electromagnetic instrument for static calibration of coalfields, minerals, groundwater, frozen soil, mountain engineering, mining engineering, shallow oil and gas exploration and AMT. TerraTEM is a new digital high-power transient electromagnetic system, which is a transceiver integrated transient electromagnetic system produced by Monex GeoScope of Australia. The instrument adopts the digital acquisition system developed by the latest electronic technology, which has high precision, stability and portability. The same coil can be used for receiving and transmitting, or split coils can be used. External high-power transmission system with current up to 50A can be used for deeper geological exploration. A new full-function multi-electrode high-density direct current method (AGI) is a portable and compact high-density direct current method instrument. It arranges multiple (4 ~ 256) electrodes by combining automatic control and programming to realize automatic and rapid high-density rapid acquisition. The new supersingtm R8/IP program-controlled switch can measure 8 channels at a time, which greatly shortens the time of automatic profile measurement, and can realize IP measurement to obtain resistivity profile and polarizability profile at the same place. The instrument supports 1D, 2D, 3D and 4D software. At the same time, it can also do water and underwater measurements. Compilation and monograph of geophysical instruments IPR- 12 time-domain induced polarization/resistivity receiver IPR- 12 time-domain induced polarization/resistivity receiver is mainly used for the exploration of metal deposits and the geoelectric measurement of groundwater and geothermal resources, which can usually reach a greater depth. IPR–12 can measure 8 dipoles at the same time, which is much more efficient than the traditional single-channel dipole measurement. This advantage is particularly valuable for in-hole acquisition and can reduce electrode movement. Built-in permanent storage records all information related to measurement data, eliminating the inconvenience of manual marking. The IPR–12 receiver is compatible with PC, and can transmit electronic data to PC for quick processing. IPR- 12 is easy and fast to read, and only a few function keys need to be tapped, because IPR- 12 has automatic resistance detection function, self-potential SP reverse compensation and gain setting. The instrument is recognized by the industry for its high resolution and high signal-to-noise ratio, and is compatible with any IP transmitter. AeroTEMAeroTEM system is a digital helicopter-borne time-domain electromagnetic system, which uses a high-power transmitter to drive a multi-turn transmitting coil and two receiving coils, and the receiving coil is in the transmitting coil. This configuration maximizes the resolution and resolution, minimizes the influence of rock conductivity, and maximizes the performance in rugged terrain and strong wind environment. Compared with other helicopter-borne electromagnetic systems, AeroTEM system with high spatial resolution can produce more response windows, better separate the conductivity of a single target, and distinguish extremely inclined geological strata from horizontally thick rock masses. AeroTEM transmitter receiving platform is very strong, because of its rigid structure, it can work in bad weather such as strong wind and challenging terrain. In most cases, the targets detected by AeroTEM can be directly drilled without subsequent ground investigation. Compilation and monograph of geophysical instruments GEM series broadband multi-frequency electromagnetic exploration instrument GEM-2 broadband multi-frequency electromagnetic exploration instrument (EM system): a portable, digital and programmable broadband electromagnetic exploration instrument. It has the characteristics of new technology and simple use, and is suitable for shallow geological exploration, environmental investigation and engineering geological investigation. The transmitting and receiving coils of GEM-2 are fixed in a snowboard-like device with a belt. A housing containing all electronic components can be embedded in a board, and a PDA is attached to the housing as a user interface and a display. GEM-3 broadband multi-frequency digital electromagnetic detector: suitable for detecting metal objects, such as buried metal objects, unexploded objects and ammunition. Light weight, portable and multi-purpose, basic configuration weight 10 lb (5kg). Because it is completely digital, it can be programmed in many other operating modes. GEM-5 electromagnetic induction gradiometer: an electromagnetic induction gradiometer towed or installed on a vehicle, which has the function of collecting data in a high-density three-dimensional space; The system is mainly used in the environmental field to find unexploded weapons; It can also be used in civil fields such as detecting buried objects. According to general application, it can be used to detect and find mines and improvised explosive devices in harsh environments. GEM-5B electromagnetic induction gradient measuring instrument: It is an enhanced version of GEM-5, which provides a larger emission magnetic moment for detecting deeply buried objects. The working method of vehicle traction is adopted. The system can be used for geological mapping, dam and security inspection, and can also be used to detect/depict artificially built underground buildings, such as secret underground tunnels. The system can also detect the power supply line with load by measuring the background electromagnetic noise of the building. Compilation and monograph of geophysical instruments Ohm Mapper resistivity imager Ohm Mapper is a capacitive coupling resistivity measuring instrument based on double dipole resistivity measurement method, which is specially used to measure the electrical properties of rocks and soils without metal electrodes. A coaxial cable is equipped with a transmitter and a multi-stage receiver. A single person can quickly collect data and image in real time by dragging along the surface, which is many times faster than the traditional DC method. It can be widely used in the fields of groundwater detection, engineering detection, mineral exploration, building quality detection, scientific research, etc. It is the best measuring instrument in areas with high surface resistance. Compilation of Geophysical Instruments and Gravity Measuring Instruments and Equipment CG-5 Microgal-level Flowing Electronic Measuring Gravimeter The integrated automatic electronic reading gravimeter with fused spring introduced by SCINTREX Company has a resolution of 1 microgal and an accuracy of 5 microgal, which is suitable for field flowing gravity measurement. Compared with the zero-length spring, it does not need to lock the pendulum during handling, has good repeatability, basically does not fall off the net, and the linear temperature drift can be automatically corrected, which can be completed in only 1 ~ 2 minutes. Lacoste high-precision g-phone tidal gravimeter is a portable solid tidal gravimeter. The original model is PET, 1996, with a measuring range of 7000 mg. Long-term observation and recording of data can be carried out by desktop computer or notebook computer. The recording software is based on Windows. After upgrading by our company, it is now g-phone, which can realize network control and remote data download, and can also be directly used as an accelerometer to record earthquake events. Compilation and monograph of geophysical instruments Compilation and monograph of geophysical instruments High-precision portable absolute gravimeters FG-5, FG5-L Compilation and monograph: It is suitable for high-precision observation of earthquakes, vertical crustal movement, volcano monitoring, periodic observation of long-period solid tide movement, nuclear waste cleaning, oil and gas exploration, force sensor calibration, unit kilogram redefinition, gravity standard station, relative network control point, big G determination, etc. The accuracy is very high. Two hours. A 10 portable absolute gravimeter: this is a small absolute gravimeter, which can move on the car, read automatically and is convenient to use. Double probe system, the accuracy is 65438 00μ g, and the observation time is only 65438 00 minutes. Use 12V battery. A stable laser and a standard clock are used to maintain its absolute calibration. There is no network loop closure correction, no drift correction and no known reference base station. Compilation and monograph of geophysical instruments GWR station superconducting gravimeter GWR superconducting gravimeter is the most sensitive gravimeter in the world at present, and its measurement accuracy can reach 0.0 1 microga. The instrument is cooled by liquid helium, and Dewar bottles of different sizes are available. Long-term observation stations can be equipped with external electric refrigeration devices to reduce helium consumption. Portable dewar bottles can form a portable station observation system. The new generation iGrve is smaller, with an accuracy of 0.00 1 microgal, and can be used for various purposes of 4D measurement. Scintrex's high-precision gravimeter for aviation and ocean is another flagship product of Scintrex. Aeronautical/marine gravimeter with gyro stabilized platform can automatically adjust and compensate various attitude changes of aircraft or ships in real time at the speed of 200 times per second, so that the gravity sensor is always in a horizontal measurement state. The dynamic measurement accuracy of the gravimeter for aviation and ocean is 0.2 ~ 65438 0 milligal. ENVI-PRO magnetic measuring equipment ENVI-PRO proton precession magnetometer is a proton precession magnetometer newly produced by SCINTREX company with GPS positioning function, which has been successfully applied to mineral and oil and gas exploration for many years. Magnetometers are widely used in iron ore exploration, geological mapping, archaeology and geotechnical engineering. The core control unit of ENVI-PRO system is light, with large window character display and large memory, which is suitable for its multi-functional configuration. The system includes sensors with various corresponding functions and their accessories, backpacks, rechargeable batteries, chargers, RS-232 serial cables and transport boxes. The system has the advantages of high production efficiency, fast data playback, simple measurement operation, time saving and upgrade at any time. The latest generation of magnetometer G-858 cesium optically pumped high-precision magnetometer Geometrics is deeply loved by all walks of life for its high sensitivity (0.02 gamma) and high sampling rate (10 samples per second). The current models are: G-858SX and G-858G portable magnetometer/gradiometer. The host is highly intelligent and the operation is completely menu-based. The LCD screen of this machine can display multiple transverse section results at the same time, and analyze abnormal situations in real time. The extremely high sampling rate can be used for fast travel measurement without stopping, and irregular lateral scanning mapping can be realized by directly adding GPS. Suitable for rapid geological mapping, mine clearance, pipeline and site cleaning investigation. Compilation and Monograph of Geophysical Instruments Compilation and Monograph of Geophysical Instruments CS-3 Aeromagnetometer SCINTREX Company introduced an improved CS-3 high-precision cesium optical pump aeromagnetometer after CS-2, which has the characteristics of automatic adjustment switch in the northern and southern hemispheres, sensitivity of 0.0006nt/Hz and small measurement blind area. The airborne dynamic real-time magnetic compensation/data recording system RMS (D)AARC500 is based on the original AADCII system, which has been the realistic standard of airborne magnetic compensation in geophysical exploration industry all over the world for many years. (D)AARC500 is the result of many years of R&D cooperation between RMS and Flight Research Laboratory of National Research Council of Canada. It inherits the traditional characteristics of AADCII, such as low cost, high efficiency, excellent output and consistent data. The system is based on excellent and reliable hardware, which proves that it has mature and powerful compensation algorithms in many devices. Consistent with compensation, data acquisition also has unparalleled performance, accuracy and reliability. Compilation and monograph of geophysical instruments and RMS (D)AARC500 monograph can be used for aeromagnetic compensation of helicopters and fixed-wing aircraft. The latest AARC5 10 is used for UAV measurement. Ground penetrating radar equipment SIR-20 multi-channel high-speed ground penetrating radar: The world-famous GSSISIR series ground penetrating radar has a history of more than 40 years, and more than 2,000 sets of SIR series ground penetrating radar have been used all over the world, which is recognized as the best product in international geophysical exploration and engineering. GSSI participated in the strategic highway research plan organized by the US Department of Transportation, and SIR system became the only radar system recommended by the US Federal Department of Transportation to detect highway pavement thickness, asphalt moisture content and subgrade diseases. SIR-20 is a new product based on SIR- 10B/ 10H. It inherits the advantages of SIR- 10B/ 10H. It uses a reinforced Full Metal Jacket laptop and Windows-XP operating system, and can input data from two antennas at the same time, with a sampling rate of 5 picoseconds and a scanning rate of 2 to 80H. SIR-3000 Portable Ground Penetrating Radar: A portable and compact single-channel ground penetrating radar with powerful functions, with a total weight of 4. 1kg and a built-in battery. Like other SIR series radars, SIR-3000 can perform real-time color imaging continuously and rapidly, and its maximum scanning rate is 220 lines per second. The antenna range suitable for radar is 16 MHz ~ 2200 MHz. The instrument has a wide range of applications and is an economical portable radar. StructureScanMini hand-held steel bar scanner: GSSI manufacturer introduced a new mini hand-held radar in 2009 after the previous generation HandySan, which is specially used for steel bar positioning, concrete defects and bridge and pavement detection. The system has built-in 1600MHz antenna, which integrates acquisition and processing, and is small and portable. Three-sided laser positioning, convenient calibration; The design of function keys is simple, which is convenient for left and right hands to operate. The full-color data display is more intuitive and the design is more humanized. Terravision: 14 channel antenna array radar, specially used for stereo scanning of road pipelines. The scanning coverage width is 1.8m, and the underground 3D perspective can be obtained quickly. The detection depth is 3 ~ 4m, which is equivalent to 14 400MHz antennas. Peep at the underground target from different angles and digitally image it. Compilation and monograph of geophysical instruments Compilation and monograph of geophysical instruments Compilation and monograph of geophysical instruments Compilation and monograph of geophysical instruments and supporting ground penetrating radar forward simulation software. The software can help users better understand the propagation characteristics and imaging principle of radar waves under different geological conditions. Various geological models can be customized on PC, and the model setting is simple. Designing the first wave pulse of the antenna; Display electromagnetic wave attenuation and geometric propagation characteristics, as well as the directional response of transceiver antenna; Vertical and horizontal polarization of electromagnetic waves; Characteristics of electromagnetic wave reflection and projection; Electromagnetic ray path display; Migration processing. It is especially suitable for users with immature scientific research and analysis of geological radar data. Monographs of Geophysical Instruments and Comprehensive Logging Instruments MOUNT OPRIS Series Small-bore Multi-parameter Portable Digital Logging Tools The famous MOUNT logging tool series and all-digital downhole comprehensive parameter probes include various probes such as resistivity, natural gamma, gamma spectrum, gamma density, neutron porosity, spontaneous potential, acoustic full-wave train, magnetic susceptibility, induced polarization, acoustic 2D/ 3D imaging, borehole diameter, borehole deviation, water quality and flow rate. There are 1000m, 1500m and 1850m winches suitable for logging in coalfields and metal mines, and 100m, 200m, 305m and 500m light winches suitable for engineering geophysical exploration, hydrogeology and environmental logging. Various probe radioactive exploration instruments and equipment RS-230 Hand-held portable energy spectrometer RS-230 uses BGO (bismuth germanate) as scintillation crystal, and its sensitivity is 50% higher than that of sodium iodide crystal with the same volume. The following RS- 125 has the functions of direct readable measurement, laboratory scanning, data storage and all-weather weather protection. Audio prompt, no need to monitor at all times. Bluetooth connection technology (BT) is applied to realize wireless connection with GPS, headphones or computers, and USB headphones can be used to measure noisy areas. Light weight, only 2.04kg, and stable field performance. Compilation and Monograph of Geophysical Instruments RS- 125 Handheld Portable Energy Spectrometer RS- 125 adopts 2.0×2.0 type sodium iodide 103cm3(6.3in3) crystal, which has high sensitivity. It has the functions of direct reading measurement, laboratory scanning, data storage and all-weather meteorological protection. Bluetooth connection technology (BT) is applied to realize wireless connection with GPS, headphones or computers, and USB headphones can be used to measure noisy areas. Light weight, only 2 kg, stable field performance. RS-500RS-500 airborne gamma spectrometer, a collection of geophysical instruments and monographs, adopts advanced DSP/FPGA* technology, which is far ahead of other existing systems and creates a unique RS-500 grade. DSP/FPGA* technology and software technology provide laboratory-level spectral data that could not be obtained on aviation platform before, with smaller drift and purer energy spectrum. Natural isomorphism, complete multimode automatic gain stabilization spectrum is universal in the world. Each crystal in the RS-500 test chamber is designed with an independent and advanced digital spectrometer (ADS), which makes the detection of natural and artificial radioactive elements as automatic and clear as possible and minimizes human interference. Adopt accurate "first time" technology, so that you can get accurate data in the first time. No dead zone, higher efficiency. 1024 channel has high resolution, and the recording speed of any number of crystal oscillator groups can reach 10X/ s ... Independent crystal ADS and processing, high throughput (>; 20X). No distortion, more real data. There is no signal quality damage when the crystal is superposed infinitely, and the efficiency is higher. System setup and performance verification do not require a test source. The counting rate of each crystal is 250,000 cps. High level of self-diagnosis. Compilation and monograph of geophysical instruments RS-700RS-700 is a fully functional gamma-ray and neutron (optional) radiation detection and monitoring system. It can be used for land vehicles, helicopters, drones or fixed positions. It adopts the same and advanced technology as RS-500 airborne energy spectrometer, and obtains the same and incomparable characteristics as RS-500. Compilation and monograph of geophysical instruments

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