The AC Current Probe Model C177A features a measurement range of 5mA to 200A, with a transformation ratio of 10,000:1. Its maximum clamping diameter is 2.05" (52mm). The probe includes a 6.5' (2m) lead with proprietary CA connector. The Model C177A is designed for use with Multi-Function Installation Testers Models C.A 6116/6116N, and C.A 6117.
