Đồng hồ ampe kìm Kyoritsu 2031 AC A 20A | ±2%rdg±5dgt [50Hz~1kHz] 200A | ±2%rdg±5dgt [50/60Hz] | ±3%rdg±10dgt [40Hz~1kHz] Conductor Size Ø24mm max. Safety Standard IEC 61010-1 CAT.III 300V Frequency Response 40Hz~1kHz Withstand Voltage 3700V AC for 1 minute Power Source LR-44 (1.5V) × 2 Dimensions 147(L) × 58.5(W) × 26(D)mm Weight 100g approx. Accessories 9090 (Carrying Case) LR-44 × 2 Instruction Manual Optional 8008 (Multi-Tran)