360° MD-Profile array





360° MD-Profile gauges are designed to be placed within internally flush pipes.
The system is suitable for geotechnical and structural applications, for which vertical or horizontal accurate profiling is needed.
Designed for precision geotechnical monitoring, the MD-Profile 360°IPI inclinometers introduce several innovations and improvements over the previous version, such as:
– new removable pressors available for 3 different tube ID
– new triaxial calibration over the entire 360° range
– even stronger connectors
Featuring a patented centering device, MD-Profile 360° is the only IPI that provides accurate triaxial calibration over 360°, and eliminates the interference of the movement of one probe with respect to the two connected probes.
MD-Profile 360 guarantees a repeatability of ±0.5mm over 30m.
Key Benefits:
– 360° Calibration: For full-circle accuracy in every direction
– No Torque, No Interference: Unique design ensures accurate data
– Certified Performance: Validated by the University of Parma
– Fast & Easy Installation: Thanks to its lightweight build and smart connector system
APPLICATIONS
• Retaining walls / Slurry walls
• Tunneling
• Bridges
• Concrete Dams
• Highrise
• Embankments
Tiltmeters are instruments that measure angles respect to the gravity acceleration vector. To get this result an accelerometer is required. It measures the projection of acceleration gravity on its sensing axis. Sensor can have 1, 2 or even 3 sensing axes.
The MEMS (Micro Electro Mechanical Systems) implementation of accelerometers it’s pretty young (about 20years) but mature enough to have its strong reliability been proven. MEMS are indeed silicon chips machined to create a mechanical part inside. The required electronic to read out the signal is inside the same chip.
The working principle is a spring-mass system: a mass (rotor) is anchored with springs to a fix frame (stator). When an acceleration occurs, the rotor moves respect to the stator loading or unloading the springs. That’s it: the displacement measurement is proportional to the applied acceleration. Displacement is measured with different technologies inside the chip but in its simplest form is related to a capacitance measure.
Sisgeo uses the state-of-the-art of MEMS accelerometers that implement several methods to compensate temperature variation and reduce the cross-axis error reaching very high accuracy.
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