{"type":"product","schema_version":"1.0","item_id":"100302067591","canonical_url":"https://tw.bid.yahoo.com/item/100302067591","title":"益智城《抽氣真空鈴/實驗器材教具/真空抽氣實驗/抽氣真空鈴/科學實驗/真空實驗/真空抽氣鈴》真空鈴(大型)可加購真空泵浦","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-05-16T01:22:11.845Z","current_price":4000,"original_price":null,"stock_status":"in_stock","available_quantity":5,"sold_quantity":0,"seller":{"id":"Y4009405507","name":"益智城《0919983669》","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/488cf5c3-a16f-4e07-bd94-ba04eca5f835.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/a7945243-eb88-4ad4-9161-c6a90ac99946.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null}],"description":"益智城新館《物理實驗器材教具/理化實驗/真空抽氣/真空鈴/科學實驗/真空實驗》真空鈴(大型)\n本款的真空鈴,使用電池供應電力,安全方便,改善了以往電鈴易短路燒掉的現象。\n\n使用玻璃鐘罩,底盤為壓克力製。\n\n您可以在接縫處塗以凡士林,以增加密閉性,讓實驗的效果更顯著。\n\n(可另外加購真空抽氣機,如圖2,單價為3300元,幫浦說明如下)\n\n圖2超輕真空幫浦 (附有塑膠連接管)\n\n高品質，機體由鋁合金鑄造，無油式，吸排兩用，也可以當作打氣泵浦。體積小(145 x125x100mm)，重量僅1.6公斤。真空度可達-500 mmHg，無論應用於真空鈴、真空自由落體或其他需抽真空的實驗中，均已綽綽有餘。\n\n其開放式、無外罩的設計，除了加強散熱性，外觀上，會看到感應線圈、風鼓及曲柄，恰可用來解說馬達及泵浦的機械原理。雖無外罩，但觸摸其上並無漏電之虞。","shipping_methods":[{"name":"郵局掛號","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳"],"category_id":"2092077210","category_name":"其他教具","breadcrumb":[{"id":"3994318","name":"圖書/影音/文具","url":"/tw/%E5%9C%96%E6%9B%B8-%E5%BD%B1%E9%9F%B3-%E6%96%87%E5%85%B7-3994318-category.html"},{"id":"2092073810","name":"文具與事務用品","url":"/tw/%E6%96%87%E5%85%B7%E8%88%87%E4%BA%8B%E5%8B%99%E7%94%A8%E5%93%81-2092073810-category.html"},{"id":"2092077205","name":"教育用具","url":"/tw/%E6%95%99%E8%82%B2%E7%94%A8%E5%85%B7-2092077205-category.html"},{"id":"2092077210","name":"其他教具","url":"/tw/%E5%85%B6%E4%BB%96%E6%95%99%E5%85%B7-2092077210-category.html"}],"view_count":2,"watch_count":1,"hashtags":["真空抽氣鈴","抽氣真空鈴","真空實驗","真空抽氣實驗","理化實驗教具"]}