檔位分辨率準(zhǔn)確性 0.025~0.250W0.002W±1.5%±0.02W 0.250~1.000W0.02W±1.5%±0.02W 1.001~9.999W0.02W±1.5%±0.1W 10.00~50.00W0.04W±1.5%±0.1W 50.01~99.99W0.04W±1.5%±0.5W 100.0~200.0W0.4W±3.0%±1.0W 200.1~400.0W2W±5.0%±5.0W 400.1~600.0W5W±10%±10W 600.1~1500W20W±20%