Brunton Geological Surveyor Mining Magnetic Compass

High Quality Brunton Geological Magnetic Mining Compass Model DQL-8 Made of Aluminum Alloy Crust Material

Main Features

This lightweight and durable transit was designed for the specific tasks required of geologists, surveyors, mining engineers, civil engineers, environmental engineers and foresters. The direct-read compass capsule of this transit features 1 degree resolution and 1/2 degree accuracy. And the dry compass capsule of this quick dampening needle features both a needle-lock to protect the compass assembly during transit and gear driven adjustable declination to allow for simple compensated bearings.

Lightweight, only 240g, compact small and easy to carry

Features include a compass bubble level, clinometer level, sighting mirror with lubber line and sighting hole, induction dampened needle, and adjustable sighting points.

The vertical angle clinometer scale featuring 1 degree increments has a range of 90 degrees or 100% grade scale with an accuracy of 1/2 degree. A percent grade scale features increments of 5%.

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 °