The handheld MOV-1 Megaohm Validator from Electronic Development Labs (EDL) Inc., Danville, VA, lets you make sure that insulation resistance testers are working properly. The device measures resistance from 0–10 Gigohms and features 5 kV max. voltage for all decades with 1% accuracy for all decades, nickel-plated copper terminals, and multi-diameter terminals compatible with most alligator clips. It is suitable for all insulation resistance testers and for AC and DC testing.
Electronic Development Labs (EDL) Inc.