Профессиональный алюминиевый оптический Компас/призматический геометрический компас

Product Overview

Description

 

 

DQY-1J Pocket compass

 

1.Made of metal construction

 

2.Compass with liquid-filled

 

3.To measure direction,obliquity,gradient,upright,horizontal

 

4.Used in geology perambulation,colliery and other mine exploitation,military training.

 

Main specification
Item	Specifications
Damping time of needle	30-60s
Graduation Circle	0°~360°
Dial scale	1°
The reading error	≤ 0.5°
Precision of long air level	15′±5′/2mm
Precision of circle air level	30′±5′/2mm
Color	Black
Material	Aluminium alloy crust
Size	85×73×35(mm)
Weight	0.27kg

 

 Feature

 * Azimuth Dial (0 - 360 degrees)
* Abney Level
* 1 degree graduations
* Vertical angles: +/- 90 degrees with vernier reading to 10 minutes
* +/-100% grade with 5% divisions
* Needle Locking mechanism
* Declination Adjustment
* Includes leather case with belt clip 
* Works in all magnetic zones

*  Jewel bearing

 

 

Remark

 

 We are the factory . The logo will be agree to print. we can supply the neutral packing . This products is hign procesion with  viewfinder. It can be used in many field

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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