• Resistance Range: 0.1 Ω to 20 MΩ • Precision Lab Grade Accuracy 70 ppm + 1 mΩ • Resolution: 1 μΩ ( 0.000 001 Ω) or 6 digits • To further improve accuracy to <20 ppm, for no additional cost, see the PRS-DMM • Programmable resistor with USB interface and Labview drivers • 5 year warranty