Suunto® Tandem Global Compass/Clinometer
Slope and height measurements and compass bearings in one instrument
Suunto Tandem Global Compass/Clinometer
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°). The compass is balanced for global use and is graduated in 1/2° increments, and the clinometer is graduated in 1°/1% increments. Both compass and clinometer are individually calibrated. Engraved inch scale and cotangent and cosine tables to 45 on the back. Threaded tripod socket. Includes case and lanyard.
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Great product, and if one needs precision field measurement short of surveying, this is great. BUT - a couple of caveats. 1. Product information: I purchased this Suunto combo due to the declination adjust. The product descriptions add little else about it. The "Documens" section does not have a User Guide. 2. Suunto is the leading precision manufacturer. But they've made some minor quality changes to save a dollar or two [on a $200-dollar precision instrument!!]. 1rst- no brass ring to hold the lanyard. 2nd - Second, I HATE the VERY SMALL plastic tool for declin adjust - it can only be clipped onto the lanyard by friction, and will certainly be lost. 3rd - Suunto's Website has NO detailed User Manual.
I was not given this as a gift; I had purchased it. When I first discovered uses for it I tried using it for other things.when camping I mark trees and use it to remember the way back so I dont get lost; when doing survivalist training I use the compass to mark where my caches are at.