RRT1341 ELECTRONIC TELLTALE

Electronic dual-height telltales designed to provide highly accurate but simple, low-cost monitoring of rock movements in mines and tunnels, and which can be read separately using the RRT-PR Portable read-out unit, or as part of a local or mine-wide system of strata monitoring and control

The unit utilizes a measurement principle that has no moving parts and is unaffected by water, providing exceptional longevity as well as our trademark accuracy

Available for multiple monitoring points within the strata, with optional visual reading indicators for roof or spring-loaded sensors for sidewall monitoring. RRT instruments can be easily daisy-chained in systems of up to 100 units linking into a local controller or a surface PC as required

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Features

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Anchor suspension wire: High quality stainless steel with stainless spring rock anchors

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Power source: None. Supplied from readout unit when connected

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Repeatability: +/- 0.5mm (better in stable temperatures)

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Intrinsic safety: ATEX and IECEx

Applications

Coal Mining

Potash Mining

Salt Mining

Hard Rock Mining

Tail-Gate Areas

Longwall Operations 

Inaccessible Areas

Storage Facilities

Tunnelling

Civil Engineering Projects

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