Expedition 4 Military Compass

The Silva Expedition 4 Military is a classic "full-size" base plate compass for experienced navigators. This one measures in mils.

Used by different defense forces around the world. 1:25k, 1:50k, 1:63.36k, mm and inch map measuring scales. Luminous points for navigation in the dark.

This compass is measured in mils.

• Silva 1-2-3 System baseplate compass
• Compass capsule / needle
• Magnifying lens - Yes
• Declination adjustment: Decl scale in capsule
• Active time after activation in light: 4 hours (luminous compound - Tritium compound 80 mCi)
• Silicon friction feet
• Patented red/black N/S lines in capsule
• Available graduations: 6400/360 (360 inside the capsule), 6300, 360
• Resolution degrees/mils: 2 / 50
• Measuring scales on base plate in mm, inch
• UTM position plotting scales (Romer scales): 1:25k, 1:50k, 1:40k
• Settling time from 90 degree angle within +/- 3 deg: 2.7 sec
• Settling time from 90 degree angle to complete rest: 5 sec
• Accuracy: +/- 1 degree (17.8 mils)
• Waterproof: IP68 - (more than 100 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): 126 x 60 x 10
• Weight: 36g