技术参数
200mA/2/20A±1%rdg±2dgt(200mA)(50/60Hz) ±1.5%rdg±4dgt(200mA)(40~2kHz) ±1%rdg±2dgt(2A)(50/60Hz) ±2.5%rdg±5dgt(2A/20A)(40~2kHz)