Công ty cổ phần Chân Châu
Văn Phòng Giao dịch: Tầng 5, 45 Nguyễn Trãi, Thanh Xuân, Hà Nội, Việt Nam
Điện thoại : (+84-24) 3563.6981,
Website: www.chanchau.com * Email: chanchau@fpt.vn; chanchau.inc@gmail.com
To measure direction, obliquity, gradient, upright, milemeter, horizontal. Used in geology perambulation, colliery and other mine exploitation military training.
Pocket Compass Model DQY-1
Precision long air level 15'±3'/2mm
precision of circle air level 30'±5'/2mm
The reading error ≤0.5°
Dial scale 1°
Weight 0.26kg
Size 85×73×35(mm)