Perfect Sales Corporation manufactures Oil Cooled Combined Metering Unit. Perfect Sales Corporation is an ISO 9001: 2000 certified company offering a wide range of electrical instrument transformers like Current Transformers, Potential Transformers, CT-PT Combined Units and Metering Cubicle. The Oil Cooled Combined Metering Unit is a combined unit of current and potential transformers and is available in two and three phase versions. The Oil Cooled Combined Metering Unit is suitable for both indoor and outdoor applications.