| Customization: | Available |
|---|---|
| Accuracy: | <1mm |
| Horizontal Line: | 1 |
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The survey pipe is usually installed in a vertical borehole through the unstable soil layer to the stable formation below. A digital vertical mobile inclinometer probe, control cable, pulley device, and readout are used to observe the deformation of the inclinometer. The first observation can establish the initial section of the pipe deflection measurement. Subsequent observations will show the change in section displacement when the ground is moving. For observation, the probe moves from the bottom to the top of the inclinometer, pauses at a half-meter interval and performs the measurement tilt. The tilt of the probe is measured by two servo accelerometers with balanced forces. An accelerometer measures the longitudinal position of the groove of the inclinometer tube, that is, the inclination of the plane where the measuring wheel on the probe of the inclinometer is located. The other accelerometer measures the inclination perpendicular to the wheel plane. The inclination can be converted into lateral displacement. By comparing the current and initial observations, the amount of lateral shift can be determined, indicating the movement of the formation. Plotting the change in the offset gives a high resolution displacement profile. This section helps determine the magnitude, depth, direction, and rate of ground motion displacement.
* vertex angle range: 0 ~ 45˚
* vertex angle precision: less than 0.1˚
* azimuth range: 0 ~360˚
* azimuth precision: ±4˚ (when the vertex is more than 3˚), else ±6˚ (when the vertex is between 2˚ and 3˚)
* Diameter of probe: Φ 42mm
* length: 1000mm
* Weight: 2Kg (weighting baris 5Kg)
* endurable press: 5Mpa
* working temperature: 0 ~ 80˚C
* power supply: AC220V±10%, 50Hz (DC12V)
Performance:
* measurement point by point
* digital output
* simple, reliable axial-orientation system
* high precision vertex angle and azimuth measurement
Fundamental Theory of Operations
(Cautions: these sensors inside the probe are accurate devices, which are forbidden to crash down and
destroy or else you will take accountable for them.)
Interior of the probe these are two linear inclination sensors, by whose output signals you can count out the vertex angle.
Measurement of magnetic field consists of three sensors that are perpendicular to each other. Each sensor direction will record
its corresponding magnetic strengthens and its sensibility is match with the dimension of this direction. Influence in the axis
direction, where the sensor can tell from each other in a resolution of 1mG, is little. So two dimensions determine the azimuth.
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