 |  |  |  |
| | JT12A | JT12A-Z | JT12A-C |
| The metal table＇s size | 340×152 | 340×152 | 340×152 |
| The glass table＇s size | | | |
| Screen dimention(mm) | φ300 | φ300 | φ300 |
| Screen rotary range | 0～360° | 0～360° | 0～360° |
| Digital display equivalent of screen rotary | 1' | 1'（or0.01°） | 1'（or0.01°） |
| Transmissive illumination | 24V 150W Halogen tungsten lamp | 24V 150W Halogen tungsten lamp | 24V 150W Halogen tungsten lamp |
| Reflection Illumination | 24V 150W Halogen tungsten lamp | 24V 150W Halogen tungsten lamp | 24V 150W Halogen tungsten lamp |
| Working table travel(mm)X-axis | 0-150 | 0-150 | 0-150 |
| Working table travel(mm)Y-axis | 0-500 | 0-50 | 0-50 (focusing distance50) |
| Working table travek(mm)Z-axis | 0-80 | 0-80(focusing distance50) | 0-80 |
| Digital display of working stage X-axis travel(mm) | 0.001 | 0.001 | 0.001 |
| Digital display of working stage Y-axis travel(mm) | 0.001 | 0.001 | 0.001 |
| X/Y-axis accuracy | (4+40L)μm | (4+40L)μm | (4+40L)μm |
| Objective magnification | 10×standard/20×(option)/50×(option)/100X(option) | 10×standard/20×(option)/50×(option)/100X(option) | 10×standard/20×(option)/50×(option)/100X(option) |
| Objective view-field | φ30/φ15/φ6/φ3 | φ30/φ15/φ6/φ3 | φ30/φ15/φ6/φ3 |
| Objective working distance | 75/69/26/26 | 75/69/26/26 | 75/69/26/26 |
| Objective mirror | 10×standard/20×(option)/50×(option)/100X(option) | 10×standard/20×(option)/50×(option)/100X(option) | 10×standard/20×(option)/50×(option)/100X(option) |
| Multi_purpose data processing function | -- | Mutil-purpose data-processor function | |
| Software function | -- | | CAT2 software function |
| 产地 | China | China | China |
| | 
或电话：
021-65730171 |
或电话：
021-65730171 |
或电话：
021-65730171 |