General information about Dual Borehole Geophysical Survey Downhole Imaging Camera Waterwell Inspection Camera System AD-W2067REC Dual Borehole Geophysical Survey Televiewer Logging Downhole Down-hole Imaging Camera Waterwell Inspection Camera System The Features: Ø75mm 4-picture CCD dual camera head, 850TVL, 3 side view cameras on side face, one down view panoramic camera on bottom. Ø53mm CCD panoramic […]