| Distance Measurement | ||
| Max Range | Reflectorless | 600m |
| 1 Prism | 3.5km | |
| 3 Prism | 5.0km | |
| Sheet | 1.0km | |
| Reading | ||
| Measuring Time | Fine: <2s; Tracking: <0.25s; Repeat: <0.35s | |
| Atmospheric Correction | Auto Correction | |
| Prism Constant | Auto Correction | |
| Angle Measurement | ||
| Measurement Method | Absolute Encoding | |
| Diameter of the Absolute Encoding Disk (Horizontal/Vertical) | 79mm | |
| Minimum Reading | 0.1″/1″ Optional | |
| Accuracy | 2″ | |
| Detection Method | Horizontal Dual; Vertical: Dual | |
| Telescope | ||
| Image | Erect | |
| Length | 152mm | |
| Effective Aperture | 45mm, (DTM: 47mm) | |
| Magnification | 30X | |
| Field of View | 1° 30′ | |
| Minimum Focus | 3″ | |
| Minimum Focussing Distance | 1.3m | |
| Automatic Compensator | ||
| System | Dual Axis Liquid-electric Sensor Compensation | |
| Working Range | ±6′ | |
| Accuracy | 1″ | |
| Sensitivity of Vial | ||
| Plate Vial | 30″/2mm | |
| Circular Vial | 8’/2mm | |
| Optical Plummet | ||
| Image | Erect | |
| Magnification | 3X | |
| Focusing Range | 0.3m~∞ | |
| Field of View | 5° | |
| Display | ||
| Type | 3.5 inches LCD, 320x240dpi Touch Screen | |
| Communication | ||
| SD Card | Supportable | |
| Serial I/F Port | RS-232C(6pin)/USB Mini-B/ and SD Card/ Bluetooth | |
| On-board | ||
| Power Supply | Rechargeable Lithium Battery | |
| Voltage | 6VDC | |
| Operating Time | Operting period with Continuous Angle Measurement every 30sec 12hours | |
| Physical | ||
| Dimension | 216x200x350mm | |
| Weight (without battery) | 5.2kg | |
| IP Standard | IP65 | |
| Working Temperature | -20°C ~ +50°C | |
N4
● 600m reflectorless EDM
● Bluetooth 4.0
● Data transfer and storage
● T-P sensor, automatic correction
● Concentrated ball bearing
● EDM Trigger Key
● Control panel with high resolution touch screen
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