Harbin Pocket compass geological compass aluminium compass pocket transit mirror compass megnetic compass DQL 2A high quality

Product Overview

Description

 

Model DQL-2A is mainly used in:

Survey status:Include strike,dip shift and dip angle.

Survey the topography diagrammatically,fits azimuth(1.e.junction point).Survey the slop angle and determined the horizontal plane.

Survey the vertical degree.

Making topographical map.

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Main specification
Item	specifications
Damping time of magnetic needle	30-60s
Graduation circle	0~360°
Dial division value	1°
The angle value of circle level	30′±5′/2mm(20°C)
Color	Sliver
Material	Aluminium alloy crust
Size	77.5×66×20mm
Weight	0.2kg

 

1)Damping function enable a quick reading

2) Highest magnetic strength permanent magnet

3)Less erro (< 0.5degree), High accuracy

4)magnetic declination adjusting knob & Needle lock button

5)Made by German DMG 5-axis machining center

6)100% inspection, 200 QC items for each compass

7)Anti-rust and anti-corrosion surface