Takes scaled measurements from maps, blueprints and plans.
Digital measuring Wheels available in two models. Both models feature a bi-directional wheel that will add or subtract based on wheel movement; 52 built-in plus three user-defined scale factors, including all architectural, engineering, mapping and metric scale factors; calculator for square and cubic dimensions for area and volume. Buttons allow you to count items or add lengths. Large LCD, automatic shut-off.
The computer model--Scale-Link 3.0--allows for computer interface and comes with Plan Wheel PC, Windows®-based software, manual, cable and protective case.
Accuracy is ± 0.25%. Resolution: 1.0mm (.04"). Uses two AAA batteries (included).