China 3D Borehole Seismic Geophones for Down Hole / Crosshole Seismic Survey 3c Downhole Geophone Wall-Lock Borehole Geophone, Find details about China 3D Borehole Seismic Geophones, Seismic Geophone from 3D Borehole Seismic Geophones for Down Hole / Crosshole Seismic Survey 3c Downhole Geophone Wall-Lock Borehole Geophone
Model | GDJ-DJ | GDJ-JG | GDJ-JF |
Electromagnetic borehole geophone series | Piston type borehole geohphone series | Non-adjacent borehole geohphone series | |
Frequency (Hz) | 4HZ-100HZ optional | 4HZ-100HZ optional | 4HZ-100HZ optional |
Working Mini Diameter (mm) | Φ70-φ120 | Φ50-φ110 | |
Working Temperature | 25~55 | 25~55 | 25~55 |
Diameter(mm) | φ55 | φ50 | φ45 |
Height (mm) | 465 | 500 | 300 |
Weight (kg) | 60m-10kg, 120m-14kg | 60m-12kg,120m-17kg | 60m-60kg,120m-10kg |