Biaxial Scale Type Mechanical Crack Meter

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Model EDJ-40C2 is a biaxial mechanical crack meter with a marking of ±25 mm (x-axis) and ±10 mm (y-axis). It is ideally suited for measuring the change in width of a surface crack to a resolution of 0.5 mm, or shearing.


EDJ-40C2 biaxial rack meter consists of a graduated scale with a resolution of 0.5 mm and a transparent acrylic plate with a hairline cursor mark. The graduated scale and the transparent acrylic plate is assembled across the crack with expandable anchors in 5 mm diameter holes drilled to a depth of 30 mm as shown in the adjacent figure.

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Instrument Name

Crack meter

Sensor Type

Mechanical, biaxial


Graduated scale- suitable to measure movement in 2 axis


To measure surface crack on any structure - in X-Y planes


Crack, 2-axis

Range (kN)

50, 100 mm

Key Testing / Calibration


Key Feature/Advantage

Simple to install and read

Protection (Waterproofing)


Dimension (mm)


Other Displacement, Crack meter, Joint meter Products


Vibrating Wire Type


Potentiometric Type


Surface Crack Meter


Embedment Joint Meter


Triaxial Crack/Joint Meter


Uniaxial Scale Type


Uniaxial Bolt Type

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