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The SILVA 55-6400/360 military compass is probably the most resourceful compass in the world for artillery; target acquisition and command posts.
This compass features both an optical precision sighting system and the SILVA 1-2-3 system in the same unit, giving unbeatable precision and versatility in the field. Bearings can be taken with accuracy to within half a degree.
The compass has a luminous graduation ring and markings for compass reading in the dark. Once activated by daylight/flashlight it will give light up to 4 hours of light. 6400 mils on the graduation ring and 6400 mils + 360 degrees on the sighting scale.
- Type: SILVA 1-2-3 System, baseplate compass
- Lensatic precision sighting system
- Liquid filled capsule
- Sapphire jewel bearing
- High quality steel needle
- Hardened steel pivot
- Magnifying lens: Yes
- Declination adjustment: No
- Clinometer: No
- Luminous markings: Yes
- Luminous graduation ring: Yes
- Illumination / active time after activation in light: 4 hours
- Silicon friction feet: Yes
- Patented red/black N/S lines in capsule
- GPS scales
- Scale lanyard (1:25, 1:50)
- Slope card
- Southern hemisphere (MS) model
Technical Specifications:
Graduation Outer ring: 6400
Sighting scale: 6400/360
Resolution degrees / mils Outer ring: - / 50
Precision sighting scale: 1 / 20
Measuring scales Base plate: 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)
Water resistance: Waterproof
Altitude use: 5000m@-15 C
Impact resistance: 30g in X YZ directions and free fall from 1.5 m height into gravel
Temperature operating range: -30 to +60 C
Material: Acrylic
Size (mm): 126 x 60 x 16
Weight: 39 grams