QCJ-2020 Digital Planimeter with USB output.
The area unit can be converted. Parameter: Measurement range: 300 mm wide, unlimited length graphics Relative error: ± 0.2% Display mode: 16 bit dot matrix LCD display Power supply voltage: internal storage power supply DC6V Weight of instrument: 1.25Kg The overall dimension of the instrument host: 26cm*18cm*4cm
