Calibration and Test Box for Normal Resistivities, SP, and Induced Polarization Search for: Search “17-202-053, Disposable, molded PVC centralizer for 40 mm diameter probe, 52mm (2.0″) diameter boreholes” has been added to your cart. View cart $790.00 Calibration and Test Box for Normal Resistivities, SP, and Induced Polarization quantity Add to cart SKU: 17-202-096 Categories: All Products, Logging Accessories Description Additional information Description 17-202-096 Calibration and Test Box for Normal Resistivities, SP, and Induced Polarization Additional information Weight 8 lbs Related products 17-202-290, 102 mm (4 inch) Atom Centralizer Blade $26.00 Add to cart 17-202-293, 203 mm (8 inch) Atom Centralizer Blade $51.00 Add to cart 02000-1628, Seating Tool, 3/16 to 1/4 inch Rehead $52.70 Add to cart 02000-1454, Inner Cone for single conductor cablehead $20.15 Add to cart