[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"category-electronic-test-equipment":3,"menu-footer":13,"menu-header":50,"categories":99,"category-electronic-test-equipment-1":252},{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":6,"siteId":7,"parentId":8,"ancestors":5,"slug":9,"name":10,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":12,"seoTitle":5,"seoDescription":5,"seoKeywords":5},"",null,298,4,1,"electronic-test-equipment","电子测试设备",0,6,{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":14,"siteId":7,"name":15,"location":16,"items":17},9,"底部导航","footer",[18,24,30,37,44],{"createBy":4,"createTime":5,"updateBy":4,"updateTime":19,"remark":5,"parentName":5,"parentId":11,"orderNum":5,"ancestors":5,"children":20,"id":21,"siteId":7,"menuId":14,"title":22,"icon":5,"url":5,"sort":5,"status":11,"menu":23},"2026-05-19 12:30:20",[],54,"联系我们",{"createBy":5,"createTime":5,"updateBy":5,"updateTime":5,"remark":5,"id":14,"siteId":5,"name":15,"location":16,"items":5},{"createBy":4,"createTime":5,"updateBy":4,"updateTime":25,"remark":5,"parentName":5,"parentId":21,"orderNum":5,"ancestors":5,"children":26,"id":27,"siteId":7,"menuId":14,"title":28,"icon":5,"url":5,"sort":8,"status":11,"menu":29},"2026-05-19 12:30:31",[],55,"北京志鸿恒拓科技有限公司",{"createBy":5,"createTime":5,"updateBy":5,"updateTime":5,"remark":5,"id":14,"siteId":5,"name":15,"location":16,"items":5},{"createBy":4,"createTime":5,"updateBy":4,"updateTime":31,"remark":5,"parentName":5,"parentId":21,"orderNum":5,"ancestors":5,"children":32,"id":33,"siteId":7,"menuId":14,"title":34,"icon":5,"url":5,"sort":35,"status":11,"menu":36},"2026-05-19 12:30:40",[],56,"北京市昌平区沙河镇育荣园区1号楼340室",2,{"createBy":5,"createTime":5,"updateBy":5,"updateTime":5,"remark":5,"id":14,"siteId":5,"name":15,"location":16,"items":5},{"createBy":4,"createTime":5,"updateBy":4,"updateTime":38,"remark":5,"parentName":5,"parentId":21,"orderNum":5,"ancestors":5,"children":39,"id":40,"siteId":7,"menuId":14,"title":41,"icon":5,"url":5,"sort":42,"status":11,"menu":43},"2026-05-19 12:30:51",[],57,"电话：13167366827",3,{"createBy":5,"createTime":5,"updateBy":5,"updateTime":5,"remark":5,"id":14,"siteId":5,"name":15,"location":16,"items":5},{"createBy":4,"createTime":5,"updateBy":4,"updateTime":45,"remark":5,"parentName":5,"parentId":21,"orderNum":5,"ancestors":5,"children":46,"id":47,"siteId":7,"menuId":14,"title":48,"icon":5,"url":5,"sort":7,"status":11,"menu":49},"2026-05-19 12:30:57",[],58,"邮箱：sales@zhht-tech.com",{"createBy":5,"createTime":5,"updateBy":5,"updateTime":5,"remark":5,"id":14,"siteId":5,"name":15,"location":16,"items":5},{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":51,"siteId":7,"name":52,"location":53,"items":54},8,"顶部导航","header",[55,61,69,77,85,93],{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"parentName":5,"parentId":11,"orderNum":5,"ancestors":5,"children":56,"id":57,"siteId":7,"menuId":51,"title":58,"icon":5,"url":59,"sort":8,"status":11,"menu":60},[],49,"首页","\u002F",{"createBy":5,"createTime":5,"updateBy":5,"updateTime":5,"remark":5,"id":51,"siteId":5,"name":52,"location":53,"items":5},{"createBy":4,"createTime":5,"updateBy":4,"updateTime":62,"remark":5,"parentName":5,"parentId":11,"orderNum":5,"ancestors":5,"children":63,"id":64,"siteId":7,"menuId":51,"title":65,"icon":5,"url":66,"sort":67,"status":11,"menu":68},"2026-06-26 13:23:42",[],50,"产品中心","\u002Fcategory\u002Fanalytical-instruments",20,{"createBy":5,"createTime":5,"updateBy":5,"updateTime":5,"remark":5,"id":51,"siteId":5,"name":52,"location":53,"items":5},{"createBy":4,"createTime":70,"updateBy":4,"updateTime":5,"remark":5,"parentName":5,"parentId":11,"orderNum":5,"ancestors":5,"children":71,"id":72,"siteId":7,"menuId":51,"title":73,"icon":5,"url":74,"sort":75,"status":11,"menu":76},"2026-06-26 13:23:16",[],67,"品牌","\u002Fbrands",25,{"createBy":5,"createTime":5,"updateBy":5,"updateTime":5,"remark":5,"id":51,"siteId":5,"name":52,"location":53,"items":5},{"createBy":4,"createTime":5,"updateBy":4,"updateTime":78,"remark":5,"parentName":5,"parentId":11,"orderNum":5,"ancestors":5,"children":79,"id":80,"siteId":7,"menuId":51,"title":81,"icon":5,"url":82,"sort":83,"status":11,"menu":84},"2026-06-26 13:23:34",[],51,"新闻动态","\u002Fcatalog\u002Fnews",30,{"createBy":5,"createTime":5,"updateBy":5,"updateTime":5,"remark":5,"id":51,"siteId":5,"name":52,"location":53,"items":5},{"createBy":4,"createTime":5,"updateBy":4,"updateTime":86,"remark":5,"parentName":5,"parentId":11,"orderNum":5,"ancestors":5,"children":87,"id":88,"siteId":7,"menuId":51,"title":89,"icon":5,"url":90,"sort":91,"status":11,"menu":92},"2026-06-26 13:23:28",[],52,"关于我们","\u002Fpage\u002Fabout-us",40,{"createBy":5,"createTime":5,"updateBy":5,"updateTime":5,"remark":5,"id":51,"siteId":5,"name":52,"location":53,"items":5},{"createBy":4,"createTime":5,"updateBy":4,"updateTime":94,"remark":5,"parentName":5,"parentId":11,"orderNum":5,"ancestors":5,"children":95,"id":96,"siteId":7,"menuId":51,"title":22,"icon":5,"url":97,"sort":64,"status":11,"menu":98},"2026-06-26 13:23:22",[],53,"\u002Fpage\u002Fcontact-us",{"createBy":5,"createTime":5,"updateBy":5,"updateTime":5,"remark":5,"id":51,"siteId":5,"name":52,"location":53,"items":5},{"msg":100,"code":101,"data":102},"操作成功",200,[103,110,114,118,122,126,130,137,141,144,148,153,158,162,166,170,173,177,181,185,189,193,198,201,205,209,213,217,221,225,228,232,236,240,244,248,251],{"createBy":4,"createTime":104,"updateBy":4,"updateTime":105,"remark":5,"id":106,"siteId":7,"parentId":8,"ancestors":5,"slug":107,"name":108,"images":109,"files":5,"subtitle":5,"isHot":11,"status":11,"sort":11,"seoTitle":5,"seoDescription":5,"seoKeywords":5},"2026-05-20 11:54:18","2026-05-20 12:46:15",324,"hardness-tester","硬度计","[{\"name\":\"307L-750.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F20\u002F3b7c9b82-8d0a-4e70-a06f-cbbc244bb2e3.jpg\",\"size\":149671,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F20\u002F3b7c9b82-8d0a-4e70-a06f-cbbc244bb2e3.jpg\",\"url\":\"image\u002F2026\u002F05\u002F20\u002F3b7c9b82-8d0a-4e70-a06f-cbbc244bb2e3.jpg\"}]",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":111,"remark":5,"id":8,"siteId":7,"parentId":11,"ancestors":5,"slug":4,"name":112,"images":113,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":8,"seoTitle":5,"seoDescription":5,"seoKeywords":5},"2026-05-19 10:47:10","测试测量仪器","[]",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":115,"siteId":7,"parentId":8,"ancestors":5,"slug":116,"name":117,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":8,"seoTitle":5,"seoDescription":5,"seoKeywords":5},293,"oscilloscopes","示波器",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":119,"siteId":7,"parentId":35,"ancestors":5,"slug":120,"name":121,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":8,"seoTitle":5,"seoDescription":5,"seoKeywords":5},299,"daq-systems","DAQ数据采集系统",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":123,"siteId":7,"parentId":42,"ancestors":5,"slug":124,"name":125,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":8,"seoTitle":5,"seoDescription":5,"seoKeywords":5},304,"pressure-gauges","压力表",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":127,"siteId":7,"parentId":7,"ancestors":5,"slug":128,"name":129,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":8,"seoTitle":5,"seoDescription":5,"seoKeywords":5},309,"pressure-calibrators","压力校准仪",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":131,"remark":5,"id":132,"siteId":7,"parentId":133,"ancestors":5,"slug":134,"name":135,"images":136,"files":5,"subtitle":5,"isHot":11,"status":11,"sort":8,"seoTitle":5,"seoDescription":5,"seoKeywords":5},"2026-05-20 12:54:47",314,5,"analytical-instruments","分析仪器","[{\"name\":\"10001-1-scaled.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F20\u002F868c6ad0-cfde-4b55-a155-0881d01d8d33.jpg\",\"size\":328317,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F20\u002F868c6ad0-cfde-4b55-a155-0881d01d8d33.jpg\",\"url\":\"image\u002F2026\u002F05\u002F20\u002F868c6ad0-cfde-4b55-a155-0881d01d8d33.jpg\"}]",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":138,"siteId":7,"parentId":12,"ancestors":5,"slug":139,"name":140,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":8,"seoTitle":5,"seoDescription":5,"seoKeywords":5},318,"signal-conditioners","信号调理器",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":142,"remark":5,"id":35,"siteId":7,"parentId":11,"ancestors":5,"slug":4,"name":143,"images":113,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":35,"seoTitle":5,"seoDescription":5,"seoKeywords":5},"2026-05-19 10:47:20","数据采集系统",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":145,"siteId":7,"parentId":8,"ancestors":5,"slug":146,"name":147,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":35,"seoTitle":5,"seoDescription":5,"seoKeywords":5},294,"multimeters","万用表",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":149,"remark":5,"id":150,"siteId":7,"parentId":35,"ancestors":5,"slug":151,"name":152,"images":113,"files":5,"subtitle":5,"isHot":11,"status":11,"sort":35,"seoTitle":5,"seoDescription":5,"seoKeywords":5},"2026-05-19 10:45:27",300,"data-loggers","数据记录仪",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":154,"remark":5,"id":155,"siteId":7,"parentId":42,"ancestors":5,"slug":156,"name":157,"images":113,"files":5,"subtitle":5,"isHot":11,"status":11,"sort":35,"seoTitle":5,"seoDescription":5,"seoKeywords":5},"2026-05-19 10:45:36",305,"flow-meters","流量计",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":159,"siteId":7,"parentId":7,"ancestors":5,"slug":160,"name":161,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":35,"seoTitle":5,"seoDescription":5,"seoKeywords":5},310,"electrical-calibrators","电气校准仪",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":163,"siteId":7,"parentId":133,"ancestors":5,"slug":164,"name":165,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":35,"seoTitle":5,"seoDescription":5,"seoKeywords":5},315,"environmental-test-equipment","环境测试设备",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":167,"siteId":7,"parentId":12,"ancestors":5,"slug":168,"name":169,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":35,"seoTitle":5,"seoDescription":5,"seoKeywords":5},319,"carrier-demodulators","载波解调器",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":171,"remark":5,"id":42,"siteId":7,"parentId":11,"ancestors":5,"slug":4,"name":172,"images":113,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":42,"seoTitle":5,"seoDescription":5,"seoKeywords":5},"2026-05-19 10:47:30","过程仪表",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":174,"siteId":7,"parentId":8,"ancestors":5,"slug":175,"name":176,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":42,"seoTitle":5,"seoDescription":5,"seoKeywords":5},295,"power-analyzers","功率分析仪",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":178,"siteId":7,"parentId":35,"ancestors":5,"slug":179,"name":180,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":42,"seoTitle":5,"seoDescription":5,"seoKeywords":5},301,"io-modules","IO模块",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":182,"siteId":7,"parentId":42,"ancestors":5,"slug":183,"name":184,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":42,"seoTitle":5,"seoDescription":5,"seoKeywords":5},306,"level-instruments","液位仪表",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":186,"siteId":7,"parentId":7,"ancestors":5,"slug":187,"name":188,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":42,"seoTitle":5,"seoDescription":5,"seoKeywords":5},311,"temperature-calibrators","温度校准仪",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":190,"siteId":7,"parentId":133,"ancestors":5,"slug":191,"name":192,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":42,"seoTitle":5,"seoDescription":5,"seoKeywords":5},316,"scientific-instruments","科学仪器",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":194,"remark":5,"id":195,"siteId":7,"parentId":12,"ancestors":5,"slug":196,"name":197,"images":113,"files":5,"subtitle":5,"isHot":11,"status":11,"sort":42,"seoTitle":5,"seoDescription":5,"seoKeywords":5},"2026-05-19 10:46:03",320,"signal-amplifiers","信号放大器",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":199,"remark":5,"id":7,"siteId":7,"parentId":11,"ancestors":5,"slug":4,"name":200,"images":113,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":7,"seoTitle":5,"seoDescription":5,"seoKeywords":5},"2026-05-19 10:47:39","校准设备",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":202,"siteId":7,"parentId":8,"ancestors":5,"slug":203,"name":204,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":7,"seoTitle":5,"seoDescription":5,"seoKeywords":5},296,"signal-analyzers","信号分析仪",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":206,"siteId":7,"parentId":35,"ancestors":5,"slug":207,"name":208,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":7,"seoTitle":5,"seoDescription":5,"seoKeywords":5},302,"industrial-gateways","工业网关",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":210,"siteId":7,"parentId":42,"ancestors":5,"slug":211,"name":212,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":7,"seoTitle":5,"seoDescription":5,"seoKeywords":5},307,"temperature-instruments","温度仪表",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":214,"siteId":7,"parentId":7,"ancestors":5,"slug":215,"name":216,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":7,"seoTitle":5,"seoDescription":5,"seoKeywords":5},312,"calibration-pumps","校准泵",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":218,"siteId":7,"parentId":133,"ancestors":5,"slug":219,"name":220,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":7,"seoTitle":5,"seoDescription":5,"seoKeywords":5},317,"laboratory-measurement-equipment","实验室测量设备",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":222,"siteId":7,"parentId":12,"ancestors":5,"slug":223,"name":224,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":7,"seoTitle":5,"seoDescription":5,"seoKeywords":5},321,"spectrum-analyzers","频谱分析仪",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":226,"remark":5,"id":133,"siteId":7,"parentId":11,"ancestors":5,"slug":4,"name":227,"images":113,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":133,"seoTitle":5,"seoDescription":5,"seoKeywords":5},"2026-05-19 10:47:47","实验室仪器",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":229,"siteId":7,"parentId":8,"ancestors":5,"slug":230,"name":231,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":133,"seoTitle":5,"seoDescription":5,"seoKeywords":5},297,"frequency-counters","频率计数器",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":233,"siteId":7,"parentId":35,"ancestors":5,"slug":234,"name":235,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":133,"seoTitle":5,"seoDescription":5,"seoKeywords":5},303,"remote-monitoring-systems","远程监控系统",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":237,"siteId":7,"parentId":42,"ancestors":5,"slug":238,"name":239,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":133,"seoTitle":5,"seoDescription":5,"seoKeywords":5},308,"process-controllers","过程控制器",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":241,"siteId":7,"parentId":7,"ancestors":5,"slug":242,"name":243,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":133,"seoTitle":5,"seoDescription":5,"seoKeywords":5},313,"calibration-accessories","校准附件",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":245,"siteId":7,"parentId":12,"ancestors":5,"slug":246,"name":247,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":133,"seoTitle":5,"seoDescription":5,"seoKeywords":5},322,"electronic-measurement-modules","电子测量模块",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":249,"remark":5,"id":12,"siteId":7,"parentId":11,"ancestors":5,"slug":4,"name":250,"images":113,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":12,"seoTitle":5,"seoDescription":5,"seoKeywords":5},"2026-05-19 10:47:54","信号分析与电子测试",{"createBy":4,"createTime":5,"updateBy":4,"updateTime":5,"remark":5,"id":6,"siteId":7,"parentId":8,"ancestors":5,"slug":9,"name":10,"images":5,"files":5,"subtitle":5,"isHot":5,"status":11,"sort":12,"seoTitle":5,"seoDescription":5,"seoKeywords":5},{"total":8,"rows":253,"code":101,"msg":271},[254],{"createBy":5,"createTime":255,"updateBy":5,"updateTime":255,"remark":5,"id":256,"siteId":7,"sourceId":257,"categoryId":6,"brandId":258,"slug":259,"name":260,"code":5,"model":261,"subtitle":262,"description":263,"images":264,"files":5,"attributes":5,"price":5,"currency":5,"isHot":5,"status":11,"sort":11,"seoTitle":265,"seoDescription":266,"seoKeywords":5,"brand":267,"category":270},"2026-07-08 15:18:39",171369,37015,20847,"171369","DL Instruments Model 1212 电流前置放大器","Model 1212","DL Instruments Model 1212 是一款高性价比通用台式电流前置放大器，专为检测微小交流及直流电流设计。具备虚拟接地输入、低噪声配置及交直流双供电模式，适用于光电二极管和光电倍增管等高动态范围检测场景。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>Model 1212 电流前置放大器是一款专为低成本、通用型台式应用设计的高性能检测仪器，用于测量微小的交流和直流电流。该设备在输入端采用\u003Cstrong>虚拟接地\u003C\u002Fstrong>设计，有效消除了因输入电缆和杂散电容导致的不可预测的高频滚降现象。\u003C\u002Fp>\u003Cp>其\u003Cstrong>零输入阻抗\u003C\u002Fstrong>特性使得光电二极管探测器能够在极宽的动态范围内线性工作，同时确保光电倍增管以最小的失真运行。\u003C\u002Fp>\u003Ch3>核心优势\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>优化的带宽性能\u003C\u002Fstrong>：针对标准锁相放大器进行了优化，拥有最宽的带宽，且在使用小面积 PIN 光电二极管等中等电容换能器时不会出现过峰值现象。\u003C\u002Fli>\u003Cli>\u003Cstrong>灵活的供电方式\u003C\u002Fstrong>：支持直接连接交流电源线或使用内部密封铅酸可充电电池供电，电池续航时间长达\u003Cstrong>20 小时\u003C\u002Fstrong>。\u003C\u002Fli>\u003Cli>\u003Cstrong>**的低噪声表现\u003C\u002Fstrong>：输入级采用低噪声配置（典型值 7nV\u002F√Hz），即使在存在不利输入对地分流电容的情况下也能保证良好的噪声性能。输出噪声通常低于 40nV\u002F√Hz。\u003C\u002Fli>\u003Cli>\u003Cstrong>**的驱动能力\u003C\u002Fstrong>：前面板 600 Ω BNC 输出具有短路保护功能，可负载超过 20 英尺的 50 Ω 同轴电缆而不会产生显著的高频滚降。内部输出缓冲器使其免受输出端电容负载效应的影响。\u003C\u002Fli>\u003C\u002Ful>\u003Ch3>技术规格\u003C\u002Fh3>\u003Cul>\u003Cli>\u003Cstrong>灵敏度\u003C\u002Fstrong>：10⁻⁴ 至 10⁻⁹ 安培\u002F伏特（五档电流量程）\u003C\u002Fli>\u003Cli>\u003Cstrong>直流增益精度\u003C\u002Fstrong>：** ±1%\u003C\u002Fli>\u003Cli>\u003Cstrong>直流开环增益\u003C\u002Fstrong>：&gt;250,000\u003C\u002Fli>\u003Cli>\u003Cstrong>输入漏电流\u003C\u002Fstrong>：25°C 时** ±25 pA\u003C\u002Fli>\u003Cli>\u003Cstrong>输入失调电压\u003C\u002Fstrong>：可调至 0 V\u003C\u002Fli>\u003Cli>\u003Cstrong>功耗\u003C\u002Fstrong>：105-130 Vac 或 210-260 Vac，47\u002F440 Hz，40W\u003C\u002Fli>\u003Cli>\u003Cstrong>电池工作时间\u003C\u002Fstrong>：20 小时\u003C\u002Fli>\u003Cli>\u003Cstrong>充电时间\u003C\u002Fstrong>：8 小时\u003C\u002Fli>\u003Cli>\u003Cstrong>输出摆幅\u003C\u002Fstrong>：最小 15V p-p (5Vrms)\u003C\u002Fli>\u003Cli>\u003Cstrong>输出阻抗\u003C\u002Fstrong>：600 Ω\u003C\u002Fli>\u003Cli>\u003Cstrong>输出极性\u003C\u002Fstrong>：反相\u003C\u002Fli>\u003Cli>\u003Cstrong>过载检测\u003C\u002Fstrong>：非线性前检测（典型值 ±9V）\u003C\u002Fli>\u003Cli>\u003Cstrong>工作温度\u003C\u002Fstrong>：5°C 至 70°C\u003C\u002Fli>\u003Cli>\u003Cstrong>尺寸\u003C\u002Fstrong>：320 x 137 x 66mm\u003C\u002Fli>\u003Cli>\u003Cstrong>重量\u003C\u002Fstrong>：3 kg\u003C\u002Fli>\u003C\u002Ful>","[{\"name\":\"ScreenShot_2026-07-08_151352_470.png\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F07\u002F08\u002F8665db2b-48ba-46a9-9df2-f50cfcfab131.png\",\"size\":714072,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F07\u002F08\u002F8665db2b-48ba-46a9-9df2-f50cfcfab131.png\",\"url\":\"image\u002F2026\u002F07\u002F08\u002F8665db2b-48ba-46a9-9df2-f50cfcfab131.png\"}]","DL Instruments Model 1212 电流前置放大器 - 高精度低噪声检测系统","DL Instruments Model 1212 电流前置放大器提供高性能小电流检测，支持 10-4 至 10-9 A\u002FV 灵敏度，内置电池供电，低噪声设计，适用于各类光电检测应用。",{"createBy":5,"createTime":5,"updateBy":5,"updateTime":5,"remark":5,"id":258,"siteId":5,"slug":268,"name":269,"country":5,"images":5,"files":5,"subtitle":5,"description":5,"status":5,"isHot":5,"sort":5,"seoTitle":5,"seoDescription":5,"seoKeywords":5},"dl-instruments","DL Instruments",{"createBy":5,"createTime":5,"updateBy":5,"updateTime":5,"remark":5,"id":6,"siteId":5,"parentId":5,"ancestors":5,"slug":9,"name":10,"images":5,"files":5,"subtitle":5,"isHot":5,"status":5,"sort":5,"seoTitle":5,"seoDescription":5,"seoKeywords":5},"查询成功"]