{"type":"product","schema_version":"1.0","item_id":"100445858511","canonical_url":"https://tw.bid.yahoo.com/item/100445858511","title":"PM2 高壓型 浮球開關 水位開關 液位傳感器 液位開關 防腐塑膠浮球","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-07-10T17:02:59.056Z","current_price":95,"original_price":null,"stock_status":"in_stock","available_quantity":10,"sold_quantity":3,"seller":{"id":"Y9962399698","name":"Y9962399698","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/6b58f1a5-5236-4841-b123-b7d457823750.jpg","role":"main","alt":"商品主圖","width":null,"height":null}],"description":"浮球開關耐壓低 ,需搭配小型繼電器使用!\n\n浮球液位元開關是一種結構簡單，使用方便的液位控制器件，它不需要提供電源，沒有複雜電路，\n它具有比一般機械開關體積小，工作壽命長等優點。\n造型裡只要材質選用正確，和任何性質液體或壓力，溫度皆可使用，其在造船工業、\n發電機設備、石油化工、食品工業、水處理設備、染整工業、油壓機械等方面都得到廣泛應用。\n\n工作原理：\n\n液位元傳感器重要由有磁簧開關和浮球組成，浮球內有磁性材料，在密閉的非導磁金屬管或塑膠管內設置一個或多個磁簧開關，\n然後將導管穿過一個或多個帶有磁性材料的浮球，並利用固定雙環控制浮球與磁簧開關在相關位置上，\n浮球隨著液體上升或下降，利用球內靠近磁簧開頭的接點，產生開與關的動作，作液位控制或指示\n（當浮球靠近磁簧開關是導通,離開時開關斷開/更換浮球方向可更換開關極性）。\n\n 以下為 P35 / P45\n\n以下為 P52 / P75 / P85 / P100 \n\n以下為側裝式 PM2","shipping_methods":[{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","7-ELEVEN取貨付款"],"category_id":"26082","category_name":"其他","breadcrumb":[{"id":"25464","name":"玩具、模型與公仔","url":"/tw/%E7%8E%A9%E5%85%B7%E3%80%81%E6%A8%A1%E5%9E%8B%E8%88%87%E5%85%AC%E4%BB%94-25464-category.html"},{"id":"26082","name":"其他","url":"/tw/%E5%85%B6%E4%BB%96-26082-category.html"}],"view_count":1,"watch_count":2}