| 出生地 |
Heilongjiang China (Mainland) |
| 牌子的名字 |
Harbin |
| 模式的数量 |
DQL-8 |
DQL-8 Pocket Compass The Pocket Compass Model DQL-8 is a necessary measuring instrument for geology survey ,colliery,other mine exploitation and military training..It can measure direction, obliquity, gradient, upright, milemeter, horizontal etc. Main specification Item specification Damping time of needle <15s Graduation circle 0° 360° Dial scale 1° Precision of long air level 20' ± 5'/2mm Precision of circle air level 30' ± 5'/2mm Reading error ≤0.5° Color Black Material Aluminium alloy crust Size 80×70×35mm Weight 0.24kg