| 使用50mV满量程仪表（0.5%等级）扩大电流量程 | ||
 型号 |
额定电流 | 精度 |
| HS-1-30 | 30 A | 额定电流80%时±0.5%，温度约60°以下 |
| HS-1-50 | 50 A | |
| HS-1-75 | 75 A | |
| HS-1-100 | 100 A | |
| HS-1-150 | 150 A | |
| HS-1-200 | 200 A | |
| HS-1-300 | 300 A | ±0.5 % at 0 A to 200 A |
| ±1.0 % at 200 A to 240 A | ||
| 温度约60°以下 | ||
| 型号 | 额定电流 | E | F | d | D |
| HS-1 | 30A | 20mm | 6mm | M4mm | M5mm |
| HS-1 | 50A | 20mm | 8mm | M4mm | M8mm |
| HS-1 | 75A | 20mm | 8mm | M4mm | M8mm |
| HS-1 | 100A | 20mm | 15mm | M5mm | M8mm |
| HS-1 | 150A | 20mm | 15mm | M5mm | M8mm |
| HS-1 | 200A | 25mm | 15mm | M5mm | M10mm |
| HS-1 | 300A | 25mm | 15mm | M5mm | M10mm |