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G130 Gauge

Simplicity and precision of the G3 gauge: the change in sag, the lean of a wall or the distortion of a structure relative to 2 fixed points can be detected to 1/10th of a mm.

Individual studies on request : please enquire.

Table of content

Detailed description of G130 gauge
Application examples of the G130 system
Details of the G130 system

Detailed description of G130 gauge

With the device depicted, which uses the simplicity and precision of the G1 gauge, the change in sag, the lean of a wall or the distortion of a structure relative to 2 fixed points can be detected to 1/10th of a mm.

  • The body of the G3 gauge is firmly attached to the structure under study, either by a self adhesive tab or if the surface is irregular, damp and of poor quality, using an intermediate plate.
  • The sensor mounted on the G3 gauge arm is in contact with the cold drawn Invar wire stretched between 2 fixed points independant of the structure being monitored.
  • Readings are made under constant tension controlled by a pre-loaded spring.

 

Exemples d’applications

Monitoring the lean of a retaining wallMonitoring the vertical sag of a wall being compressedMonitoring the sag of a horizontal beam

Key

1. Structure under study
2. G3 gauge attached to the structure being studied
3. Taut cable
4. Fixed points
5. Sliding tongue of the G3 gauge
6. Mechanical device for controlling the tension
7. Tared spring

Details of the G130 system

Monitoring the lean of a retaining wall

Monitoring the evolution of sagging

Detail of the attachment of the sliding tongue to the cable

⇒ Individual studies on request : contact us

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