SUUNTO PM 5/ 360PC Clinometer

These versatile instruments can be used to measure heights of trees, towers, buildings, etc.; to measure slopes for grading or preliminary surveying; and to measure vertical angles for cellular and satellite installations and more. Suunto Clinometers feature two scales in five configurations: Percent and Degrees, Percent and Topographic, Degree and Topographic, 15m and 20m, Percent and Secant. Graduations - Degree: 0-90° in 1° units. Percent: 0 to 70% in 1% units, 72 to 150% in 2% units. Topo: 0 to ± 200' with a 66' baseline. Scale readings can be estimated to 10 minutes or 1/ 5% , when readings are made around the zero level. All Suunto Clinometers feature: Solid aluminum housing with jeweled bearing assembly. Damped scale for smooth accurate readings. Parallax-free lens. 1/ 4' ' x 20 threaded tripod socket. Includes lanyard and black nylon case. Dimensions: 2-3/ 4' ' x 2' ' x 5/ 8' ' . Weight: 4.2 oz. Percent and degree scales. PM5/ 360PC. ± 150% , ± 90° . Cosines to 45° on back; 15m and 20m scales PM5/ 1520. ± 35m @ 15m baseline, ± 50m @ 20m baseline, respectively. 20m scale/ degree conversions on back.