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Electronic Theodolite Topographic Surveying Instrument
- Item No. : DT-202
Main Features :
鈼 Accuracy 2"/5"
鈼 Reliable Performance鈼 Laser plummet/Optical Plummet optional鈼 Large LCD Screen, Dual Sides鈼 RS-232C data output
鈼 Easy-to-operate & Easy to Calibrate
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Technical Specifications :
|
|
Model |
DT-202 |
|
TELESCOPE |
Image |
erect |
|
Magnification |
30X |
|
|
Effective Aperture |
45mm |
|
|
Resovling Power |
3.5" |
|
|
Field Of View |
1銆30' |
|
|
Minimum Focusing Distance |
1.3m |
|
|
Stadia Ratio |
100 |
|
|
Stadia Constant |
0 |
|
|
Tube Length |
156mm |
|
|
ANGLE MEASUREMENT |
Measurement Method |
absolute encoding |
|
Minimum Reading |
1"/5"selectable |
|
|
Accuracy |
2" |
|
|
Detection Method锛欻or. |
dual |
|
| DISPLAY |
DIAPLAY (LCD) Display Type |
2 sides锛孡CD |
|
COLLIMATION LASER |
Max Range |
200m |
|
SENSITIVITY OF VIAL |
Pate Vial |
30"/2mm |
|
Circular Vial |
8鈥/2mm |
|
|
COMPENSATION |
System |
liquid-electric detection |
|
Working Range |
卤3' |
|
|
LASER PLUMMET |
Dot Diameter |
2mm |
|
Accuracy |
1.0mm |
|
|
Operating Temperature |
20鈩-50鈩 |
|
|
Communication sSandard |
RS232C |
|
|
Battery |
chargeable battery/4xAA battery |
|
|
Operating Time |
45 hours |
|
|
|
Size |
160 x 175 x 340 mm |
|
|
Weight |
4.8kg |
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