帶有磁性小浮球使桿里面的干簧管閉合，從而控制液位，多數(shù)應(yīng)用在清水的液位控制，一般幾塊錢就有交易了，但易受污物
上海祥樹ROEMHELD1847B090L39
影響。還有一種是電纜式浮球開關(guān)，該裝置通過一彈性電線與水泵連接，可用于水塔、水池各種浮球開關(guān)水位高低的
上海祥樹ROEMHELD1847B090L39
上海祥樹ROEMHELD1847B090L39
JUMO typ：ATH-SW-7070
ELVEM 6SM80B2
DRAGO DK-8000 +30MV/0-20MA
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Mentor 184064-62 6622.1001
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KISTLER 2153A0304003HG
ABB PM581-ETH
