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SolutionGeological Exploration and Regional Survey Forestry Survey and Ecological Monitoring Mining Operations and Engineering Infrastructure Forest Fire Prevention and Individual Soldier Protection Earthquake Disasters and Emergency Rescue Military and National Defense Mapping Education and Research Support Farmland Planning and Water Resources Survey Culture and Tourism as the City’s Brand Archaeological Research and Cultural Heritage
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PRODUCTS CENTER
Nauru DQY-1 Pro Geological Compass
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Product Description
1 , magnetic needle damping time (magnetic needle deflection 90 (the time spent remaining in the original position) is 30-60 Seconds.
2 , Reading error: a. The angular error between the readings before and after the magnetic needle rotates shall not exceed 0.5 °;
b. The magnetic needle is in 0 degree -180 °, 90 degree -270 The error caused by eccentricity at ° shall not exceed 0.5 °;
c. The reading error of the protractor shall not exceed 0.5 °.
3 , Level vial sensitivity: a. Long spirit level :15 ′± 3 ′ /2mm
b. Bubble level :30 ′± 5 ′ /2mm
4 1. Instrument external dimensions (length × width × height): 73 times 73 times 33.4 （ mm )
5 , Instrument weight: 0.25kg
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