数字钳表P182是一种性能稳定,安全、可靠的3½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。
产品规格
交流电压(AC voltage) | ||||
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 | |||
200V | 0.1V | |||
600V | 1V | ±(1.5%+5) | ||
直流电压 | ||||
量程(Range) | 分辨率(resolution) | 准确度(Accuracy) | 过载保护(Overload protection) | |
200mV | 0.1mV | ±(0.8%+5) | ||
2V | 1mV | ±(0.8%+5) | 600V rms | |
20V | 10mV | |||
200V | 0.1V | |||
600V | 1V | ±(1.0%+5) | ||
电阻 | ||||
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) | ||
20KΩ | 10Ω | |||
200KΩ | 100Ω | |||
2MΩ | 1KΩ | ±(1.2%+5) | ||
20MΩ | 10KΩ | ±(1.5%+5) | ||
导通测试 | ||||
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 | ||
二极管测试 | ||||
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 | ||
交流电流 | ||||
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) | ||||
20A | 10mA | ±(3%+15)≤4A | ||
±(2%+10) | ||||
200A | 0.1A | ±(2%+5) | ||
400A | 1A |