Calibration and Test Box for Normal Resistivities, SP, and Induced Polarization Search for: Search “102 mm (4 inch) Centralizer Blade” 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 17-202-295, Atom Series Centralizer Collar Set $141.00 Add to cart 127 mm (5 inch) Centralizer Blade $59.80 Add to cart 02000-1454, Inner Cone for single conductor cablehead $20.15 Add to cart 17-202-054, Disposable, molded PVC centralizer for 40 mm diameter probe, 95mm (3.7″) diameter boreholes $80.00 Add to cart