Silva Compass 54 6400 + 6400/360 Military Probably the most resourceful compass in the world for artillery; target acquisition and command posts. The Expedition 54 is a unique compass featuring both an optical precision sighting system and a SILVA 1-2-3 SYSTEM compass in the same unit, giving unbeatable precision and versatility in the field. Bearings can be taken with accuracy to within half a degree. 6400 mils on the graduation ring and 6400 mils and 360 degrees on the sighting scale. With beta light i.e. will give continuous light up to 7,5 years. Features Type of compass: Silva 1-2-3 System combined with a Lensatic precision sighting compass Compass capsule / needle Sighting System: Prismatic precision Magnifying lens: Yes Declination adjustment: No Clinometer: No Illumination / active time after activation in light: Yes 7.5 years Luminous compound Silicon friction feet: Yes Other: Patented red/black N/S lines in capsule Accessories Olive lanyard Specifications Available graduations 6400/360 Resolution degrees / mils Outer ring: 2 / 50 Precision sighting scale: 1 / 20 Measuring scales on base plate 1:25k, 1:50k, 1:40k, mm, inch UTM position plotting scales (Romer scales) 1:25k, 1:50k, 1:40k Settling time from 90 degree angle within +/- 3 deg 4 sec Settling time from 90 degree angle to complete rest 6 sec Accuracy +/- 0,5 degree (8,9 mils) Waterproof IP68 - (10 m) Altitude use 5000m@-15 C Impact resistance 30g in XYZ directions and free fall from 1,5 m height into gravel Temperature operating range -40 to +60 C Material Acrylic Size (mm) 126x60x16 Weight g 39
