Kusam Meco CA 3000D - 3000 A AC TRMS Reading Flexible Current Probe with Display – This 18-inch flexible sensor fits easily around the conductor and has up to 5.8-inch diameter. Kusam Meco probe possesses an 8.5 mm coil diameter that allows easy measurement even in congested spaces. This flexible current probe has a flashing LED low battery indicator. A red LED indicates a low battery, and the power is characterised by a green LED. The dual banana plug system is for direct input in DMM.