The Megger DLRO10HD is among the most popular products in our ohmmeter range, with a wealth of capability packaged in a strong and durable case - suited to on-site use. The Megger Sverker 900 Relay and Substation Test System is a comprehensive toolbox solution for substation three-phase testing. The Megger INGVAR is a powerful test system designed for primary injection testing of protective relay equipment and circuit breakers.