Expedition 4 Compass

The "full-sized" base plate compass for experienced navigators – used by NATO Forces around the world. Mainly used by the infantry as a soldier's or officer's compass. Additional features include measuring scales for positioning (GPS) graduated in mils and degrees (6400/360) magnifying glass and rubber feet for precision map work. Luminous compound that need to be activated by daylight/flashlight etc. Will give light up to 4 hours.

Accuracy›± 1° (17.8 mils)

Altitude use›5000m @-15 °C

Clinometer›No Declination adjustment›

Declination scale inside capsule Graduation›6400° / 360° (360° inside the capsule) 6300° 360°

Illumination›4 hours after activation in light

Impact resistance›30g in XYZ directions and free fall from 1.5 m height into gravel

Luminous compound›Tritium compound 80 mCi

Magnifying lens›Yes

Material›Acrylic

Patented red/black N/S lines in capsule›Yes

Resolution degrees / mils›2 / 50

Scales›mm inch

Settling time from 90° angle to complete rest›5 sec

Settling time from 90° angle within ± 3°›2.7 sec

Sighting System›No

Silicon friction feet›Yes Size›126 x 60 x 10 mm

Temperature operating range›-40 to +60 °C

Type of compass›Silva 1-2-3 System baseplate compass

UTM position plotting scales (Romer scales)›1:25k 1:40k 1:50k

Water resistance›IP68 - (more than 100 m)

Weight›36g