Approved by Geographical Survey Institute of Japan: DL-103R/103A class 2 electronic levels

High-accuracy surveying performed by only pressing "MEAS" key after pattern staff collimation. A digital level for civil engineering execution.
Excellent resistance to environmental phenomena, including vibration, non-uniformity in lights and shades and heat haze. Waterproof structure of IPX 6.
No need to read the pattern staff scale. Uniform surveying assured without individual differences by surveyors as in the past.
Distance to pattern staff can also be measured.
Relative height difference or elevation from a control position can be displayed in the Height Diifference mode.
Four R6 alkaline batteries (AA size) can continuously power the level for 20 hours.
DL-103R (With RS-232C output)
DL-103A (With auto focusing function)