The KEW 3125B’s intuitive interface includes a large back‑lit digital screen and bar-graph readout, enabling quick visualization of insulation resistance trends. Whether you’re tracking how resistance changes during a long test or doing a snapshot measurement, the bar graph gives immediate feedback. This helps in making on-the-spot decisions and improves visibility in dimly lit indust... https://tools.com.bd/product/kew-3125b-high-voltage-insulation-tester