Each type of need has its own gauge

Here’s an overview of our products and their features. If necessary, you’ll find more details on how to make your choice in the information sheet Choosing your crack monitor according to the type of crack or movement. You can also download the concise documentation featuring the main products.

26 products

ProductPurposeMeasurementReadingMeasuring rangeResolution
G1 GaugeMonitors crack development indoors and outdoorsOpening1 axisManual≈ 20 mm0.1 mm
G1+ GaugeMonitors crack development indoors and outdoors with simplified direct readingOpening1 axisManual≈ 25 mm0.05 mm
G1.1 GaugeMonitors crack development indoors onlyOpening1 axisManual≈ 20 mm0.1 mm
G1.2 GaugeMonitors crack development discreetly thanks to its transparent designOpening1 axisManual≈ 20 mm0.1 mm
G1.3 GaugeMonitors cracks with movements of several centimetres (up to 17 cm) or widely spaced fixing points (up to 25 cm)Opening1 axisManual≈ 170 mm0.1 mm
G1.5 GaugeMonitors crack development with a carbon fibre gauge with very low thermal expansionOpening1 axisManual≈ 45 mm0.02 mm
G2 GaugeMonitors and graphically records the minimum and maximum crack openingOpening1 axisManual≈ 25 mm0.1 mm
E1 GaugeMonitors crack development with a removable digital gauge and transparent mounting platesOpening, Shear1 axis or 2 axesManual≈ 25 mm0.01 mm
R1 GaugeRemotely monitors crack development with 3 built-in wireless sensorsOpening, Shear, Misalignment1 axis or 2 axes or 3 axesAutomatic≈ 23 mm0.01 mm0.1 °C · 1% RH
R2 GaugeRemotely monitors crack development with a large-range external sensorOpening, Shear1 axis or 2 axesAutomatic≈ 100 mm0.01 mm0.1 °C · 1% RH
G6 GaugeMonitors both the opening and the shear movement of a crackOpening, Shear2 axesManual≈ 20 mm0.1 mm (X)0.33 mm (Y)
3Dim GaugeMonitors any type of deformation in all three dimensionsOpening, Shear, Misalignment3 axesManual≈ 250 mm / 360° / 60°0.1 mm0.2° in rotation
G3 GaugeMonitors vertical or horizontal misalignment: slab cracking, sagging of a ceiling, beam or floorMisalignment1 axisManual≈ 35 mm0.1 mmi.e. 0.2 mm of movement
R2.P GaugeMonitors the settlement of structures subject to temperature variationsSettlement1 axisAutomatic≈ 100 mm0.01 mm0.1 °C · 1% RH
G5 GaugeMonitors the development of a tilt or overturning movementTilt1 angleManual±10°0.03°
G5+ GaugeMonitors the development of a tilt (removable version of the G5 gauge)Tilt1 angleManual±10°0.03°
G5mini GaugeMonitors the development of a tilt (mini version of the G5 gauge)Tilt1 angleManual±15°0.06°
R5 GaugeRemotely monitors the development of a tilt or overturning movementTilt1 angle or 2 anglesAutomatic±45°0.005°0.1 °C · 1% RH
G130 GaugeMonitors the development of a beam deflection or sagDeflection1 axisManual≈ 35 mm0.1 mmi.e. 0.2 mm of movement
R130 GaugeRemotely monitors the development of a beam deflection or sagDeflection1 axisAutomatic≈ 23 mm0.01 mm0.1 °C · 1% RH
G20 ExtensometerMechanically monitors the change in distance between two widely spaced pointsOpening1 axisManual≈ 25 mm0.1 mm
R20 Wireless extensometerElectronically and remotely monitors the change in distance between two pointsOpening1 axisAutomatic≈ 23 mm0.01 mm0.1 °C · 1% RH
R10 GaugeRemotely measures humidity and temperatureHumidity and temperatureAutomatic−40 °C to +125 °C
0 to 100% RH
0.1 °C1% RH
Crack rulerMeasures crack width by direct reading or with the appCrack widthManual40 mm0.05 mmup to 2 mm, then 1 mm
Triangular gaugeMeasures the gap between two objects or the width of a hole or crackCrack widthManual15 mm0.1 mm
VitrometerMeasures the thickness of single and double glazingGlass thicknessManual4 to 22 mm (glass)
6 to 24 mm (air gap)
1 mm