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其原理是将试板用开孔的固定环从上压紧;然后将球形顶头以缓慢的速度从下往上顶压试板,使试板在固定环中间形成半球形凸起变

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测量两电压间、两电流间和电压电流间的相位 , 判别三相相序。钳口尺寸 φ7.5mm, 相位量程: 0 ~ 360°

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测量交流电压、电流、相位、频率、相序、功率、功率因数,钳口尺寸:φ40mm,相位量程:0.0~360°,电流量程:0.0mA~20.0A,电压量程:0.00V~600V配有RS232接口数据上传功能

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测量交流电压、电流、相位、频率、相序、功率、功率因数,钳口尺寸φ7.5mm相位量程0.0~360°电流量程0.0mA~20.0A,电压量程0.00V~600V配有RS232接口数据上传功能

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测量交流电压、电流、相位、频率、相序、功率、功率因数,钳口尺寸φ40mm相位量程0.0~360°电流量程0.0mA~20.0A电压量程0.00V~600V配有RS232接口数据上传功能

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测量交流电压、电流、相位、频率、相序、功率、功率因数,钳口尺寸φ40mm相位量程0.0~360°电流量程0.0A~400A电压量程0.00V~600V配有RS232接口数据上传功能

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同时显示被测试(电压,电流,时间)具有手动,遥控启动,复位功能

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可提供适应不同介质、不同进口压力范围、不同压差范围的多种系列差压开关 承受大工作压力: 210bar 承受大差压: 210bar 标准产品承受温度: 204 ° C (如有更高的温度要求可以

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