G1.1 Gauge

80,50 w/o VAT per box 10 units

G1.1 Gauge is recommended for measuring crack evolution in a single plane. For interiors only.

Delivered with a box of 10 gauges, 1 pen and detailed notice.

Table of content

Technical characteristics
Reading and fixing the gauge
Related products

Technical characteristics

The G1.1 gauge is identical to the G1 gauge but is for use inside buildings only and is for installation particularly in dry rooms

  • Reading the crack evolution to 1/10th of a mm using a vernier
  • White, in extruded PVC. Sliding tongue in Lexan.
  • Foldable plastic angle bar inserted into a slotted hold (patented system)
  • Weather-resistant (for outside or wet building)
  • Size : 140 X 40 mm, total depth: 3 mm,
    • thickness of plate = 0,7 mm
    • thickness of sliding tongue = 0,5 mm
  • Weight 4g
  • Traction force in the order of 25g
  • Coefficient of linear expansion = 7.10-5

Reading and fixing

The G1.1 gauge is part of the G1 Saugnac type gauges based on the 3 same concepts :

    1. Measurements are made using a vernier measuring to 1/10th of a mm. More explanations about reading principles available on G1 product page.
    2. They can be fixed in place using double-sided self-adhesive tabs or using mechanical fixing with screws : two ø 4 mm holes facilitate fixing using plugs and screws on difficult structures where self-adhesion and sticking are not possible.
    3. The gauge is delivered with a foldable plastic angle bar inserted into a slotted hold. This patented system offers two advantages : the possibility to fix the jauge in angle easily, and the absorption of unwanted movement in other axis that could block the gauge. More explanations on fixing principles are available on G1 product page


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