|Valid untillong term effective
|Latest update2015-12-28 15:49
Tunnel displacement meter
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:
Number of displayed value:0.5m~30m
Stability of displayed value:less than 0.01mm in 24 hours.