{"type":"product","schema_version":"1.0","item_id":"100026343793","canonical_url":"https://tw.bid.yahoo.com/item/100026343793","title":"益智城新館《物理靜電實驗器材/笵氏起電機/起電實驗/科學實驗教具》范氏起電機/范德格拉夫起電機/凡德格拉夫起電機(大型)","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-04-22T18:53:02.017Z","current_price":19000,"original_price":null,"stock_status":"low_stock","available_quantity":1,"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/61f5116a-04af-4e21-ba65-90053fc063e3.jpg","role":"main","alt":"商品主圖","width":null,"height":null}],"description":"笵氏起電機/范氏起電機/\n\n范德格拉夫起電機RobertVan de Graaff\n\n \n\n本款起電機(ScienceFirst)，是利用球體的電刷和橡膠圈迴轉，感應作用起電的一種儀器。\n\n使用時在球體表面會聚集大量電荷。以手掌接觸球體(足部需踩在絕緣物體上)，即可觀察毛髮直立的現象。\n\n球體直徑18公分，45公分高。在濕度90%以下的環境，可以產生200千伏特的電力。","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":1,"watch_count":4,"hashtags":["范氏起電機","靜電實驗","起電實驗"]}