| Basic function | The range of |
|
Basic accuracy |
| Model number |
|
UT257A | |
| Leakage current and current (A) | The scope of | 0.0mA～499A | ±(2%+5) |
| 500A～999A | ±(3%+5) | ||
| 1000A～2999A | ±(4%+5) | ||
| Resolution | 0.1mA | ||
| 测试The scope of | AC 0.0mA～3200A | √ | |
| Special function | |||
| Disy mode | 4 - digit LCD digital disy | √ | |
| Mouth size | 108mm×148mm(can clamp φ108mm wire, or 160mm×4mm flat steel ground wire) | √ | |
| 自动The range of |
|
√ | |
| RS-232 Data Transmission |
|
√ | |
| Data storage |
|
Group 99 | |
| LCD backlight |
|
√ | |
| The number holds |
|
√ | |
| 过The range of显示 | OL | √ | |
| Automatic shutdown | Five minutes | √ | |
| Low voltage disy | ≤5.2V | √ | |
| Test mode | Forceps CT, integral mode | √ | |
| General characteristics | |||
| Power supply | 6V DC LR6×4 alkaline dry batteries | ||
| LCD size | 47mm×28.5mm | ||
| Fuselage color | Red gray | ||
| Fuselage weight | 1.5kg(including battery) | ||
| Fuselage size | Length 350mm× width 180mm× thickness 55mm | ||
| Standard parts | Battery,RS232 data cable, software CD, Toolbox | ||
| Standard packing | Color box, instruction manual, warranty card, tool kit | ||
| Standard packing数量 | Six | ||
| Standard packing尺寸 | 610 X375X320mm | ||
| Standard packing箱毛重 | 35Kg | ||
