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2-Axis Inclinometer: Dual-Angle Monitoring for Geotechnical Projects
inclinometer 2 axis
When a retaining wall starts to tilt, knowing which direction matters. A 2-axis inclinometer gives you both X and Y angles simultaneously, so you can understand the movement pattern without guesswork. Unlike single-axis probes, this type eliminates the need to rotate the sensor in the casing, saving field time and reducing alignment errors. Kingmach supplies these inclinometers as part of its geotechnical monitoring range, built for long-term deployment in harsh environments. The sensor body is compact enough for narrow boreholes, and the output can feed directly into most dataloggers. Whether you’re tracking slow creep on a landslide or monitoring deflection in a diaphragm wall, a 2-axis inclinometer provides the full picture engineers need to make informed decisions.
Technical Detail
Configured around process stability, mold life, and long-term uptime.
A 2-axis inclinometer measures tilt in two orthogonal directions simultaneously, typically using MEMS accelerometers or servo-accelerometer technology. In a single pass through a grooved casing, the probe captures both A-axis and B-axis inclination, doubling the data points compared to a conventional uniaxial unit. This speeds up surveys on large projects such as dam abutments or deep excavations, where long casings can take hours to profile. Kingmach offers 2-axis inclinometers configured to match your casing type and site conditions. The stainless steel housing stands up to wet, corrosive boreholes, and the cable connections are sealed to prevent water ingress. Readings remain stable over a wide temperature range, which is important for outdoor installations where surface temperatures swing seasonally. The probe connects to a readout unit or can be part of a larger wireless monitoring network with automated data collection. From an operational standpoint, the main benefit is time savings—fewer passes mean less labor and faster data turnaround. For projects that demand real-time alerts, Kingmach can integrate the 2-axis inclinometer with its cloud platform so engineers receive tilt data remotely. Custom cable lengths and groove sizes are available, and we provide calibration certificates traceable to national standards. Our support team assists with initial setup and data interpretation, drawing on years of geotechnical monitoring experience across various soil and rock conditions.
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FAQ
Common technical questions
How is a 2-axis inclinometer different from a single-axis model?
A single-axis inclinometer measures tilt in one plane only, so to get data in two directions you have to rotate the probe 90 degrees and make a second pass. A 2-axis inclinometer has two internal sensors perpendicular to each other, capturing both A- and B-axis angles in one go. This halves field time and removes the risk of angular misalignment during rotation.
What kind of casing is required for this inclinometer?
The probe slides inside industry-standard ABS or aluminum inclinometer casing with four longitudinal grooves. The grooves keep the sensor oriented correctly. Casing diameter typically ranges from 48 mm to 85 mm, and Kingmach can adjust the wheel assembly to fit your existing casing size if needed.
Can the 2-axis inclinometer be left in the borehole for long-term monitoring?
Portable probes are designed for manual surveys and are pulled out after each reading. For permanent monitoring, we recommend an in-place version where the sensor string is fixed inside the casing. Kingmach can supply either type, depending on how often you need data and whether automated alerts are required.
How is the data recorded and accessed?
Field data can be read with a handheld readout unit or a tablet running our app. For remote projects, the probe connects to a data logger that uploads readings via cellular or satellite gateway. Users can view tilt profiles and time-series graphs through Kingmach's web dashboard, with export options for further analysis.
Do you calibrate the sensors before shipping?
Every 2-axis inclinometer goes through a calibration check against a traceable reference. You'll receive a calibration certificate with the order. For ongoing quality assurance, we suggest an annual check, and our service center can handle that for you.
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