型号 | 额定一次电流 | 固定一次电流 | 穿心一次电流 | 额定二次电流 | 额定频率 | 准确级及额定输出（VA） | 额定绝缘水平 | 0.1 | 0.5 | HL1 | 15-600 | 15,50 | 100,150,200,
300,600 | 5 | 50 | | 5 | 0.5/3 | HL1A | 15-600 | 15,50 | 100,150,200,
300,600 | 5 | | HL3 | 0.5-50 | 0.5,1,2 5,10,20,50 | | | 10 | HL3A | 0.5-50 | 0.5,1,2 5,10,20,50 | | 10 | | HL23-1 | 0.5-2000 | 0.5,1,2.5,5
10,25,50,100 | 150,200,300,
400,500,600,
700,750,900,
1000,1200,1400,
500,1800, 2000 | | 10 | HL23-3 | 15-1600 | 15,30,50,75 | 150,200,300,
400,600,700,
800,1200,1400,
1600 | | 10 | HL23-5 | 0.25-2000 | 0.25,0.5,1
2.5,5,10
25,50,100 | 150,200,300,
400,500,600,
700,750,900,
1000,1200,1400,
500,1800, 2000 | | 10 | HL24-1 | 10-600 | 10,25,50,100 | 150,200,300,
600 | | 10 | HL24-1A | 10 | | HL24-2 | 10-600 | 10,25,50,100 | 150,200,300,
1000 | | | HL24-2A | 10 | 10 |
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