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Non-Magnatic Measurment Instrument Protable Digital Inclinometer
Product Description
Digital inclinometer is an instrument used to measure the top angle and azimuth of a borehole. It is widely used in the fields of petroleum, coal, geological exploration, etc. For the measurement of non-magnetic or weakly magnetic holes, it can effectively overcome the interference of the magnetic field and provide accurate angle data. Its measurement results are usually displayed in digital form, which is convenient for recording and processing.
Working principle
Vertex angle measurement principle: Generally, it is realized by gravity acceleration sensor. When the
instrument is in the borehole, the gravity acceleration sensor will
sense the angle between the gravity direction and the instrument
axis, which is the vertex angle of the borehole. Since the gravity
direction is vertically downward, the vertex angle can be
accurately calculated according to the signal change of the sensor
output. For example, when the instrument is completely vertical,
the vertex angle is 0 degrees; when the instrument is tilted, the
vertex angle is determined by measuring the change of the sensor in
the vertical direction component.
Azimuth angle measurement principle: In a non-magnetic or weak magnetic environment, a high-precision
gyroscope is usually used to measure the azimuth angle. The
gyroscope can sense the change of the rotation angle of the
instrument itself. The instrument rotates in the borehole as the
borehole bends, and the gyroscope can record this rotation
information. The azimuth angle of the instrument relative to the
initial direction can be calculated by integral operation and other
methods. Its measurement accuracy depends on the accuracy and
stability of the gyroscope, and the slight influence of factors
such as the rotation of the earth on the measurement results should
be considered during the measurement process.
System composition
Surface instrument, downhole probe, light manual winch and other related accessories
Technical Specification
Inclination measurement range | 0-60° |
Accuracy | ≤0.1 azimuth |
Measurement range | 0-360° |
Accuracy | 4° (vertex angle 3°), ±6° (2o≤vertex angle≤3°) |
Working temperature | 0-85℃ |
Probe tube dimensions | Φ42x100mm |
Weight | 2kg |
Probe tube downhole depth | ≤1000m |
Surface instrument dimensions | 240x95x140mm |
Weight | 0.8kg |
Product Details