| G | | | | | | | 说明Explanation |
| 开孔 尺寸 | 1 | | | | | | 48*48*105mm 开孔尺寸:45.5*45.5*93mm |
| 6 | | | | | | 96*48*72.5mm 开孔尺寸:91*44*65mm |
| 7 | | | | | | 72*72*81mm 开孔尺寸66.5*66.5*72mm |
| 8 | | | | | | 48*96*72.5mm 开孔尺寸:44*91*65mm |
| 9 | | | | | | 96*96*73mm 开孔尺寸:91*91*63mm |
| 16 | | | | | | 160*80*69mm 开孔尺寸:149*75mm |
| 系列号 | 2506A | | | | | 交流电流表 |
| 2506B | | | | | 交流电压表 |
| 输入 | I | | | | 4-20mA(0-20mA,50mA,100mA,200mA,500mA) |
| V | | | | 0-10V |
| A | | | | Built-0-5A |
| C | | | | 0-500V |
| 报警1 | A1 | | | 第一路报警 |
| 0 | | | 无A1报警 |
| 报警2 | A2 | | 二路报警 |
| 0 | | 无A2报警 |
| 仪表电源 | 0 | 220V50Hz允许电压变动范围160V~320V |
| B1 | 110V50Hz允许电压变动范围85V-160V |
| B3 | 24V(AC/DC) :20-28V |