主要存在的問題主要有：①指示長期不準(zhǔn)；②始終無指示；③指示大范圍波動，無法讀數(shù)；④指示不回零；⑤小流量時無指示；⑧大流量時指示還可以，小流量時指示不準(zhǔn)；⑦流量變化時指示變化跟不上；⑧儀表K系數(shù)無法確定，多處資料均不一致。分析及解決方法總結(jié)引起這些問題的主要原因，主要涉及到以下方面：1、選型方面的問題。有些渦街傳感器在口徑選型上或者在設(shè)計選型之后由于工藝條件變動，使得選擇大了―個規(guī)格，實際選型應(yīng)選擇
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