{"product_id":"adjustable-spark-gap","title":"可调式火花间隙","description":"\u003cp\u003e间隙设定范围：5 至 18 kV\u003cbr\u003e间隙电容：1.0 至 0.3 pF\u003c\/p\u003e\n\u003cp\u003e可调火花隙（DG PN 17245）设计用作保护装置，将雷电流分流至地面，从而防止高电压和大电流损坏无线电设备。\u003c\/p\u003e\n\u003cp\u003e火花隙设计为安装在天线底座附近并与天线并联。通过调节位于电晕球内部的螺丝刀槽柱塞，可将击穿电压从 3 kV 调节至 18 kV。调节火花隙前，必须松开电晕球下方的锁紧螺母。装置出厂时从与接地端子接触点向外调节一圈，这代表 5 kV 的击穿电压。\u003c\/p\u003e","brand":"Pilot Gear","offers":[{"title":"Default Title","offer_id":45340846588013,"sku":"17245","price":8275.36,"currency_code":"CNY","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-cn\/products\/adjustable-spark-gap","provider":"Pilot Gear","version":"1.0","type":"link"}