Fluke TPS CLAMP 10 A / 1 A Clip-on Current TransformerFluke TPS CLAMP 10 A 1 A Clip on Current Transformer General Specifications Measuring Range selectable per software 0. 01 A to 1 A 0. 1 A to 10 A Peak current for sinusoidal currents 3. 7 A 37 A Intrinsic error 0. 5% Frequency Range 40 Hz to 10 kHz Operating Voltage 300 V CAT IV Phase Error 0. 5 Jaw Opening < 15 mm diameter or 15 x 17 mm bus bars Errors in % of measuring range at 23 C 2 K; 74 F 2 K, for 48 to 65 Hz Phase angle error at nominal current