True RMS Trivector Meter ensures that data and setting is retained up to 10 years under power failure. The Trivector Meter is designed in such a way that communication with eLAN energy management system through optically isolated RS 485 serial port. The Trivector Meter is based on true RMS and ensures quick and ease of installation. True RMS Trivector Meter is made of quality grade raw material which ensures optimum durability along with long lasting trouble free service.