Mehru electrical and mechanical engineering [p] limited is offering precision grade current transformer/potential transformer test benches. The company is into the manufacturing of precision optical instruments for agricultural universities and industries. Precision grade current transformers are available in portable model in wooden boxes, fitted with designed terminals for easy use. The precision grade current transformer with accuracy class up to 0.1 can also be found. Precision grade potential transformers are provided with oil cooled model up to 300kv voltage class.