La bàn địa chất chuyên dụng Brunton
– Độ chính xác phương vị: ± 1/2 ° với 1 ° tốt nghiệp
– Chính xác theo chiều dọc: ± 1/2 ° với 1 ° và 10 phút dễ đọc
Specifications for Brunton Professional Compass:
| Azimuth accuracy: | ±1/2° with 1° graduations |
| Vertical accuracy: | within 1/2° with 1° graduations and 10 minute readability |
| Vertical angle measurement range: | to +/- 90° or 100% grade |
| Dimensions: | 3.8″ x 2.8″ x 1.3″ |
| Weight: | 12.8 oz. |
Features of the Brunton Pocket Transit Compass:
- AlNiCo 5 magnet needle promotes needle dither and increased accuracy
- A percent grade scale with increments of 5%
- Induction damped needle for quick, accurate readings
- Sapphire jewel bearing allows for smooth needle movement
- Magnetic declination adjustment allows for east or west declination setting to 180°
- Short and long sights for increased accuracy when sighting azimuth or vertical angles
- Precision aligned mirror with convenient “see through” sighting capability
- Durable aluminum body
- O-rings make the Com-Pro waterproof for increased reliability
- Durable leather carrying case
- Limited lifetime warranty
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