JCX-3 Three-Component Borehole Magnetometer

• Used for magnetic exploration in wells. Suitable for use in drilling with diameter greater than φ46mm for measurement of horizontal component X, Y and vertical component Z in magnetic field. Can also be used as high-precision inclinometer with non-magnetic hole or far away from magnetic well. It can solve the following issues.

• Verify ground magnetic abnormality, and determine the nature of abnormality.

• Combined with ground magnetic survey for three-dimensional interpretation.

• High-precision measurement of deviation azimuth and inclination.

• Instruct the drilling arrangement, and guide the drilling.

• Determine the depth and direction of blind ore.

• Determination of ore body position, extension, range and thickness of exposed ores.

• Determination of the occurrence of ore bodies.

• Searching of magnetic ore associated ore deposits

 

• Measuring Range: -99999nT~+99999nT

• Difference of readings at the opposite orientation for X, Y magneto sensors ≤400nT

• Difference of readings at the opposite orientation for Z magneto sensor ≤ 300nT

• Inclination Measuring Range: 0~45°, Error: smaller than 0.2°

• Azimuth Measuring Range: 0~360°, Error: smaller than 2° (inclination ≥3°)

• Linearity ≤2‰

• Digital Output, Update Rate ≥ 3 times / sec

• Probe Outline Dimension: φ40×1400mm

• Measured Well Depth ≤ 2000m

• Probe Pressure-Proof ≤ 150kg/cm2

• Dedicated Cable: 4-core Armed Cable

• Instrument Working Power Supply: DC12V/200mA

• Working Environment: Temperature: 0~70°; Humidity: 90% (40°C)

• Master Instrument Outline Dimension: 305×200×228 mm

• Weight: 4kg.