0.000 – 9.999 W 0.001 W ±1% ± 0.02 W ±2% of VA ± 5dgts 10.00 – 99.99 W 0.01 W ±1% ± 0.2 W ±2% of VA ± 5dgts 100.0 – 999.9 W 0.1 W ±1% ± 0.2 W ±2% of VA ± 5dgts 1.000 – 9.999 KW 0.001 KW ±1% ± 0.02 KW ±2% of VA ± 5dgts 10.00 – 99.99 KW 0.01 KW ±1% ± 0.2 KW ±2% of VA ± 5dgts 100.0 – 999.9 KW 0.1 KW ±1% ± 0.2 KW ±2% of VA ± 5dgts 1000 – 9999 KW 1 KW ±1% ± 2 KW ±2% of VA ± 5dgts
交流電流 AC Current (50 or 60 Hz, True RMS) 范圍 (Model 19,21)