TC21-10 - AVONGARD Corner Tell-Tale - Crack Monitor (Package of 10)
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HC-2940 Concrete Crack Width Gauge - Humboldt
Supports the following standards: BS EN ISO 9001:2000
The crack width gauge is designed specifically to measure widths and locations of cracks prior to beginning a monitoring program.
The crack width gauge is suitable for internal and external use.
It is made polycarbonate, which has a coefficient of linear thermal expansion of 7.0 x 10-5 cm/cm/C for ambient temperatures between -30 degrees C and 30 degree C.
The scale is calibrated from the end of the gauge to facilitate measuring cracks in corners.
Supplied with protective case.