Sokkia Planix 6 Linear-Roller Type Planimeter
Selectable readout in cm2 or in2. Displayed measurements are frozen by locking the “hold” key or accumulated by releasing it. Push button averaging of multiple measurement and push button zero reset. A rechargeable Ni-Cad battery provides up to 30 hours of operation. Automatic battery power saving function turns unit off after three minutes of dormancy. Carrying case included with each planimeter.