The series 4000 digital ohmmeters offer true portability without any sacrifice to accuracy or functionality. These ruggedly constructed instruments are housed in a stylish plastic case with an easy to use keyboard, the measured values are displayed in a large LCD screen. Automatic or manual range selection is available and many advanced measurement features are included, long scale length 4000 count, auto average of forward and reverse current measurement; true zero of measured value and temperature compensation (mode 4001). Rechargeable batteries with automatic power off ensures the best possible battery performance.