Shilchar Technologies Limited supplies Energy Metre/ Linear Transformer. Shilchar Technologies Limited is an ISO 9001: 2000 recognised company manufacturing a wide range of Core Transformers, EI transformers, Torroidal transformers and power transformers. The Energy Metre/ Linear Transformer uses Ferrite toroidal shape cores and is suitable in Electronic Energy meters of various current capacities. The Energy Metre/ Linear Transformer comes in different ration specifications for class 1 applications.