Accurate surveying with Topcon

342 Topcon Positioning Group is expanding its GM range of manual total stations with the addition of the new GM-50. The unit is designed to provide fast and accurate measurements in a cost-efficient package. Compact and durable, the GM-50 is said to offer high performance and functionality for jobs such as site layout or as-built survey, according to the firm. The beam is designed to offer a rapid distance measurement of 0.9 seconds regardless of the target. The iM-50 EDM features a prism range of up to 4,000m and up to 500m in reflectorless mode.  Additional features include Bluetooth connectivity with the controller, as well as 50,000 points of internal memory, or up to 32GB USB flash drive external support.