Model | EL28 | |
Accuracy | ||
Standard deviation of km double run | ||
Electronic measurement | +/-1.5mm* | |
Optical measurement | +/- l.5mm* | |
Electronic measurement | ||
Time for single measurement | ≤2s | |
Range | 2-80m | |
Measurement modes | Singel, tracking | |
Display resolution(m/in selectable) | ||
Height | 1mm/0.01ft | |
Distance | 10mm/0.1ft | |
Telescope | ||
Clear objective aperature | 45mm | |
Magnification | 28x | |
Field of view at 100m | 2.6m | |
Shortest focus distance | 0.8m | |
Automatic compensator | ||
Working range | 15' | |
Setting accuracy | +/-0.4" | |
Power | ||
Battery | 2000mAh Ni-MH rechargeable | |
Continuous operating time | 40 hours | |
Measurement programs | ||
On-board programs |
DH,inverse staff measurement
I error checking and adjustment |
|
Others | ||
Display | Segment display | |
Keyboard | Function key board,6 keys | |
Interface | RS232 | |
Sensitivity of circular level | 8'/2mm | |
Water and dusp protection | IP54 | |
Operating temperature | -20°C~50°C | |
Net weight | 2kg |