| Commodity | Color Screen Multifunction Digital Readout - QDP400 |
| Language | English, etc. |
| LCD Screen Size | 115mm*85mm |
| LCD Screen Resolution | 640*480 |
| Digital Display Range | 8 Digits(With Decimal Point) |
| Display Axis | 3-axis (X,Y,Z/Q) |
| Z/Q Display Model | Length or Angle |
| Angle Display Mode | Degree, Minutes and Second or Degree |
| Linear Scale Signal | TTL square-wave or AC sine wave of two 90 ° phase angle difference, drive capacity larger than 10MA |
| Linear Scale Resolution | 0.1um,0.2um,0.5um, 1um,2um,5um |
| Baud Rate | 4800,9600,14400,19200,38400,57600 |
| Data Output Port | RS232,DB-9 Parent interface |
| Operation Keyboard | Sealed Silicone touch-type keyboard |
| Expansion Port | Foot Switch, Printer, Optical Edge Finder, etc |
| Power Supply | DC12V/3A |
| Operation Environment | Working Temperature: 0 ℃～40 ℃;Storage Temperature:-10 ℃～60℃; Relative Humidity： <90%RH |