{"product_id":"adjustable-spark-gap","title":"可調式火花間隙","description":"\u003cp\u003e間隙設定範圍：5 至 18 kV\u003cbr\u003e間隙電容：1.0 至 0.3 pF\u003c\/p\u003e\n\n\u003cp\u003e可調火花隙（DG PN 17245）設計用作保護裝置，將雷電流分流至地面，從而防止高電壓和大電流損壞無線電設備。\u003c\/p\u003e\n\n\u003cp\u003e火花隙設計為安裝在天線底座附近並與天線並聯。通過調節位於電暈球內部的螺絲起子槽柱塞，可將擊穿電壓從 3 kV 調節至 18 kV。調節火花隙前，必須鬆開電暈球下方的鎖緊螺帽。裝置出廠時從與接地端子接觸點向外調節一圈，這代表 5 kV 的擊穿電壓。\u003c\/p\u003e","brand":"Pilot Gear","offers":[{"title":"Default Title","offer_id":45340846588013,"sku":"17245","price":9669.0,"currency_code":"HKD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/2041\/4573\/files\/GetImageNoResize_f89df713-e87a-49dd-874e-d99e730540d0.jpg?v=1781485916","url":"https:\/\/www.pilotgear.com.au\/zh-hk\/products\/adjustable-spark-gap","provider":"Pilot Gear","version":"1.0","type":"link"}