Đồng hồ đo điện trở cách điện Kyoritsu 3125 Range Insulation resistance Voltage measurement 500V 1000V 2500V 5000V AC/DC V Measuring range 0.0~99.9MΩ 100~999MΩ 0.0~99.9MΩ 100~999MΩ 1.00~1.99GΩ 0.0~99.9MΩ 100~999MΩ 1.00~9.99GΩ 10.0~99.9GΩ 0.0~99.9MΩ 100~999MΩ 1.00~9.99GΩ 10.0~99.9GΩ 100~1000GΩ (1TΩ) 30~600V AC/DC [50/60Hz] Accuracy | ±5%rdg | ±3dgt | ±5%rdg | ±3dgt | ±5%rdg | ±3dgt | ±5%rdg | ±3dgt | ±20%(100GΩ or more) | ±2%rdg | ±3dgt Short Circuit Current 1.3mA approx. ------- Rated test Current 1mA to 1.2mA at 0.5MΩ load 1mA to 1.2mA at 1MΩ load 1mA to 1.2mA at 2.5MΩ load 1mA to 1.2mA at 5MΩ load ------- Open circuit voltage 500VDC +30% -0% 1000VDC +20% -0% 2500VDC +20% -0% 5000VDC +20% -0% ------- Maximum display 999 Counts (1000 counts only at 1000GΩ) 630 Counts Current consumption About 1000mA (During measurement) 110mA approx. Withstand Voltage Safety standard 5320V AC for 5 seconds IEC 61010-1 CAT.III 600V, pollution Degree 2 Power supply DC12V : R14×8 Dimensions 205(L) × 152(W) × 94(D)mm Weight 1.8kg approx. Accessories 7165A (Line probe) 7224A (Earth cord) 7225A (Guard cord) 8019 (Hook type prod) 9124 (Carrying case [Hard]) LR14×8pcs (Alkaline battery size) Instruction Manual Optional 7168A (Line probe with alligator clip) 7253 (Longer Line probe with alligator clip) 8302 (Adaptor for recorder)