Based on points stake out, road construction project needs to compute the earthwork by measuring before and after earthwork digging and filling.
Reflectorless and EDM trigger key dramatically increase work efficiency
Only one surveyor is required with the non prism mode and trigger key, once pointed to the target, quick measuring button clicking can avoid any possible torque during the survey within 1.2s per measurement, which dramatically increase work efficiency and quality. Especially in cold weather, surveyors can continue measurement with gloves.
