- Made of metal construction; Compass with liquid-filled
- To measure direction,obliquity,gradient,upright,horizontal
- Worldwide use professional compass DQY-1 Pocket compass:
- Used in geology perambulation,colliery and other mine exploitation,military training.
Multi-Functional High-Precision Geological Compass DQY-1 Professional Outdoor Sports Compass North Pointer Theodolite
Application:
1. Occurrence: including strike, dip and dip angle
2. Topographic rough survey: including orientation (i.e. intersection point), slope angle measurement and level determination
3. Measure the vertical angle.
Specifications:
Professional compass DQY-1 Pocket compass:
Precision of long air level: 15′ ±3′ /2MM
Precision of circle air level: 30′ ±5′ /2MM
Size: 85x73x35MM
Packing List:
1 * Geological Compass
Main performance:
The damping time of magnetic needle (the time from deflection of magnetic needle 90° to staying in the original position) is 30-60 seconds. Reading error:
A. the degree error indicated by the magnetic needle before and after rotation shall not be greater than 0.5°
B. the error caused by eccentricity of magnetic needle at 0-180° and 90-270° is not greater than 0.5°
C. the reading error of goniometer shall not be greater than 0.5°
