The El20 is designed with new code processing and auto leveling technology. Its outstanding features
make it applicable for 3rd and 4th order leveling and construction measurement.
EL20 can replace tradition optical level with high quality but lower price. Easy one-touch operation with trigger key to get dH and HD displayed on screen almost instantly, you can enjoy survey work freely. Easy one-touch operation, simply push the trigger key. On board program such as DH, Inverse staff measurement, Error checking and adjustment.
EL302A is equipped with alphanumeric keyboard and professional on-board program, it can be used
for high precise leveling of flat and sloping surface, subsidence and deformation monitoring,
establishing 2nd and 3rd leveling control networks.