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Crack Width Gauge TC400
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Crack Width Gauge TC400

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Product Details

TC400 is used for crack width detection of concrete surface. Also long-term and real-time monitoring of crack width value during the cracking process. During dynamic monitoring process, the crack images can be saved and stored automatically. 


● First in China to support both crack width detection and monitoring functions: its detection function can complete the on-site rapid and automatic test of the crack width, and the monitoring function can carry out long-term continuous and regular automatic monitoring of the crack width in the cracking progress.
● Real-time automatic interpretation of the crack width value: it only takes 150 milliseconds to determine the width of one crack.
● Intelligent interpretation of diagonal cracks: the cracks in the screen are not required to be vertical during automatic interpretation. For diagonal cracks, the direction can be automatically identified and the real crack width perpendicular to the inclined direction can be correctly read, which improves the test speed and test accuracy.
● Support manual interpretation of the crack width value: manually move the cursor to define the boundary of the crack to complete the manual interpretation. A scale ruler is also displayed on the screen, and the reading can be checked. According to different crack widths, the crack image and the scale ruler can also be appropriately zoomed in and out;
● Store data and images at the same time. The stored data and images can be viewed or deleted.
● Export data and images via U disk. Standard 2G U disk, and the capacity can be expanded.
● When performing crack monitoring, set the total monitoring time and test time interval, and display the timing in real time. During the monitoring process, it will automatically sleep in the power-saving mode and can be awakened at any time.

Standard Delivery     
● Main unit    1
● Transducer    1
● Signal cable        1
● Clamp ring    1
● Tapeline    1
● Charger    1
● Extension rod    1
● Straps    2
● Memory disk    1
● Instruction manual    1
● Certificate    1
● Warranty card    1


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Measuring range

0~10 mm

Measuring accuracy


Estimable accuracy


Enlargement factor

digital 60 times

Storage capacity

100,000 crack measure points


Built-in rechargeable Lithium battery


Large graphic display

Operating temperature

-10~ +50

Two operating modes

Touch screen & key press

Dimension of main unit

45mm x 115mm x 190mm

Net weight





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