First let's set the record straight: J-Mate is not a total-station. J-Mate and TRIUMPH-LS together are a "Total Solution" which is a combination of GNSS, encoder and laser range measurements that together does a lot more than a total station. At long distances you use GNSS and at short distances (maximum of 100 meters) you use the J-Mate along with the TRIUMPH-LS. Together they provide RTK level accuracy (few centimeters) in ranges from zero to infinity. Although the sensors are specified to work up to 100 meters, usage is quicker and more convenient for distances of up to 50 meters.
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