hey Thomas

1 mV/10 mA (100 mV = 1 A) -- use this for testing currents up to 20A. 1 mV/100 mA (10 mV = 1 A) -- use this for testing current up to 60A

that is PP264 the pico current clamp. that is what I have and am using, the current clamp does not say 20A,... Login to read more.