... Precision ranging system Hi-Target ZTS-120/120R series total station integrated the high precision ranging system, which combined with ... beam precise rangingü Hi-Target ZTS-120/120R series total station designed with the slender laser beam precise ranging technology, ... of PJK brand land surveying instrument, the PJK brand covers total station, theodolite, level,RTK GPS, GIS, handheld GPS, Rebound ...