Koizumi Placom digital Planimeter. Roller-type planimeter features unique 6-digit pulse count operation that permits cumulative measurement of areas up to 10m (100 times the measuring capacity of ordinary planimeters). Includes hold and measuring control, clear liquid crystal digital readout, and scale readings in Metric or English. Enhanced with advanced micro-processors for accuracy. Easy roller operation-simply follow the outline of the area to be measured, the reading on the digital display corresponds to the area.
Ideal for many applications where precise, large-area measurements are needed. Maximum measuring range: 325mm vertical; 30m horizontal. Accuracy: within ±0.2% (within ±2/1000 pulses). Computing function gives the measurement readout in the scale desired (sq.ft., acres, etc.). Packaged in a plastic carrying case. Includes AC adapter, battery, and operating instructions. Made in Japan. Alvin KP90N Koizumi Placom digital planimeter.