What tilt sensors measure

A tilt sensor, also called an inclinometer, measures the angle of the surface it is fixed to and records how that angle changes over time. It is the right tool when a structure is more likely to rotate than to move bodily: a retaining wall leaning out, a party wall rotating as the ground next to it is excavated, or a temporary works prop starting to deflect.

Why use them

Tilt sensors give continuous, real-time readings without anyone needing to visit, so they act as an early warning between survey visits. They are small, quick to install, suit a wide range of structures and conditions, and are cost-effective for long monitoring periods.

Wireless tilt sensor fixed to a brick wall

Part of a wider scheme

Tilt monitoring rarely runs on its own. We usually combine it with total station movement monitoring and vibration monitoring so the engineer sees rotation, displacement and vibration side by side.

How it works

  1. Agree positions and triggers

    We agree where rotation matters and what thresholds apply with the structural engineer.

  2. Install

    Sensors are fixed with minimal intrusion and set up to transmit readings remotely.

  3. Monitor

    Readings arrive continuously, with alerts the moment a threshold is passed.

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We was looking for a local company to survey our setting out on our new build project and came across THS, We are VERY happy with the service they provided, Tom visited the site and was very helpful and professional. providing a detailed description and was very thorough. we will defiantly be using THS in the near future.

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I contacted Tom to carry out a Topographic survey, and cannot recommend them enough. Nothing was to much, and I was kept up to date with everything as it happened! Great company to deal with and reasonably priced.

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Tilt monitoring: common questions

When is tilt monitoring the right choice?

When the likely failure mode is rotation rather than translation, for example a retaining wall, a party wall during excavation, a chimney, a column or a temporary works prop or scaffold.

Can tilt sensors be combined with other monitoring?

Yes. They often run alongside total station prism monitoring and vibration monitoring on the same site, giving rotation, movement and vibration in one scheme.

Do the sensors damage the structure?

No. Installation is minimally invasive, using small fixings, which suits occupied and listed buildings.

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