Arun enterprises supplies a digital insulation tester, model metravi di 6200. This is a compact, portable instrument. It has large digital display with easy and correct read out. Lcd display is of 31/2 digit 1999 counts and is battery operated and has easy portability. The lsi circuit in the instrument gives high reliability and durability. The tester is used to measure insulation resistance ranging from 0-200 mw at 500 v and 0-1000 mw at 1000 v dc. This tester features multi megaohm range with 0-200mo at 500 v dc, and 0-1000 mo at 1000 v dc. Lcd display enables clear read-out even at bright place, lsi circuit gives high reliability and durability, built-in over-input and low battery indication, overload protection for each range, automatic zero adjust, etc.