Specification:
Survey compass will be a close structure, high precision and stable property.
It a small size, light weight and east to carry.
Instrument main parts short aligner, cover, mirror, hinge, button for needle, indicator, azimuth dial, needle, case, long aligner, dial, long air level, circular air level etc.
Damping time of needle: < 15s.
Dial of scale: 1°.
Size: Min. 80x70x35mm.
Precision of long air level: 15° ±3°/2mm.
Precision of circle air level: 30° ±5°/2mm.
Weight: Max. 0.24 kg.
