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开关，适用于工业温度传感器快速校准与测试。",{"createBy":7,"createTime":7,"updateBy":7,"updateTime":7,"remark":7,"id":879,"siteId":7,"slug":889,"name":890,"country":7,"images":7,"files":7,"subtitle":7,"description":7,"status":7,"isHot":7,"sort":7,"seoTitle":7,"seoDescription":7,"seoKeywords":7},{"createBy":7,"createTime":7,"updateBy":7,"updateTime":7,"remark":7,"id":8,"siteId":7,"parentId":7,"ancestors":7,"slug":12,"name":13,"images":7,"files":7,"subtitle":7,"isHot":7,"status":7,"sort":7,"seoTitle":7,"seoDescription":7,"seoKeywords":7},{"createBy":7,"createTime":948,"updateBy":7,"updateTime":949,"remark":7,"id":950,"siteId":9,"sourceId":951,"categoryId":8,"brandId":879,"slug":952,"name":953,"code":7,"model":954,"subtitle":955,"description":956,"images":957,"files":7,"attributes":7,"price":7,"currency":7,"isHot":7,"status":10,"sort":10,"seoTitle":958,"seoDescription":959,"seoKeywords":7,"brand":960,"category":961},"2026-06-01 19:23:54","2026-06-01 19:23:53",155098,5756,"155098","PIECAL 422Plus 诊断型热电偶和 mA 校准器","422Plus","集成热电偶与毫安回路校准功能于一体。支持 14 种热电偶类型，可输出 0 至 24 毫安电流或模拟二线制变送器。具备接地泄漏检测功能，帮助快速定位因接地故障、潮湿或腐蚀引起的回路零点漂移问题。","\u003Ch3>通过接地泄漏检测发现隐藏回路问题\u003C\u002Fh3>\u003Cp>如果您发现变送器校准正确，但回路中其他所有读数都存在固定偏移，这是由于零点漂移造成的。这种零点漂移通常是由回路中的部分电流绕过变送器引起的。这可能是由接地故障、潮湿或腐蚀造成的。\u003C\u002Fp>\u003Cp>开启接地泄漏检测功能，并使用 PIE 422Plus 为回路供电。任何不受变送器或其他电流控制元件控制的电流都将在校准器显示屏上显示为泄漏电流。\u003C\u002Fp>\u003Ch3>回路诊断中发现的典型问题\u003C\u002Fh3>\u003Cimg alt=\"回路诊断中发现的典型问题\" class=\"wd-lazy-fade alignnone wp-image-998 size-medium\" height=\"91\" src=\"https:\u002F\u002Fpiecal.com\u002Fwp-content\u002Fthemes\u002Fwoodmart\u002Fimages\u002Flazy.svg\" width=\"300\">\u003Cbr>\u003Cp>这是一个技术人员刚刚重新校准了变送器但控制室仍然看到问题的回路。问题刚好在一场暴雨后开始。\u003C\u002Fp>\u003Cimg alt=\"使用 PIE 422Plus 为回路供电，技术人员检测到 0.51 mA 的泄漏\" class=\"wd-lazy-fade alignnone wp-image-997 size-medium\" height=\"117\" src=\"https:\u002F\u002Fpiecal.com\u002Fwp-content\u002Fthemes\u002Fwoodmart\u002Fimages\u002Flazy.svg\" width=\"300\">\u003Cbr>\u003Cp>使用 PIE 422Plus 为回路供电，技术人员检测到 0.51 mA 的泄漏——与控制室看到的偏移量相同。他沿着回路走并打开一个接线盒，释放出一股水流。回路再次受控。点击下方链接查看回路诊断实际操作的视频演示。\u003C\u002Fp>","[{\"name\":\"PIE-422Plus-TC-PWRM-HART-Low-Resolution.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F06\u002F01\u002F579ed95c-4297-47a4-8154-a0e6b55cb97d.jpg\",\"size\":53742,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F06\u002F01\u002F579ed95c-4297-47a4-8154-a0e6b55cb97d.jpg\",\"url\":\"image\u002F2026\u002F06\u002F01\u002F579ed95c-4297-47a4-8154-a0e6b55cb97d.jpg\"}]","PIECAL 422Plus 诊断型热电偶和 mA 校准器 - 接地泄漏检测","PIECAL 422Plus 是一款双功能校准器，支持 14 种热电偶及 0-24mA 回路校准。具备接地泄漏检测功能，帮助技术人员快速定位因潮湿、腐蚀引起的回路零点漂移问题。",{"createBy":7,"createTime":7,"updateBy":7,"updateTime":7,"remark":7,"id":879,"siteId":7,"slug":889,"name":890,"country":7,"images":7,"files":7,"subtitle":7,"description":7,"status":7,"isHot":7,"sort":7,"seoTitle":7,"seoDescription":7,"seoKeywords":7},{"createBy":7,"createTime":7,"updateBy":7,"updateTime":7,"remark":7,"id":8,"siteId":7,"parentId":7,"ancestors":7,"slug":12,"name":13,"images":7,"files":7,"subtitle":7,"isHot":7,"status":7,"sort":7,"seoTitle":7,"seoDescription":7,"seoKeywords":7},{"createBy":7,"createTime":963,"updateBy":7,"updateTime":964,"remark":7,"id":965,"siteId":9,"sourceId":966,"categoryId":8,"brandId":879,"slug":967,"name":968,"code":7,"model":969,"subtitle":970,"description":971,"images":972,"files":7,"attributes":7,"price":7,"currency":7,"isHot":7,"status":10,"sort":10,"seoTitle":973,"seoDescription":974,"seoKeywords":7,"brand":975,"category":976},"2026-06-01 19:22:07","2026-06-01 19:22:06",155097,5755,"155097","PIECAL 520B 单通道热电偶校准器","520B","PIECAL 520B 热电偶模拟器可在整个工业温度范围内模拟专用标准热电偶曲线，为变送器等各类仪器输入提供**温度信号。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>PIECAL 520B 是一款专业的单通道热电偶模拟器。该设备能够在整个工业温度范围内模拟专用的标准热电偶曲线。\u003C\u002Fp>\u003Ch3>主要应用\u003C\u002Fh3>\u003Cp>PIECAL 520B 可为各类仪器输入提供**的温度信号，适用于\u003Cstrong>变送器\u003C\u002Fstrong>及其他测试设备的校准与验证。\u003C\u002Fp>\u003Ch3>核心优势\u003C\u002Fh3>\u003Cul>\u003Cli>覆盖整个工业温度范围\u003C\u002Fli>\u003Cli>提供高精度的温度模拟\u003C\u002Fli>\u003Cli>专为单通道校准设计\u003C\u002Fli>\u003C\u002Ful>","[{\"name\":\"PIECAL-520B-Type-K-without-optional-boot-e1483126580750-700x1274.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F06\u002F01\u002Fad0a8534-ab92-4a3c-8a09-78d561d7f652.jpg\",\"size\":121607,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F06\u002F01\u002Fad0a8534-ab92-4a3c-8a09-78d561d7f652.jpg\",\"url\":\"image\u002F2026\u002F06\u002F01\u002Fad0a8534-ab92-4a3c-8a09-78d561d7f652.jpg\"}]","PIECAL 520B 单通道热电偶校准器 - 高精度热电偶模拟器","PIECAL 520B 热电偶模拟器可在整个工业温度范围内模拟专用标准热电偶曲线，为变送器等各类仪器输入提供**温度信号，是工业校准的理想选择。",{"createBy":7,"createTime":7,"updateBy":7,"updateTime":7,"remark":7,"id":879,"siteId":7,"slug":889,"name":890,"country":7,"images":7,"files":7,"subtitle":7,"description":7,"status":7,"isHot":7,"sort":7,"seoTitle":7,"seoDescription":7,"seoKeywords":7},{"createBy":7,"createTime":7,"updateBy":7,"updateTime":7,"remark":7,"id":8,"siteId":7,"parentId":7,"ancestors":7,"slug":12,"name":13,"images":7,"files":7,"subtitle":7,"isHot":7,"status":7,"sort":7,"seoTitle":7,"seoDescription":7,"seoKeywords":7},{"createBy":7,"createTime":978,"updateBy":7,"updateTime":979,"remark":7,"id":980,"siteId":9,"sourceId":981,"categoryId":8,"brandId":879,"slug":982,"name":983,"code":7,"model":984,"subtitle":985,"description":986,"images":987,"files":7,"attributes":7,"price":7,"currency":7,"isHot":7,"status":10,"sort":10,"seoTitle":988,"seoDescription":989,"seoKeywords":7,"brand":990,"category":991},"2026-06-01 19:21:01","2026-06-01 19:21:00",155096,5754,"155096","PIECAL 521B 14 型热电偶校准器","521B","PIE 521B 热电偶信号源可模拟全工业温度范围内的标准热电偶曲线，为变送器、记录仪等仪器提供**温度输入，支持 14 种热电偶类型及 mV 信号输出。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>PIECAL 521B 热电偶校准器是工业温度测量领域的高精度校准设备，可模拟\u003Cstrong>14 种热电偶类型\u003C\u002Fstrong>及\u003Cstrong>mV 信号源\u003C\u002Fstrong>，覆盖全工业温度范围。\u003C\u002Fp>\u003Ch3>核心功能\u003C\u002Fh3>\u003Cul>\u003Cli>支持 J、K、T、E、R、S、B、N、C、D、G、L、U、X 等 14 种国际标准热电偶分度号\u003C\u002Fli>\u003Cli>提供高精度温度模拟输出，适用于变送器、记录仪、控制器等仪表校准\u003C\u002Fli>\u003Cli>内置 mV 信号源功能，扩展电压信号校准能力\u003C\u002Fli>\u003Cli>符合工业现场校准需求，操作简便且稳定性强\u003C\u002Fli>\u003C\u002Ful>\u003Ch3>技术参数\u003C\u002Fh3>\u003Cp>工作温度范围：-200°C 至 +1800°C（依热电偶类型而定）\u003Cbr>输出精度：±0.1°C 或±0.05% 读数\u003Cbr>显示分辨率：0.1°C\u002F0.1mV\u003Cbr>电源要求：9V 电池或外接适配器\u003C\u002Fp>","[{\"name\":\"PIECAL-521B-without-optional-boot-e1483126300456-700x1267.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F06\u002F01\u002F17dffbb0-70ac-4b84-b3b1-8249020ddc4d.jpg\",\"size\":122561,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F06\u002F01\u002F17dffbb0-70ac-4b84-b3b1-8249020ddc4d.jpg\",\"url\":\"image\u002F2026\u002F06\u002F01\u002F17dffbb0-70ac-4b84-b3b1-8249020ddc4d.jpg\"}]","PIECAL 521B 14 型热电偶校准器 - 高精度温度信号源","PIE 521B 热电偶校准器支持 14 种热电偶类型模拟，提供全温度范围高精度 mV 信号输出，适用于工业仪表校准与温度系统验证。",{"createBy":7,"createTime":7,"updateBy":7,"updateTime":7,"remark":7,"id":879,"siteId":7,"slug":889,"name":890,"country":7,"images":7,"files":7,"subtitle":7,"description":7,"status":7,"isHot":7,"sort":7,"seoTitle":7,"seoDescription":7,"seoKeywords":7},{"createBy":7,"createTime":7,"updateBy":7,"updateTime":7,"remark":7,"id":8,"siteId":7,"parentId":7,"ancestors":7,"slug":12,"name":13,"images":7,"files":7,"subtitle":7,"isHot":7,"status":7,"sort":7,"seoTitle":7,"seoDescription":7,"seoKeywords":7},{"createBy":7,"createTime":993,"updateBy":7,"updateTime":993,"remark":7,"id":994,"siteId":9,"sourceId":995,"categoryId":8,"brandId":879,"slug":996,"name":997,"code":7,"model":998,"subtitle":999,"description":1000,"images":1001,"files":7,"attributes":7,"price":7,"currency":7,"isHot":7,"status":10,"sort":10,"seoTitle":1002,"seoDescription":1003,"seoKeywords":7,"brand":1004,"category":1005},"2026-06-01 19:20:38",155095,5753,"155095","PIECAL 525Plus 诊断型温度和 mA 校准器","525Plus","集三种校准器于一身，支持热电偶、RTD 及毫安回路校准，具备接地泄漏检测功能，精准诊断回路问题。","\u003Ch3>通过接地泄漏检测发现隐藏回路问题\u003C\u002Fh3>\u003Cp>如果您发现回路中的变送器校准正确，但回路中其他位置的读数均存在固定偏移，这通常是由于零点漂移造成的。这种零点漂移通常是由回路中的部分电流绕过变送器引起的。这可能是由接地故障、潮湿或腐蚀造成的。\u003C\u002Fp>\u003Cp>开启接地泄漏检测功能并使用 PIE 525Plus 为回路供电。任何不受变送器或其他电流控制元件控制的电流都将在校准器显示屏上显示为泄漏电流。\u003C\u002Fp>\u003Ch3>回路诊断中发现的典型问题\u003C\u002Fh3>\u003Cimg alt=\"回路诊断中发现的典型问题\" class=\"wd-lazy-fade alignnone wp-image-998 size-medium\" height=\"91\" src=\"https:\u002F\u002Fpiecal.com\u002Fwp-content\u002Fthemes\u002Fwoodmart\u002Fimages\u002Flazy.svg\" width=\"300\">\u003Cbr>\u003Cp>这是一个技术人员刚刚重新校准了变送器但控制室仍然发现问题的回路。问题刚刚在一场暴雨后开始出现。\u003C\u002Fp>\u003Cimg alt=\"使用 PIE 525Plus 为回路供电，技术人员检测到 0.51 mA 的泄漏\" class=\"wd-lazy-fade alignnone wp-image-997 size-medium\" height=\"117\" src=\"https:\u002F\u002Fpiecal.com\u002Fwp-content\u002Fthemes\u002Fwoodmart\u002Fimages\u002Flazy.svg\" width=\"300\">\u003Cbr>\u003Cp>使用 PIE 525Plus 为回路供电，技术人员检测到 0.51 mA 的泄漏——与控制室看到的偏移量相同。他沿回路检查并打开一个接线盒，释放出一股水流。回路再次恢复控制。点击下方链接查看回路诊断操作的视频演示。\u003C\u002Fp>\u003Ch3>回路诊断视频演示\u003C\u002Fh3>","[{\"name\":\"525Plus-Source-RTD-PM-Leak-700x1304.jpg\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F06\u002F01\u002F238a0661-1f43-40c4-a72b-6f3ab7b0c4ff.jpg\",\"size\":78559,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F06\u002F01\u002F238a0661-1f43-40c4-a72b-6f3ab7b0c4ff.jpg\",\"url\":\"image\u002F2026\u002F06\u002F01\u002F238a0661-1f43-40c4-a72b-6f3ab7b0c4ff.jpg\"}]","PIECAL 525Plus 诊断型温度和 mA 校准器 - 多功能回路诊断工具","PIECAL 525Plus 集热电偶、RTD 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19:16:54",155094,5752,"155094","PIECAL 511B 10 型 RTD 校准器","511B","PIECAL 511B 是一款 10 型 RTD 加欧姆模拟器，可向变送器、记录仪、控制器等各类过程仪器模拟 RTD 电阻信号，便于系统校准与测试。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>PIE Model 511B 能够模拟 RTD 电阻信号输入到所有类型的过程仪器中，包括\u003Cstrong>变送器\u003C\u002Fstrong>、\u003Cstrong>记录仪\u003C\u002Fstrong>、\u003Cstrong>控制器\u003C\u002Fstrong>、\u003Cstrong>报警器\u003C\u002Fstrong>、\u003Cstrong>数据采集\u003C\u002Fstrong>和\u003Cstrong>计算机系统\u003C\u002Fstrong>。\u003C\u002Fp>\u003Ch3>主要功能\u003C\u002Fh3>\u003Cul>\u003Cli>支持 10 种类型 RTD 模拟\u003C\u002Fli>\u003Cli>集成 Ohms 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