金属管フロート式流量計の遠隔送信電流信号が現場表示よりも大きい理由は？
Thread Content
200立方のガス流量計が、現場で80立方を表示し、電流信号は11mA（4-20mA）を示していますが、その原因は何でしょうか？
流量計の機械的ゼロ点（測定範囲）と遠隔ゼロ点（測定範囲）が一致していません。
まずフロートと指針をゼロ位置にし、出力が4mAか確認してください
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