Electronic theodolite LET Series
Specification:
Type |
LET-02 |
Telescope |
|
Length of Telesoope |
156mm |
Image |
Erect |
Objeclive Lens Aperture |
45mm |
Magnification |
30X |
Field of View |
3.5'' |
Resolving Power |
1°30' |
Shortest Sighting Distance |
1.3m |
Stadia Ratio |
100 |
Stadia Comstant |
0 |
Angle Measurement |
|
Method |
Raster Incremental |
Detecting |
Horizontal:Double |
|
Vertical:Single |
Minimum Reading |
1"/5" |
Standard |
2" |
Display Panel |
Double Face |
Compenstor |
|
Tilt Sensor |
Yes |
Range |
±0.3' |
Output Interface |
|
Communication Standard |
RS232C |
EDM Interface |
Yes |
Date Output Interface |
Yes |
Plummet |
|
Image |
Erect |
Magnification |
3X |
Field of View |
5° |
Focus Range |
0.5~ ∞ |
Laser Plummet Accuracy |
±1mm |
Base |
|
Base Model |
Separated |
Power |
|
Battery |
Chargeable battery or four AA alkaline |
Working Time |
About 20 Hours |
Level Sensitivity |
|
Sensitivity of Long Vial |
30"/2mm |
Sensitivity of Bubble |
8"/2mm |
Laser |
|
Wavelength |
635mm |
Laser Power |
10mw |
Range(Day) |
150m |
Point Size |
5mm/10mm |
Tolerance of Point Centre |
<=5" |
Power Supply |
DC3V |
Work Temperature |
-10°C~+45°C |
Other |
|
Temperature |
-20°C~+50°C |
Net Weight |
4.8kg |