Product Description : The Tandem combines a liquid damped precision compass and clinometer in one compact, rugged aluminum housing that protects against impact, corrosion, and water. Clinometer scale is graduated in percent and degree (0-90°, 0-150%); compass scale is in azimuth (0-360°) with the option of declination adjustment (20° East and West). The compass is graduated in 1/2° increments, and the clinometer is graduated in 1°/1% increments. Both the compass and clinometer are individually calibrated. Engraved inch scale and cotangent and cosine tables to 45 on the back. Threaded tripod socket. Includes carrying case and lanyard. Not for use in North America. Balanced for the following Countries: Antartica, Australia, New Zealand and South Pole Continent.
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