Material Tester for Non-Ferrous Metals Large measuring range up to 112% IACS or 65 MS/m with lift-off and temperature compensation, memory, PC-compatible software, 60 kHz operating frequency s a portable handheld non-destructive. Automatic temperature compensation (ATC) Lift-off compensation up to 500 μm. Automatic calibration. Adjustable backlighting. Internal rechargeable battery. Portable, handheld. Samples of Titanium 1.03% IACS, Bronze 8.11% IACS, and Copper 100% IACS.