Description
• Length of Magnetic Needle 100 (mm.)
• Minimum Dial Division Value 1º
• Estimated Value 30’
• Gradiometer FD-200
• Outside diameter 200 mm.
• Minimum division value 20’
• Minimum Dial Division Value 1º
• Estimated Value 30’
• Gradiometer FD-200
• Outside diameter 200 mm.
• Minimum division value 20’
