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This instrument could measures elongated shapes, lines and circular areas, removing the need for grids, charts, or calculators.
The measuring accuracy is better than +/-0.2 percent, so its results are precise and reliable. It features a numeric keypad and all results are instantly displayed on the clear LCD screen while you measure
The Placom Digital Planimeter is designed to provide accurate area measurements from 2-dimensional maps of large irregularly shaped areas. It is equipped with a roller wheel for expanded range, an internal microprocessor, digital readout and a wide variety of features to efficiently gather detailed information about large bodies of water, curved borders, and other landscapes. The measurements are very precise and the device is easy to use. It is accurate to +/- 0.2 percent and allows a wide range of cumulative measurements both vertically and horizontally. This digital scaling and mapping device is ideal for those that work in surveying, civil engineering, mapmaking, forest management, or agriculture.
Maximum area measure range: width 300mm, no limited of length
Relative error: ±0.2 %
Display: LCD with 16 Lattices
Power: battery DC 6V
Size: 260×180×40 (mm)