Features:
• Special design: single horizontal spindle which cross telescope New design concept, combine higher precision, better stable and shock resistance ability.
• Absolute angle encoder system
Able to read angle data without passing “0”, let angle measurement be more simple and convenient.
• English large display
Adopt backlight technology, able to display horizontal and vertical angle at the same time. Convenient to be used in different condition.
• Superior water and dust proof specification IP66
Able to prevent dust and humid air, maintain good performance even in bad environment.
Specifications: | |
Model No.: | DT-21 /DT-51 |
Telescope | |
Image | Erect |
Magnification | 30X |
Objective aperture | 45mm |
Field of view | 1° 30’ |
Shortest viewing distance | 1.4m |
Stadia ratio | 100 |
Resolution | 3’’ |
Angle measurement | |
Angle measurement mode | Absolute angle encoder system |
Minimum count | 1” / 5” |
Accuracy | 2” / 5” |
Angle units | DEG/MIL/GON |
Display | LCD double sides |
Compensation range | ± 3’ |
Plummet | Laser or optical plummet for option |
Precision of plate vial | 30” / 2mm |
Precision of circular vial | 8’ / 2mm |
Working temperature | -20°C ~ 50°C |
Battery | 3.7V chargeable lithium battery |
Weight | 4.8kg |
Standard outfit: | main unit, 1pc rechargeable battery pack and charger, instrument manual, plastic case. |