| Model |
ET-02 |
ET-05 |
ET-10/20 |
| Telescope |
|
| Image |
Erect |
Erect |
| Magnification |
30× |
30× |
| Objective
Aperture |
45mm |
45mm |
| Resolution
Power |
3" |
3" |
| Field
of View |
1°30' |
1°30' |
| Shortest
Focusing Distance |
1.4m |
1.4m |
| Multiplication
Constant |
100 |
100 |
| Additive
Constant |
0 |
0 |
| Length |
157mm |
157mm |
| Angle
Measurement |
| Accuracy |
2" |
5" |
10" / 20" |
| Reading
System |
Photoelectric Detection by Incremental Encoder |
| Circles
(HZ, V) |
Ø79mm |
Ø79mm |
| Min.
Reading |
1"or 5" |
1" or 5" |
10" or 20" |
| Detecting |
HZ |
Dual |
Dual |
| V |
Dual |
Single |
| Measurement
Unit |
360°/400Gon/6400Mil |
| Display:
Illuminated Panels |
2-sided,
Segment LCD, in two lines |
| Data
Output: Interface |
RS-232C |
RS-232C |
| Bubbles: Circular |
8'/2mm |
8'/2mm |
| Plate |
30"/2mm |
30"/2mm |
| Optical
Plummet:
M |
Image |
Erect |
Erect |
| Magnification |
3× |
3× |
| Field
of View |
5° |
5° |
| Focusing
Range |
0.5m-¥ |
0.5m-¥ |
| Automatic
Vertical Compensator |
| System |
Liquid-electric Detection or Plate Level selectable |
| Accuracy |
e-Sensor |
±1" |
-- |
| Plate
Level |
30"/2mm |
-- |
| Working Range |
±3' |
±3' |
| Battery
NB-10A |
DC 6V: Rechargeable Ni-H or 4×AA |
| Charger
NC-10A |
220V or 110V, 50HZ |
| Operating
Time |
10Hrs |
| Ambient
Temperature |
-20°C ~ +45°C |
Central
Thread |
5/8"×11 |
Recommended
Tripod |
Heavy-duty Tripods |
Standard
Accessories |
Adjusting Pin, Charger, Desiccant, Plumb Bob
Screwdriver, Soft Brush, User Manual, Woolen Cloth |
Packing
Details |
1pc per Carton; 10kgs per Carton;
Dimensions per Carton: 0.06CBM (=48cm×30cm ×41cm) |
|
Plastic
Carrying Case PCC-2500
(N.W.:
2500g) for ET Series Theodolite
|
Copyright© 2006 Geo-Master. All Rights Reserved.