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数字钳表P182是一种性能稳定,安全、可靠的3?位数字钳形表(以下简称钳表)系列。整机电路设计以大规模集成电路双积分A/D转换器为核心,全量程的过载保护电路,独特的外观设计使之成为性能优越的专用电工仪表。钳表可用于测量交直流电压、交流电流、电阻、二极管电路通断等。
交流电压(AC voltage) |
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量程(Range) |
分辨率(resolution) |
准确度(Accuracy) |
过载保护(Overload protection) |
|
2V |
1mV |
±(1.2%+5) |
600V rms |
|
20V |
10mV |
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200V |
0.1V |
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600V |
1V |
±(1.5%+5) |
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直流电压 |
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量程(Range) |
分辨率(resolution) |
准确度(Accuracy) |
过载保护(Overload protection) |
|
200mV |
0.1mV |
±(0.8%+5) |
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2V |
1mV |
±(0.8%+5) |
600V rms |
|
20V |
10mV |
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200V |
0.1V |
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600V |
1V |
±(1.0%+5) |
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电阻 |
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量程(Range) |
分辨率(resolution) |
准确度(Accuracy) |
过载保护(Overload protection) |
|
200Ω |
100mΩ |
±(1.2%+5) |
600Vp |
|
2KΩ |
1Ω |
±(1%+3) |
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20KΩ |
10Ω |
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200KΩ |
100Ω |
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2MΩ |
1KΩ |
±(1.2%+5) |
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20MΩ |
10KΩ |
±(1.5%+5) |
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导通测试 |
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量程(Range) |
分辨率(resolution) |
准确度(Accuracy) |
过载保护(Overload protection) |
|
100mΩ |
约≤30Ω时蜂鸣器会响(开路电压约0.45V) |
400A rms |
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二极管测试 |
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量程(Range) |
分辨率(resolution) |
准确度(Accuracy) |
过载保护(Overload protection) |
|
1mV |
显示正向压降近似值 (开路电压约1.48V) |
600Vp |
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交流电流 |
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量程(Range) |
分辨率(resolution) |
准确度(Accuracy) |
频率响应 (Frequency response) |
过载保护 (Overload protection) |
2A |
1mA |
±(4%+20)≤0.4A |
50Hz~60Hz |
400A rms |
±(3%+15) |
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20A |
10mA |
±(3%+15)≤4A |
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±(2%+10) |
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200A |
0.1A |
±(2%+5) |
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400A |
1A |