Suspension Mining Compass

1.The use of the instrument 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. 2.the essential parameter A:Compass a.The length of magnetic needle 100mm b.The minimum dial division value 1° c.Estimative value 30′ d.Total weight of the instrument and the attachment 0.5KG B:Gradiometer a.Outside diameter 200mm b.The minimum division value 20' c.Weight of the instrument 50g