Beijing Geological Instrument FactoryBeijing Aodi Exploration Instrument Company
Gravity Instrument
Z400 Gravity Meter
Z400 Gravity Meter is a kind of instrument for measuring the relative change of the value of gravitational acceleration. The sensor of this instrument is made of quartz, adopts zero-point reading, and is equipped with precise temperature compensation device.Model Z400 gravimeter can be widely used in the gravity exploration of geological formations and minerals (including gravity census, gravity detailed investigation and regional gravity measurement).
Main Features
It is characterized by high precision, light weight, small volume, simple operation and easy to carry.
Main technical indexes
Geophysical Instruments Compilation and Monographs
Geophysical Instruments Compilation and Monographs
Magnetic Method Instruments
CZM-4 Proton Magnetometer
CZM-4 Proton Magnetometer utilizes the magnetic moments of hydrogen protons in the The CZM-4 proton magnetometer is a highly sensitive weak magnetic measuring device developed by utilizing the principle of hydrogen proton magnetic moment spinning freely in the geomagnetic field, and its magnetic field measuring accuracy is ±1nT with a resolution as high as 0.1nT, which is in full compliance with the requirements of the "Ground High Precision Magnetic Measuring Work Regulations" issued by the former Ministry of Geology and Mines. Its large storage capacity, high resolution and flexibility enable it to become a portable, mobile, base station type magnetometer, which can measure the total geomagnetic field with a resolution of 0.1nT.
Main Features
The absolute measurement range of total geomagnetic field reaches 20000nT~100000nT, which can be used in any region of the world; both full-range auto-tuning and manual-tuning are available; automatic measurement of geomagnetic field value is especially convenient for users who are not sure of the local normal geomagnetic field value. Chinese operation interface, automatic data recording and storage, and real-time display of the magnetic profile curve, easy to operate; randomly equipped with special software can be used to smooth the measured data in the field to remove the noise, day-variation correction, drawing profile curve and other related pre-processing, which is convenient for the user to work on the day of the effect of indoor assessment; USB2.0 communication interface, so that the instrument to the computer to transfer data faster; can be used for the determination of the parameters of the magnetic specimens It can be equipped with 1GB or 2GB data storage and a set of backup batteries to realize the demand of long time magnetic measurement; it can be connected to GPS receiver to store the coordinate value of measurement points according to the user's requirement; it can be equipped with professional magnetic data processing software to draw contour map, plane profile, and make positive and negative interpretation.
Main technical specifications
-Range: 20000nT ~ 100000nT;
-Resolution: 0.1nT;
-Range accuracy: ±1nT when the total field absolute strength 50000nT;
-Gradient tolerance: ≤5000nT/m;
-Liquid crystal dot matrix: 192×64;
-Data storage capacity: not less than 8000 measurement point data (storage capacity exceeds 5 million readings when optional high-capacity storage);
-Operating ambient temperature: -15℃～50℃;
-Operating ambient humidity: ≤95% (25℃);
-Power supply: Lithium-ion battery: 12.8V～16.8V/5Ah, continuous operation of not less than 17h (under the daily change mode, the typical reading interval is 10s);
-Main body external dimensions: L×W×H: 220mm×90mm×200mm;
-Main body weight: 2kg;
-Probe external dimension: φ74mm× 150mm;
-Probe weight: 0.8kg.
Geophysical Instruments Compendium and Monographs
CCM-4 Magnetometer
CCM-4 Magnetometer is a fluxgate magnetometer that measures the perpendicular component of geomagnetic field. Mainly used to find magnetite, geological census, but also can be used to find underground iron pipeline, especially can detect the general electromagnetic type pipeline detector can not be detected by the poor electrical connectivity of the cast iron pipeline and the cement pipeline containing steel reinforcement.
Main features
-Probe with automatic vertical balance system, fast measuring speed, high measuring accuracy, small steering difference;
-Can detect magnetite and ferromagnetic underground buried objects;
-Observation of the vertical component of the magnetic field;
-Liquid-crystal digital display;
-High measuring accuracy.
-Main technical indicators
-Range: ±19999nT;
-Resolution: 1nT±1 word;
-Magnetic field compensation range: 35000~55000nT
-Coarse tuning: ①35000~40000nT
②40000~45000nT
③45000nT. p>
③45000～50000nT
④50000～55000nT
Fine Adjustment: 5000nT,10 turns continuously adjustable;
-Differential Steering: <10nT;
-Operating Ambient Temperature: -10℃～50℃;
-Power Supply: AA type NiMH nickel-metal hydride (Ni-Hydrogen) Power supply: AA type NiMH rechargeable battery;
-Main body size: 190mm×65mm×230mm;
-Main body weight: 2.0kg;
-Sensor size: Φ70mm×160mm;
-Sensor weight: 0.45kg.
-CCM
CCM-5 Magnetometer
The CCM-5 Magnetometer is a new type of contemporary digital fluxgate magnetometer, which measures the perpendicular component of the geomagnetic field, and is mainly used for finding magnetite. Geological census at the same time can also be used to find underground pipelines, especially can detect the general electromagnetic type pipeline detector can not be detected by the poor electrical connectivity of cast iron pipelines and concrete pipelines containing steel.
Geophysical Instruments and Monographs
Main Features
-High sensitivity;
-Probe with automatic vertical balancing system, fast measurement speed, high measurement accuracy;
-Observation of the vertical component of the magnetic field at any time;
-High degree of intelligence, the measured data can be automatically stored;
-Manage the measurement curve in real time and can be viewed at any time. Real-time display of the measurement curve and can be viewed at any time any one of the measurement curve;
-equipped with advanced GPS positioning system;
-full Chinese prompt menu;
-serial output and computer online playback of the data and curves;
-graphic form dot-matrix LCD screen, LCD screen has a backlight, easy to observe at night.
Main technical indicators
-Range: high-grade ± 2000nT low-grade ± 20,000nT;
-Resolution: 0.1nT (high-grade);
-Magnetic field compensation range: 35,000 ~ 55,000nT;
-Steering differential: <40nT;
-Positioning: Equipped with Advanced GPS positioning system;
-Working environment temperature: -10℃～50℃;
-Power supply: special lithium battery pack installed inside the machine, continuous working time is not less than 10h.
CGM-02D type high sensitivity fluxgate magnetometer
CGM
The CGM-02D High Sensitivity Fluxgate Magnetometer can measure magnetic field values in any direction. Three CGM-02D probes can form a three-component magnetometer, which can be used to measure the magnetism of various equipments and their parts.
Main Features
-Measurement data is output in real time from the RS485 port;
-Multiple instruments can be connected to the data output port for use together, each with a unique code;
-Multi-speed measurement.
Main technical specifications
-Measurement range:
①±1KnT,
②±10KnT,
③±100KnT;
-Resolution:
Resolution:
Compilation of Geophysical Instruments and Monographs
-Noise level:
Noise level:
Noise level:
Noise level:
Noise level: -0.1 to 0.1nT;
-Operating ambient temperature: -20℃～50℃;
-Power supply: 220V±10%;
-Probe cable length: 5m;
-Chassis size: 300mm×135mm×380mm.
CZJ
CZJ-1 proton magnetometer is a kind of magnetic measuring instrument in the well developed on the basis of the ground proton magnetometer. It is mainly used for deep ore searching, especially for searching for non-ferrous metal ore or precious metal ore and other magnetic anomalies 10 ~ 1000nT weak magnetic ore body. In the process of searching for minerals, the well proton magnetometer detection combined with ground exploration will be able to play an important role.
Main features
-High resolution;
-Full auto-tuning;
-Chinese or English menu;
-On-site real-time display of the observation curve;
-RS485 to realize the communication between the ground instrument and the downhole instrument;
-Automatic recording and storage of the data;
-Connecting with computer to realize post-processing of the data and day-to-day change. Connecting with computer to realize post-processing of data and automatic correction of day-change;
-Point measurement function;
-Small volume and light weight.
Main technical indexes
-Resolution: 0.1nT;
-Measurement accuracy: -5~5nT;
-Measurement range: 32000~70,000nT;
-Requirements for gradient of geomagnetic field in the measurement area: Vertical gradient ≤2000nT/m Horizontal gradient ≤1500nT/m;
-Measurement area: Vertical gradient ≤1500nT/m;
-Measurement range: 32,000~70,000nT. 1500nT/m;
-Maximum downhole depth: 1500m;
-Working ambient temperature of the downhole instrument: 0℃～50℃;
-Working ambient temperature of the ground instrument: -10℃～50℃;
-Surface probe size: Ф45mm×145mm;
-Mainframe size: 290mm×145mm;
-Mainframe size: 290mm×145mm;
Geophysical Instruments Compendium and Monographs
CTSD-1 Portable Three-Component Fluxgate Magnetometer
CTSD-1 Portable Three-Component Fluxgate Magnetometer can measure the magnetic induction at any point in space. CTSD-1 portable three-component fluxgate magnetometer can measure the magnetic induction intensity at any point in the space, which is perpendicular to each other. It is suitable for the monitoring of geomagnetic field, the study of magnetism of various moving objects (such as vehicles, etc.) and the detection of magnetic objects or magnetic ore bodies.
Main features
-Three-component probe size is small, easy to bury in the ground and other special occasions;
-Probe cable up to 30m;
-Three-component display at the same time, easy to observe;
-High-resolution analog output, easy to connect to the data acquisition device;
-High-energy lithium battery power supply, can be long time in the field. long time working in the field.
Main technical specifications
-Measuring range: -100~100,000nT;
-Maximum resolution: 1nT (analog output);
-Display resolution: 10nT/word;
-Full scale output: ±10V±0.5%;
Frequency response: 0.0V±0.5%;
-Frequency response: 0.0V±0.5%;
-Frequency response: 0.5V±0.5%;
-Frequency response: 0.5V±0.5 Frequency Response:0～20Hz@±10,000nTp-p;
-Remaining Magnetism:-1～1nT@±100,000nT;
-Three-axis Orthogonality:-1°～1°;
-Cable Length:5～30m optional;
- Continuous Operating Time:≥10V±0.5%;
-Throughput:≥10V±0.5%;
-Size:Probe 104mm×83mm×75mm; Main unit 372mm×266mm×135mm;
-Weight:not more than 7.5kg (including probe, 30m cable and main unit).
Compilation of Geophysical Instruments and Monographs
CTM-DI Magnetometer
CTM-DI Magnetometer is a kind of geomagnetic measuring instrument with world advanced level. It can accurately determine the geomagnetic declination D and geomagnetic inclination I, and can be used both at geomagnetic stations and in the field.CTM-DI magnetometer is one of the instruments with the highest precision of D and I observation in the world. The instrument is characterized by stable performance, simple operation, wide range of uses, easy to carry, etc. CTM-DI magnetometer and proton magnetometer (observation of the total geomagnetic intensity F) with the use of the geomagnetic vector observation will be very ideal combination.
Main features
CTM-DI magnetometer is composed of two main parts: non-magnetic longitude and latitude instrument and magnetic fluxgate detection system. The non-magnetic warp and woof instrument is highly "non-magnetic", enough to ensure the observation accuracy of D and I, which is the essential difference between it and ordinary warp and woof instruments. The fluxgate detection system is an electronic detection system with high sensitivity and stability, and its sensor is placed on top of the telescope of the non-magnetic warp and woof instrument. Through the high-precision goniometric system of the non-magnetic longitude and latitude instrument, the magnetic declination D and geomagnetic inclination I can be accurately determined according to certain observation procedures.
Main technical indexes
-Observation standard deviation of the baseline value: σDB≤ |±0.10′ |, σIB≤ |±0.10′ |;
-Observation accuracy: ΔD≤0.20′, ΔI≤0.20′;
-Observation accuracy: ΔD≤0.20′, ΔI≤0.20′;
-Observation accuracy: ΔD≤0.20′;
-Steering difference: ΔD, ΔI^lt;10′;
-Maximum difference between the baseline value and the average value of the three directions: ΔD, ΔI≤0.20′;
-Standard deviation of horizontal direction of the first measurement return of the non-magnetic warp and woof instrument (indoor): -4″~4″;
-Magnetization rate of the entire machine display (before installing the probe); ≤2×10-6;
-Zero-field offset: ±1nT;
-Temperature coefficient of zero-field offset: 0.01nT/℃;
-System noise: ≤0.2nT (pp);
-Maximum resolution: 0.1nT;
-Dynamic range: Two-steps×10±1999nT
×1±199.9nT;
-Operating temperature range: -10℃～40℃;
-Power supply: AC/DC dual-use, DC 12V or AC 220V;
-Minimum safe distance from the display to the sensor: 2.0m.
CTM/BS-1 Portable Digital Fluxgate Magnetometer
Portable Digital Fluxgate Magnetometer probe consists of three mutually perpendicular fluxgate sensors (D, H, Z), of which the H, Z two sensors plus a magnetic compensation coil, which can compensate for a wide range of the magnetic field in the direction of the H, Z. The three fluxgate sensors measure the geomagnetic field as well as the interfering field projected on its axis. Three fluxgate sensors measure the ground magnetic field and the interference magnetic field in its axis projection of the "vector" value, the whole system is used to measure any point in space the amount of change in magnetic field strength.
There are two ways of outputting magnetic field strength measurements: pointer-type meter indication and data acquisition system sampling, storage and transmission.
Geophysical Instruments Compilation and Monographs
Main Features
-High sensitivity;
-Large data storage capacity;
-Long working time.
Main technical indicators
-Sensor: D, H, Z three components;
-Three-component orthogonality: ≤ 0′ (sensor installation orthogonality);
-Measurement of the dynamic range: ± 2500nT, ± 2.5%;
-Reading resolution: 0.1nT;
-Noise level: ≤ 0.1 nTp-p;
-Temperature coefficient: ≤1nT/°C;
-Frequency response: DC ~ 20Hz;
-Operating temperature: -10°C ~ 40°C;
-Geomagnetic field compensation range: Z: 0 ~ 50,000nT;
-Sampling interval time: 0.1s, 1s, 10s, 60s, programmable control;
-Maximum storage capacity: can store one month's continuous data (according to 1s sampling interval time);
-Continuous working time of the battery: not less than 1 month;
-Time service accuracy: real time clock, able to use the USB communication to calibrate the time;
-Waterproof requirements: the host computer and the sensor are Fully sealed;
-Transmission cable: shielded cable, length 25m;
-Communication interface: USB interface, used for sampling interval setting, self-calibration, data output and other operations;
-Weight of the whole machine: 35k (g including batteries, packaging box);
-Carton dimensions: 435mm x 260mm x 300mm.
CTM-DT06 Multi-Channel Fluxgate Magnetometer
CTM-DT06 Multi-Channel Fluxgate Magnetometer is mainly used to measure the perpendicular component or three-quarter value of magnetic field. The instrument has 12 measurement channels (can be increased to a maximum of 512 channels array), can be used to measure the magnetic or demagnetized remanent magnetism measurement of large equipment such as marine engines, ship models, etc., and also can be used for the monitoring of underwater moving targets (e.g., submarines), and is a kind of large-scale special magnetic measurement equipment for use in the laboratory or at stations, shipyards, submarines and other places.
Main Features
-Multi-channel simultaneous measurement;
-Wide range;
-Wide geomagnetic compensation range;
-High resolution;
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-High stability;
-Long probe cable;
-Probe can be worked underwater;
-Can be equipped with universal data acquisition equipment.
Main technical specifications
-Transducer: automatic leveling system with damping (±1° range) Differential steering (rotate 360°) -10 to 10nT;
-Range: ①±100nT, ②±1000nT, ③±10000nT, ④±100000nT;
-Resolution: 0.1nT;
-Output fullness value: ±10V;
-Probe cable: 50m (designed according to user's requirement, the longest length can be up to 500m);
-Geomagnetic compensation range: -100000~100000nT;
-Geomagnetic compensation fineness: 0.001% (the resolution of adjustment at any point in the range of 0 to 100000nT is not inferior to 1nT);
-Probe submerged working depth: 30m;
-Operating ambient temperature: 0℃~35℃;
-Power supply: ~220V±10%;
-The temperature stability of the reference voltage source reaches: 1ppm/℃;
-Single-component probe size: Φ78mm×115mm;
-Three-component probe size: Φ92mm×213mm;
-Case size: 600mm×1400mm×550mm (designed according to the number of channels).
Electromethod Instruments
DCX-1 Multi-functional High-density Electromethod Instrument (Electromethod Chromatography Data Acquisition System)
Beijing Geological Instrument Factory produces DCX-1 resistivity chromatography data acquisition system, which can be used for both resistivity chromatography probing and polarization rate chromatography probing. It can also do polarization rate chromatographic imaging detection. It can be used in prospecting for minerals, water, engineering and hydrogeological exploration, underground structures (ancient tombs, air-raid shelters) and underground caverns, ground cracks and other exploration. This product breaks through the traditional design, and has won a number of national patents.
Geophysical Instruments and Monographs
DCX-1 type centralized resistivity tomography data acquisition system main features
-By the industrial computer as the main controller, the use of a large screen LCD display with a touch screen, data processing capacity, large amount of stored data, friendly interface, easy to operate;
-LCD color display can be used in real time, and the data can be stored in a large amount of data, the interface is friendly, easy to operate;
-The LCD color display can be used in real time.
-LCD color display can real-time display of measurement data, such as: current, voltage, resistivity, polarization rate, etc., working status, the current measurement of the layer, A, B, M, N electrode position, potential curve display, depending on the resistivity of the color profile image, the display is rich in content, the measurement process is intuitive;
-Centralized multi-electrode converter adopts the composite control technology, streamlining the scale of the hardware, so that the number of control electrode channel increased. The number of control electrode channels increases. With 120 channels as the basic configuration, this system can conveniently do the "rolling" measurement of long profile. In order to meet the needs of special users, we can accept orders for 240-channel measurement system;
-The use of bidirectional overlay cable makes the field wiring comparable to the wiring speed of distributed instruments, and simplifies the construction, reduces the labor intensity, and improves the work efficiency compared with the previous ordinary connecting cables. Cable connectors are waterproof, can work in the water;
-This system has a large number of measurement channels, and it is easy to expand the number of measurement channels, so that the effective space of detection increases, and it is convenient to increase the depth of exploration and improve the resolution of detection.
Main technical indicators
-Voltage measurement range: ±4V; accuracy better than ±0.5%; resolution 1μV;
-Current measurement range: ±4A; accuracy better than ±0.5%; resolution 1μA;
-Power supply voltage: up to 700V;
-Input frequency suppression: better than 80dB;
-Input impedance: up to 80dB;
-Input impedance: ≥20M;
-Self-electric compensation mode and range: full-range tracking
-Automatic compensation;
-Operating ambient temperature: -10℃～50℃;
-Operating ambient humidity: 90%RH;
-Measurement device modes: Winnetouch, dipole -dipole, differential, composite symmetric quadrupole, three-pole rolling, two-pole bathymetry, two-pole profile, etc., according to user needs to increase a variety of special devices;
-measurement parameters: supply current, primary field potential, secondary field potential;
-visual resistivity, visual polarizability data can be collected at the same time;
-calculation parameters: resistivity, polarizability, device coefficients, etc.;
-calculation parameters: resistivity
-Calculation parameters: resistivity, polarizability, device coefficient, etc.
Geophysical Instruments Compendium and Monographs
DWJ-3B Microcomputer Stimulus Instrument
DWJ-3B Microcomputer Stimulus Instrument is the receiver in the time-domain excitation polarization measurement system. Can use DXF-1 excitation transmitter (1.5kW), DZF-3 excitation transmitter (2kW), DJF-6 excitation transmitter (5kW) or DJF-10 excitation transmitter (10kW) power supply, more than one receiver at the same time. It can directly measure self-electricity, primary potential and polarization rate. Widely used in metal and non-metal mineral resources exploration, search for groundwater and engineering geology and other fields.
This instrument can carry out excitation measurement and resistivity measurement of all devices on the ground, as well as continuous excitation logging and excitation measurement in wells.
Main features
-Adopting signal enhancement technology and digital filtering, it has strong anti-interference ability and high measurement accuracy;
-Automatic compensation of natural potential, drift and electrode polarization;
-Receiving part has instantaneous over-voltage input protection;
-Large-screen colorful LCD: Chinese character dialogue, which not only displays all of the measurement parameters at once, but also the observation curve. Multi-parameter Measurement: Measure and store natural potential, primary potential and supply current (in synchronized mode), apparent resistivity, apparent polarizability, half decay time, attenuation degree, deviation degree and comprehensive parameters etc.
-Power-down Protection: With the function of not dropping the data when powering down, it is capable of storing 1MB data and preserving it for a long time.
-Receiving part has the protection ability of instantaneous over-voltage input;
-Receiving part has the protection capability of instantaneous over-voltage input. Long-term preservation;
-All-sealed structure: waterproof, dustproof, long life and other advantages.
Main technical specifications
-Measurement of primary potential resolution of 1μV, the maximum measurable 20V;
-Measurement of polarization rate resolution of 0.001%;
-Measurement of current resolution of 1mA, the maximum measurable 20A;
-Voltage, current, depending on the polarization rate of the measurement accuracy: ±1% ± 1 word;
-Input impedance: >100MΩ;
-Suppression of 50Hz industrial frequency interference is better than 80dB;
-Operating ambient temperature: -10℃～50℃;
-Operating ambient humidity: 95%RH;
-Dimensions: 255mm×120mm×230mm
-Weight: 3kg.
DWD-4A Microcomputer Resistivity Meter
This instrument is a new generation of digital DC electroprocessor based on years of development and production of advanced electroprocessor instruments, and set of 24-bit A/D, ARM, and other newest electronic technology. The volume and weight of the instrument is significantly reduced, the main technical indicators and performance is equivalent to the current foreign instruments of the same type, in a variety of complex environment in the field can work better. Widely used in metal and non-metallic mineral resources exploration, engineering geological exploration, environmental geological exploration, hydrogeological exploration, energy exploration, can also be used for geothermal exploration.
Geophysical Instruments Compendium and Monographs
Main Features
-Small size of the machine, low power consumption;
-Adopting 24-bit AD converter and signal enhancement technology and digital filtering, strong anti-interference ability, high measurement accuracy;
-Automatic compensation of the natural potential, drift and polarization of the electrodes;
-When not measured
-When not measuring, the channel inlet is short-circuited to prevent prolonged open-circuit;
-High power supply voltage (1000V), high current (7A);
-Receiving part of the instantaneous over-voltage input protection;
-Large colorful screen display: Chinese character dialogues, not only to display all the measured parameters at a time, and can also display the observational curves, so that the results of the measurements are intuitive;
-Multi-parameter measurements: the measurement is performed automatically.
-Multi-parameter measurement: it can measure and store natural potential, primary potential and current, apparent resistivity, apparent polarizability, half-life, attenuation, deviation and comprehensive parameters;
-With the function of not losing data after power failure, it can store 1MB data and save it for a long time;
-Control and data processing with single-chip ARM;
-In addition to RS232 interface, network interface and computer communication and data transmission.
-In addition to the RS232 interface, the network port and computer communication to transmit data, increase the USB interface can be used to copy data files with a USB flash drive;
-Polar constants table - for all devices, can be pre-stored in a number of different sets of polar constants, thus avoiding the same polar constants repeatedly input may bring the input error.
Receiving part of the technical indicators
-Voltage channel: ±5V (24-bit A/D);
-Measurement accuracy: when Vp ≥ 5mV, ±0.2%; when 0.1mV ≤ Vp & lt; 5mV, ±1% ± 1 word;
-Input impedance: & gt; 20MΩ;
-Optical polarization rate measurement Accuracy: ±1%±1 word;
-Sp compensation range: ±4V;
-Current channel: 7A (24-bit A/D);
-Measurement accuracy: ±0.2% when Ip ≥ 5mA; ±1%±1 word when 0.1mA ≤ Ip<5mA;
-Impedance suppression of 50Hz IF interference better than
Transmitter part of the technical indicators
-Maximum power supply voltage: ± 1000V;
-Maximum power supply current: ± 7A;
-Power supply pulse width: 1 ~ 60 (s seconds), the duty cycle of 1:1. 10℃～50℃, 95%RH;
-Storage temperature: -20℃～60℃;
-Instrument power supply: Built-in 7.4V4Ah (or external 12V power supply), can work continuously for >30h;
-Weight: 4.2kg;
-Volume: 270mm x 150mm×240mm.
Other Detecting Instruments
GTL115 Metal Detector
GTL115 metal detector is a kind of instrument which is made by the principle of electromagnetic induction, and it can be equipped with three different types of probes according to the different detecting environments and the detecting objects.
JTC115 is operated by a single person, and it can be used in the recumbent position, kneeling position or standing position. JTC115 is operated by one person and can be used in lying, kneeling or standing position. JTC115 is mainly used for detecting objects containing trace metals in various kinds of complex terrain, and can also be used for the detection of other small metal objects. The instrument has been included in the procurement and publicity catalog compiled by the United Nations Geneva International Center for Humanitarian Demining.
Main features
High sensitivity, automatic zeroing technology, automatic under-voltage alarm, and a certain degree of inhibition of magnetic soil interference. In addition, it is light in weight, simple in structure, easy to carry, simple in operation, low in power consumption, stable and reliable in performance, and it is extremely flexible and convenient to be used for the reconnaissance of frontier positions.
Geophysical Instruments Compendium and Monographs
Geophysical Instruments Compendium and Monographs
Main Technical Indicators
-Probe Type: Ⅰ, Ⅱ, Ⅲ;
-Detection Distance of Various Targets See the Table Below;
Detection Distance of Various Targets
-Working Environment Temperature: -40℃～50℃;
-Weight of the complete set of equipment: with Ⅰ, Ⅲ type probe < 1.5kg; with Ⅱ type probe < 2.0kg;
Power supply: ordinary No. 5 batteries (***8 sections), continuous working time ≥ 20h.
CCT-3 type Magnetic Probe
CCT-3 type magnetic probe is specialized in detecting ferromagnetic objects underwater and in wells, which can be used for detecting shipwrecks, bridge piers and piles of buildings.
Main features
Easy to carry;
Connecting cable between main unit and probe is up to 40m long;
Detection results are displayed by both 3-digit meter head and headphone audio.
Technical indicators
Applicable geomagnetic field range: ± 60000nT (± 5%);
Magnetic field gradient range: high sensitivity ± 200.0nT; low sensitivity ± 2000nT;
Resolution: high sensitivity 0.1nT, low sensitivity 1nT;
Remaining magnetism: ≤ 1nT (± 105nT);
Residual magnetization: ≤ 1nT (± 1nT);
Residual magnetization: ≤ 1nT (± 1nT);
Residual magnetic field: ≤ 1nT (± 1nT) 105nT);
Temperature drift: ≤1nT/°C;
Long time drift: ≤5nT/H;
Steering error: ≤10nT;
Parallel error: ≤10nT;
Operating ambient temperature: -10℃～50℃;
Power supply: Main unit 16 NiMH rechargeable batteries inside.
GJX-1 Pocket Compass
GJX-1 Pocket Compass can be used as a sighting compass, geological compass, hand-held level and inclinometer, etc. in ground and mining operations.
Geophysical Instruments Compendium and Monographs
Geophysical Instruments Compendium and Monographs
Main Features
High precision, sensitive rotation of the magnetic needle, clear scale, and moderate hinge torque with no slippage.
Main technical indicators
Magnetic pin magnetic moment: ≥40Gaussc.c.;
Damping time: 30~40s;
-Reading error: difference in reading after the magnetic pin swing <0.5°; difference in reading before and after the pinning system <1°, difference in the eccentricity of the magnetic pin between the position of 0°~180° and the position of 90°~270° <0.5°, tilt error <1°;
-Sensitivity: long level sensitivity 12′±3′/2mm
Circular level sensitivity 25′±3′/2mm (at 20℃);
-Combined leaf life: ≥100000 times;
-Life of supporting shaft tip and agate seat: ≥500000 times ;
-Size: 85mm×73mm×33mm;
-Weight: 260g.