Three Component Borehole Geophone

Three Component Borehole Geophone
Three Component Borehole Geophone
Three Component Borehole Geophone
Specification

CDJ-DJ CDJ-JG CDJ-JF
Electromagnetic borehole geophone Piston borehole geophone Unattached borehole geophone
Frequency (Hz) 4HZ-100HZoptional 4HZ-100HZoptional 1HZ-100HZoptional
Minimum appropriate borehole diameter (mm) φ70-φ120 φ50-φ110
Operating temperature (℃) 25~55 25~55 25~55
Size Diameter (mm) φ55 φ50 φ45
Height (mm) 465 500 300
Weight (kg) 60m10kg, 120m14kg 60m12kg, 120m17kg 60m60kg, 120m10kg
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