YB-2173 指针式交流毫伏表 YB2173
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YB2172产品特点 采用进口编码开关,手感轻,可靠性高: 采用发光二极管指示量程和状态: 噪声低,输入阻抗高,测量精度高,频率特性好: 单指针毫伏表: 有测量信号监视输出。 YB2173产品特点 采用双指针电表分别指示两路被测信号: 采用进口编码开关,手感轻,可靠性高: 噪声低,输入阻抗高,测量精度高,频率特性好: 两路立电压测量放大电路和量程转换开关: 通过跟踪能方便地观察两个被测信号的差异: 有测量信号监视输出。 YB2174产品特点 新型超高频电压测量仪器: 全部采用集成电路,性能优越: 输入阻抗高,测量精度高,频率特性好: 工作环境适应性强: 探头尺寸小型化,更适合于微型电子设备的检测。 |
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| YB2172 | YB2173 | YB2174 | | 测量电压范围 | 100μV~300V | 30μV~100V | 1mV~10V | 测量电压的频率范围 | 5Hz~2MHz | 10kHz~1000MHz | 刻度值 | 正弦波有效值1V=0dB值;1mW=0dBm的dBm值 | | 电压量程 | 12级 1mV~300V | 12级 300μV~100V | 8级 3mV~10V | 分贝量程 | 12级 -60dB~+50dB | 12级 -70dB~+40dB | | 电压误差 | ≤满刻度的±3%(以1kHz为基准) | ≤满刻度的±3%(以100kHz为基准) | 输入电压 | 300V 1mV~1V量程 | 300V 300μV~1V量程 | | DC+ACp-p | 500V 3V~300V量程 | 50V 3V~100V 量程 | ≥30kΩ(在100kHz时,30mV量程以上) | 输入阻抗 | ≥10MΩ | ≥1MΩ | ≤2.5pF | 输入电容 | ≤50pF | | 输出电压 | 1Vrms±10% | 0.1Vrms±10% | | 输出电压频响 | 10Hz~200kHz≤±3%(以1kHz为基准,无负载) | | 物理 特性 | 电源电压 | AC 200V±10%;50Hz±4% | 外形尺寸 | 140W×270L×210H(mm) | 质量 | 约2.5kg | 约3kg | 约2.5kg | |
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