For evaluating plane areas of any shape or contour from maps, blueprints, photos, etc. Features include lens tracer, built-in vernier magnifier for measuring wheel, zero setting wheel, pole weight, fixed pole arms, fixed tracer arm, and exclusive tilted body design that permits operation without bending over the instrument during tracing/readout. English or metric calibration. Packed in a 12" x 6" x 2" carrying case with test rule and instructions. Weight with case, 2.5 lbs.

PL30 features an adjustable pole arm and adjustable graduated tracer arm. Special parallax-free tracer lens instead of a needle tracer. English calibration only.