Send inquiry
Phenix Digital Survey Theodolite Electronic Theodolite (Green DT23)
1. Single horizontal spindle which cross telescope makes higher precision and better stability and resistant shock ability
2. Absolute angle encoder system makes measuring easier.
3. Big screen makes displaying horizontal and vertical angle at the same time
4. Down laser point makes the instrument easier to set up and operate.
5. Superior water and dust proof IP66
1. Single horizontal spindle which cross telescope makes higher precision and better stability and resistant shock ability
2. Absolute angle encoder system makes measuring easier.
3. Big screen makes displaying horizontal and vertical angle at the same time
4. Down laser point makes the instrument easier to set up and operate.
5. Superior water and dust proof IP66
Model | DT-21 | DT-23 | DT-22L | |
Telescope | Image | Erect | Erect | Erect |
Magnification | 30× | 30× | 30× | |
Objective lens | 45mm | 45mm | 45mm | |
Field of view | 1°30′ | 1°30′ | 1°30′ | |
Minimum focus | 1.4m | 1.4m | 1.4m | |
Stadia ratio | 100 | 100 | 100 | |
Resolving power | 3″ | 3″ | 3″ | |
Angle measurement | Method | Absolute encoder | ||
Mininum reading | 1″,5″ | |||
Detection method | H:both V:both | H:both V:both | H:both V:both | |
Accuracy | 2″ | 2″ | 2″ | |
Angle Unit | DEG / MIL/ GON | |||
Display Panel | LCD both side | |||
Base and mainbody structure | Separate style | Integration | Separate style | |
Compensator | Tilt Sensors | Yes | ||
Compensating range | ±3′ | |||
Up laser plummet | Wave Length | / | / | 635nm |
Laser Spot Size | / | / | 5mm/100m | |
consistency between laser axle and collimation axle | / | / | ≤5" | |
Laser Range | / | / | ≥200m(day) | |
Down Plummet | Laser Plummet | |||
Plate level | 30″/2mm | |||
Circular level | 8′/2mm | |||
Operating temperature | -20°C-+50°C | |||
Power | Battery | Lion | ||
Voltage | 1400mah,3.7V | |||
Weight | 4.8kg | 4.8kg | 4.8kg | |
Dimension | 200×160×345mm |