Đồng hồ ampe kìm Kyoritsu 2033 AC A 40/300A ±1%rdg±4dgt [50/60Hz] (0~40A) | ±2.5%rdg±4dgt [20Hz~1kHz] (0~40A) | ±1.5%rdg±4dgt [50/60Hz] (20~200A) | ±2.5%rdg±4dgt [20Hz~1kHz] (20~200A) | ±3.5%rdg [50/60Hz] (200~300A) | ±4%rdg [20Hz~1kHz] (200~300A) DC A 40/300A | ±1%rdg±4dgt (0~±40A) | ±1.5%rdg±4dgt (±20~±200A) | ±3%rdg (±200~±300A) Conductor Size Ø24mm max. Safety Standard IEC 61010-1CAT.III 300V IEC 61010-2-032 Frequency Response DC, 20Hz~1kHz Withstand Voltage 3700V AC for 1 minute Power Source LR-44 (1.5V) × 2 Dimensions 147(L) × 59(W) × 25(D)mm Weight 100g approx. Accessories 9090 (Carrying Case) LR-44 × 2 Instruction Manual Optional 8008 (Multi-Tran) (AC only)