Clinometer
Suunto Tandem clinometer and compass in one, all you need for both slope/height measurements and compass bearings. It features a durable aluminium casing to protect against impact, corrosion and water, adjustable optics for improved reading accuracy, and edges at 90 degree angles for contact measuring.
Suunto optical reading clinometer PM-5/360PCT – features sturdy, corrosion-resistant aluminium casing, scale cards run on special bearings in hermetically sealed plastic containers filled with a non-freezingliquid which guarantees that they run freely and stop quickly.