Summary: A vibrating wire sensor carries its measurement as a frequency rather than a voltage, and that one property is why the reading survives ki...
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Summary: A tilt sensor and a vibration accelerometer are usually the same MEMS sensing element with a different specification written around it. Th...
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Summary: A level threshold answers how far a structure has moved and says nothing about when it will stop being safe. The methods that forecast the...
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Summary: Uniform heating does not change the angle of a bracket. It changes the size of the bracket, and size cancels out of an angle, so a bracket...
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Summary: A manhole cover is one of the hardest common targets for a tilt sensor, and the reason is not accuracy. The event that matters most, a cov...
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Summary: On a dam or a bridge pier, most of the movement a tiltmeter records is supposed to be there. Concrete dam deformation is elastic and drive...
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1. Why a Historic Structure Is a Harder Monitoring Target Than a New One A new structure comes with a design model. Someone calculated how it would...
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Summary: Failures on an RS485 monitoring bus are rarely sensor failures. The daisy chain rule, the two end terminations, the single point shield bo...
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Summary: The conversion itself is one multiplication: horizontal displacement equals span multiplied by the tangent of the angle, and one degree eq...
Read More » Summary: A lighting column is a cantilever, and its controlling failure mode is fatigue cracking at the base detail or rotation of a foundation tha...
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