Deskripsi
Sokkia DT50 Series Digital Theodolites
The Sokkia DT50 Series Digital Theodolites are high-precision angle measuring instruments designed for surveying, construction, and engineering applications. These theodolites offer advanced features that improve accuracy, efficiency, and ease of use in field operations.
Features
- High-accuracy measurements (5”, 7” and 9” models)
- Ultra-rugged IP66 dust and heavy rain protection
- Compact and lightweight
- Long-lasting Li-ion or AA battery life
- Easy-to-use LCD backlit display(s)
- Precise laser pointer guidance
- Embedded tilt sensor for 5” and 7” models
Specifications
| Model |
DT50 |
DT50L |
| Telescope | ||
| Length |
149 mm |
150 mm |
| Aperture |
45 mm |
|
| Magnification |
30x |
|
| Image |
Erect |
|
| Field of View |
1°30’ (26 m/1,000 m) |
|
| Resolving Power |
2.5” |
|
| Minimum Focus |
0.9 m |
1.0 m |
| Stadia Ratio |
100 |
|
| Stadia Constant |
0 |
|
| Angle Measurement | ||
| Method |
Rotary absolute encoder |
|
| Detecting |
Horizontal: 1 side |
|
| Minimum Reading |
5” Model: 7” Model: 9” Model: |
|
| Accuracy*¹ |
5”, 7”, 9” |
|
| Display | ||
| Unit |
2 sides for 5″ and 7″ model |
|
| Tilt Angle Compensation (5″ and 7″ models) | ||
| Type |
Automatic vertical compensator |
|
| Range of Compensation |
±3’ (±0.0555 gon) |
|
| Compensation Constant |
Can be changed (compensation is done at the same time with vertical angle 0 point) |
|
| Optical Plummet | ||
| Magnification |
3x |
|
| Minimum Focus |
0.5 m |
|
| Sensitivity of Levels | ||
| Circular Level |
10′ / 2 mm |
|
| Plate Level |
30″ / 2 mm |
|
| Power Supply | ||
| Mode |
4 AA dry cells or BDC71 (Optional accessory) |
|
| Operating Time (4 AA Alkaline Batteries) | ||
| Theodolite Only |
~ 250 hours |
|
| Laser Only |
– |
~ 80 hours |
| Compensation Constant |
– |
~ 55 hours |
| Operating Time (BDC71) | ||
| Signal Source |
Red laser diode (633 nm) |
|
| Maximum Output |
0.6 mW |
|
| Laser Class |
Class 2 |
|
| Laser Beam Range |
50 m (in daylight) |
|
| Hardware | ||
| Ingress Protection |
Dust and water resistance IP66 (JIS C 0920 : 2003) |
|
| Operating Temperature Range |
-20 to 50°C (-4 to 122°F)*² |
|
| Storage Temperature Range |
-30 to 60°C (-22 to 140°F) (no condensation) |
|
| Size (with handle) W x D x H |
5” and 7” Models: 173 x 181 x 318 mm |
|
| Weight (with batteries and battery holder) |
5” and 7” Models: 4.1 kg (9.04 lb) |
|
| Datasheet | ||
*1: ISO 17123-3: 2001
*2: No Direct sunlight at temperatures of 50°C (122°F)
Kit Components
- Instrument
- Plumb bob (optional)
- Tool kit
- Lint free lens cloth
- Hard shell carry case
Ulasan
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