DE2A High Quality Theodolites Surveying Instrument Electronic Digital Theodolite/ Electronic Theodolite/ Digital Theodolite

Features:

1. Theodolites 2" Angular accuracy: accurate enough for any construction job

2. Dual lcd

3. Telescope reticle

4. 10 keys totally

5. Compact and light weight build

Specifications of Surveying Instrument Theodolite:

Angle Measurement of Theodolites:

1. Accuracy: 2" (0.6 mgon)

2. Rreading system: absolute encoder

3. Units: deg / mil / gon / v%

4. Minimum increment: (degree, gon) 

5. 2" models 1.0" (0.2 mgon)

6. Circle diameter: 74mm (2.9 in)

Telescope of Theodolite:

1. Tube length: 120.4mm (4.7 in)  

2. Image: erect  

3. Magnification: 30x  

4. Field of view: 1°30'  

5. Resolving power: 15 set  

6. Effective diameter of objective: 47mm (1.85 in)  

7. Minimum focusing distance: 1.5m (4.9ft)  

8. laser pointer (with optional red/green laser): coaxial red /green light  

9. Reticle type: crosshair  

10. Stadia ratio / constant: 100 / 0

Tilt sensor of Theodolites:

1. Ttype: single-axis (vertical compensation)  

2. Method: liquid-electric detection  

3. Compensation range: ±3' range  

4. Resolving power: 6"

Power of the Theodolites:

1. hot swappable ni-h battery: bdc 1600mah (about 10 hours)

2. Output voltage: 6v

General specifications of Theodolites:

1. Sensitivity of circular level vial on tribrach: 10'/ 2mm  

2. Tubular: 30"/ 2mm  

3. Circular: 8'/ 2mm  

4. Tangent clamps: yes  

5. Internal plummet: class 2 laser (1.5mm@1.5m)  

6. Dimensions: 7.0 in x 6.5 in x 13.9 in (180mm x 166mm x 355mm)