US: Topcon Positioning Group has added a new product to its line of reflectorless total stations for the construction and mining market—the GPT-3500LNW. With a measuring distance of 2000 meters (6,560 ft.), the GPT-3500 is designed to measure further than any non-prism instrument in its class.
“Incorporating the Topcon advanced time-of-flight pulse technology, the EDM is fast and powerful. The Topcon algorithm filters signal noise to provide accurate measurements even on dark and wet surfaces, where other reflectorless technology might fail," said Ray Kerwin, director of global surveying products. Along with its onboard data collector, the GPT-3500 has the ability to connect to an external field controller via built-in Bluetooth technology, enabling field to office connectivity with the MAGNET suite of software solutions. The system can supposedly be paired with a prism to allow for a measurement range of up to 3000 meters (9,842 ft.).
Additional features include a rugged IP66 rated design, on-board TopField application software, and battery life of up to five working hours.