|
功能 |
量程 |
基本精度 |
||
|
DY5101 |
DY5102 |
DY5103 |
||
|
额定工作电压 |
200/500/1000V |
√ |
|
|
|
500/1000/2500V |
|
√ |
|
|
|
1000/2500/5000V |
|
|
√ |
|
|
绝缘电阻 |
0-2000MΩ |
±(3%＋5) |
|
|
|
0-20GΩ |
|
±(3%＋5) |
|
|
|
0-200GΩ |
|
|
±(3%＋5) |
|
|
相序 |
|
√ |
√ |
√ |
|
交流电压 |
700V |
±(2%＋5) |
±(2%＋5) |
±(2%＋5) |
|
自动量程 |
|
√ |
√ |
√ |
|
背光显示 |
|
√ |
√ |
√ |
|
数据保持 |
|
√ |
√ |
√ |
|
低电阻蜂鸣提示 |
|
√ |
√ |
√ |
|
电池欠压提示 |
|
√ |
√ |
√ |
|
LCD最大显示 |
|
1999 |
1999 |
1999 |