Digital Bus In-Place Inclinometer System
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Digital Bus In-place MEMS Inclinometer Systems (IPI) are designed to measure lateral movement of inclinometers when remote and continuous monitoring is required.
Each IPI employs MEMS accelerometer sensors housed inside a 31.75 mm (1.25 in.) diameter, water-tight, stainless steel enclosure. The sensor body is rigidly connected to a 25.4 mm (1.0 in.) diameter bay rod which establishes the length of the IPI. Multiple IPIs are assembled with pivots allowing sensing of displacement over discreet, configurable intervals. Wheel assemblies centralize the pivot point and establish the azimuth of each IPI. They are available in sizes to fit 70 mm (2.75 in.) or 85 mm (3.34 in.) O.D. inclinometer casing.
The sensors are read through a connectorized signal cable designed to chain together multiple sensors. A datal ogger is used to monitor the deflection of each sensor on the digital bus. If necessary, an alarm can be triggered when movement reaches a threshold rate or magnitude.
IDEAL FOR MONITORING OF:
- Stability adjacent to excavations or underground workings.
- Deflection of piles, piers, abutments, or retaining walls.
- Dams and embankments.
- Range: ±15°
- Resolution: ±1 arc sec. (±0.0003°) (0.004 mm/m)
- Non-linearity: ±0.0125% F.S. (±0.002°) (0.03 mm/m)
- Repeatability: ±0.0125% F.S. (±0.002°) (0.03 mm/m)
- Sensor: MEMS (Micro-Electro-Mechanical Systems) Accelerometer – Triaxial
- Gauge Length: 0.5 – 3 meters
- Wheel Assembly: 70 mm (2.75 in.) 85 mm (3.34 in.)
- Bay Rod Diameter: 25.4 mm (1.0 in.)