Tunnel convergence gauge

Description: The Digital Convergent tester is designed to detect the deformation in tunnels and undergound caverns by measuring the contraction or elongation between 2 anchor points fixed in the walls of tunnel or caverns.

Main technical parameters:  

Measuring range:0.5m~30m 

 Number of displayed value:0.5m~30m  

Measure Accuracy:0.06mm  

Resolution:0.01mm  

Stability of displayed value:less than 0.01mm in 24 hours.  

Dimensions: 410mm×100mm×35mm