Surface extensometer

Surface extensometers are used to measure displacements on surfaces over distances of 1 to several metres. The sensors, which are encapsulated in a water pressure-tight stainless steel housing, are usually linear potentiometers with a measuring range of 50, 100 or 250 mm and a measuring accuracy of +/-0.02 mm.

For longer distances (base lengths), the sensors and the measuring rod are protected in a telescopic tube. The measurement is done either manually with a portable measuring device or automatically with a data logger.

 

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Marcel Hubrig

Geodetic Engineer

Deputy division manager geotechnics /
Geotechnical instrumentation and measurements /
Geodetic monitoring

T 0041 44 806 29 84
E-Mail

Muhammed Celik

Hydrogeologist and geotechnical engineer

Project Manager

T 0041 44 806 29 87
E-Mail

Médéric Piedevache

Ing. ENSG
Engineer

Member of the extended executive board
Branch manager Nany, France

T 0033 3 83 94 04 50
E-Mail

Dr. Sebastian Brenne

Geoscientist

Project Manager

T 0049 234 904 4717
E-Mail