The Silva Ranger 3-6400/360 military compass features graduations in Mils*, a DryFlex grip for easy handling and comes with a use-anywhere declination scale inside the capsule, a magnifying lens, and base plate map-measuring in mm and scales of 1:50,000 and 1:25,000. A go-anywhere tool for serious compass users.
- Magnifying lens
- Illumination – 6 hours
- Scales: 1:25 000 and 1:50 000
- Luminous compound: Everglow
- Graduation: 6400 military mils and 360 degrees
- Declination adjustment: Declination scale in capsule
- Silva 1-2-3 system baseplate compass
Silva Ranger 3 military compass specifications:
- Available graduations: 6400/360
- Resolution degrees/mils: 2 / 50
- Measuring scales on base plate: 1:25k, 1:50k, mm
- UTM position plotting scales (Romer scales): No
- Settling time from 90 degree angle within +/- 3 deg: 2.7 seconds
- Settling time from 90 degree angle to complete rest: 5 seconds
- Accuracy: +/- 1 degree (17.5 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 oC
- Material: Acrylic
- Size (mm): 106x54x10
* Mils compasses
A milliradian (mil) is an SI derived unit for angular measurement which is defined as a thousandth of a radian (0.001 radian).
Compasses graduated in Milliradians are generally used where very small angles are necessary for very accurate calculation of proportions, size and distance of a target which is required by the military for rifle and short distance artillery purposes for example.
A military compass is generally not suited for standard navigation for hikers, orienteers etc.