| 技术指标： |
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迷你型数字万用表 DT-991L/992L/998L
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1999位即31/2位数字液晶显示，有电池低能量提示符 |
DT-991L |
DT-992L |
DT-998L |
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|
量程 |
分辨率 |
|
直流电压 |
200mV |
0.1mV |
±0.5%±2d |
±0.5%±2d |
±0.5%±2d |
|
2000mV |
1mV |
|
20V |
10mV |
|
200V |
100mV |
|
600V |
1V |
±0.8%±2d |
±0.8%±2d |
±0.8%±2d |
|
交流电压 |
200V |
100mV |
±1.2%±10d |
±1.2%±10d |
±1.2%±10d |
|
600V |
1V |
|
直流电流 |
200uA |
0.1uA |
— |
— |
— |
|
2000uA |
1uA |
±1.0%±2d |
±1.0%±2d |
±1.0%±2d |
|
20mA |
10uA |
|
200mA |
0.1mA |
±1.5%±2d |
±1.5%±2d |
±1.5%±2d |
|
10A |
10mA |
±3.0%±2d |
±3.0%±2d |
±3.0%±2d |
|
电阻（Ω） |
200Ω |
0.1Ω |
±0.8%±3d |
±0.8%±3d |
±0.8%±3d |
|
2000Ω |
1Ω |
±3.0%±2d |
±0.8%±2d |
±0.8%±2d |
|
20kΩ |
10Ω |
|
200kΩ |
0.1kΩ |
|
2000kΩ |
1kΩ |
±1.0%±2d |
±1.0%±2d |
±1.0%±2d |
|
温度 |
-20℃～1370℃ |
1℃ |
— |
— |
0℃～400℃±1.0%±3d
400℃～750℃±2.0% |
|
|
二极管测试 |
有 |
— |
— |
|
|
三极管测试 |
有 |
有 |
有 |
|
短路测试 |
短路蜂鸣测试 |
有 |
有 |
有 |
|
|
测试方波输出 |
— |
有 |
— |
|
|
数据保持功能 |
有 |
有 |
有 |
|
|
背光显示 |
有 |
有 |
有 |
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