SILVA 3S is a base plate compass for all-round use i.e. for military and outdoor activities. The easy to grip aluminum compass housing features a stable, easy to read needle.
Patented red/black north-south lines in the capsule bottom ensure easy and safe settling. The baseplate with curved up back end has a magnifying lens for precision map work together with stencil holes for star and control markings in the front. The scale slide at the tip of the compass is detachable. The included scale lanyard makes it easier to quickly make a distance judgement of your route or to plan your route in advance.
Specifications
| Accuracy |
± 1° (17.8 mils) |
|---|---|
| Altitude use |
5000m @-15 °C |
| Clinometer |
No |
| Declination adjustment |
Declination scale inside capsule, No |
| Detachable scale slide |
Yes |
| Graduation |
6400° / 360° |
| Impact resistance |
30g in XYZ directions and free fall from 1.5 m height into gravel |
| Illumination |
4 hours after activation in light |
| Magnifying lens |
Yes |
| Material |
Acrylic, Aluminium |
| Patented red/black N/S lines in capsule |
Yes |
| Resolution degrees / mils |
2 / 50 |
| Scales |
Lanyard; 1:25, / 1:50, Scale slide: 1:15k, mm / Baseplate: 1:25k, 1:50k |
| Settling time from 90° angle within ± 3° |
2.7 sec |
| Settling time from 90° angle to complete rest |
5 sec |
| Size |
115x60x10 mm |
| Silicon friction feet |
No |
| Sighting System |
No |
| Temperature operating range |
-30 to +60 C |
| Type of compass |
SILVA 1-2-3, baseplate |
| UTM position plotting scales (Romer scales) |
No |
| Variant |
Magnetic North |
| Water resistance |
Waterproof |
| Weight |
36g |