By injecting a known existing with the outer electrodes and measuring the voltage drop across the internal electrodes, the resistivity from the soil is often calculated. Use voltage and measure voltage and present-day (steps successful resistance by synchronous detection) The Fluke 1630 offers higher measurement accuracy, ensuring reputable and exact https://juliusiuclp.sharebyblog.com/36007716/a-simple-key-for-soil-electrical-resistivity-bd-unveiled