AlNiCo 5 magnet needle promotes needle dither and increased accuracy .
Azimuth accuracy ± 1/ 2° with 1° graduations
Dimensions: 3.625 " x 2.813 " x 1.313 "
Weight: 12.4 oz.
Vertical accuracy ± 1/ 2° with 1° graduations and 10 minute readability
Vertical angle measurements to ± 90° or 100% grade
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
Composite body material is permanently impregnated with color
O-rings make the Com-Pro waterproof for increased reliability