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The International design effectively reduces needle " dip" when professionals travel to different hemispheres of the globe. Powerful Alnico V magnets are mounted to a polished, cupped sapphire jewel bearing, allowing for smooth needle movement.
Features of both International Pocket Transits:
• Long Alnico V magnets for quick magnetic north needle alignment
• Needle has a lower center of gravity allowing for use in a wider range of countries
• Azimuth accuracy ± 1/ 2° with 1° graduations
• 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
• Durable aluminum body
• Ball & socket tripod mount for increased accuracy
• Sealed with O-rings and and silicon for waterproofing and increased readability
• Durable leather carrying case
Specifications
Magnetism
Alnico V Bar Magnet
Accuracy
Bearing: + / - 1/ 2° accurate
Inclination: + / - 1° accurate ( 30 minute readable)
Size
Width: 2.79 in ( 7.09 cm)
Length: 3.09 in ( 7.84 cm)
Height: 1.31 in ( 3.34 cm)
Weight
7.1 oz ( 20.1 g)
