... and farming science etc.Features:Big screen LCD display, Chinese graphical interface, touch screen input, choosing to equip outlay mouse ... 005ALinear error: ±0.5%Display: LCD displayWay of input: touch screen and penInterface: serial port RS232, parallel port (printer). ... and keyboard interfaceDisplay320×240 LCDInput ModeTouch Screen, Touch penMemory Capability2000 Plates (96 holes) test data