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)