EFO is a Australian distributor of high quality Digital Multi function Clamp Meters from Appa and SEW. We supply Digital Clamp Meters for Utility, Industrial, Commercial and Domestic Applications. Our Range of clamp meters are available in CAT III and CAT IV with both AC and DC Functions. Our Clamp meters all come with Calibration Certificates. Furthermore we select with best quality and value products. Consequently Saving you time on confusing options.