Mechanical Telltales
The Mechanical Telltales from Trolex’s RMT product line are low-cost, visual tools for monitoring movement in a tunnel roof, typically for use in underground mines.
- Continuous monitoring of strata displacement
- Strata displacement measurement up to 150mm (without reset)
- Resettable height measurement for movement in excess of 150mm
- Two or four monitoring points (anchor heights) between 0.6m and 16m
- Highly visible display of displacement measurement on-device