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About this item

• 111 built-in and thousands of available user-defined scale factors. Includes all common scales – imperial and metric too
• Calculate auto-scale factor from reduced, enlarged or odd-scale drawings
• Measures in inches, feet, yards, miles, centimeters, meters and kilometers
• Calculates square and cubic dimensions for regular areas and volumes
• Counter and adder buttons on probe tip let you count items or add fixed lengths as you scale
• Create, store and retrieve 2 user-defined scale factors
• Clear, audible tone indicates wheel movement

Our Plan Measuring Wheel measures plans fast & accurately. The PlanWheel SA2 is the perfect tool for taking scaled measurements from blueprints, plans and maps. Just select the built-in scale factor to match the plan and roll the wheel. The measurement is displayed instantly. The PlanWheel SA2 is a Stand-Alone model. It does not interface with your computer.