- Length of needle 100mm
- Dial scale 1°
- Estimative value 30’
- Outside diameter 200mm
- Minimum division value 20'
Model DQL 100-G1 is combined with suspension compass and gradiometer. Used as the auxiliary survey machine for mining. It's mainly used in suring of the minor lane of mining and stope's magnetic azimuth surveying of the declination of polyon legs