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用光电光度法测定室内空气中甲醛的浓度,甲醛气体通过检测单元时,检测单元中浸有发色剂的纸因化学反应其颜色由白色变成黄色。

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可编程交直流仿真电源,AC:200V,0~310V/15A,DC:200V,-440~440V/15A,大3KVA

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压力校准器 0 至 1500 PSI,(0 mbar 至 103.4 bar,0 至 10342 kPa)

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主要测量:自动捕捉和记录电压、电流、功率、谐波和相关电能质量值。

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压力校准器 -1 至 1 PSI,(-68.9 mbar 至 68.9 mbar,-6.89 至 6.89 kPa)

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具有10 μA的高灵敏度,能够精确测量泄漏电流;通过滤波功能能够只显示工频电源50/60Hz的泄漏电流

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快速采样测量TRMS值,即使在非线性波形下也可精确测量

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