The model SME-2345-P Prism target consist of a mini prism mounted on a frame. This can be mounted in universal joint by this we can oriented it any direction as per our requirement. It is attached with the threaded convergence bolt to mount the prism at required direction in the tunnel or any other measuring locations. The Prism target can be mounted at required distance in the tunnel. The distance is measured by Total Station.
The Microprocessor based Electronics distance measuring unit along with its stand is being used to measure the distance as well as convergence of tunnel wall with the help of reflectors.
