La bàn đo độ Brunton Com/Pro 90 Model F5007

Description 

Features a patented international suspension that is less sensitive to tilting action caused by the earth’s magnetic pull for use in a wider range of latitudes without rebalancing the needle. Meets U.S. Military waterproofing Spec. 101 b. Improved lift mechanism with high visibility vials, clearly marked needle, true non-magnetic patented composite material. No-shift declination adjustment, long lasting hinges, non-chip plastic exterior. Includes leather case and instruction manual. 2-13/16” x 3-13/16” x 15/16”. Horizontal angles: 0-360° (Azimuth) or 0-90-0° (Quadrant), graduated to 1°. Declination adjustment. Vertical angles: ±90°, vernier reading to 10 minutes, ±100% grade, 5% divisions. Weight: 9 oz. 

Specifications 

Horizontal angles: 0-360° (Azimuth) or 0-90-0° (Quadrant), graduated to 1°. Declination adjustment. Vertical angles: ±90°, vernier reading to 10 minutes, ±100% grade, 5% divisions. Weight: 9 oz.