{"product_id":"1788-mchkr-allen-bradley-linking-devices-media-checker","title":"1788-MCHKR | Allen-Bradley | Linking Devices Media Checker","description":"\u003ch4\u003eProduct Overview\u003c\/h4\u003e\n\u003cp\u003eThe Allen-Bradley 1788-MCHKR serves as an essential handheld diagnostic tool for industrial network maintenance and commissioning. This versatile media checker rapidly identifies cable failures and measures wire length across multiple industrial protocols, including Ethernet, ControlNet, DeviceNet, DH+, and RIO. Powered by two standard AA alkaline batteries, it delivers up to 50 hours of continuous operation in the field. We supply this item as a 100% Brand New, factory-sealed unit.\u003c\/p\u003e\n\u003ch4\u003ePart Number Breakdown\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e1788:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIdentifies the 1788 Linking Devices product family.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMCHK:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDenotes the Media Checker function.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eR:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSpecifies the hardware revision or regional variant.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth align=\"left\"\u003eParameter\u003c\/th\u003e\n\u003cth align=\"left\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eAllen-Bradley (Rockwell Automation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eHandheld Media Checker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eSupported Networks\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eEthernet, ControlNet, DeviceNet, DH+, RIO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eInput Connectors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eRJ45, DB-9, BNC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eEthernet Cable Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e1 - 350 meters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eEthernet Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e0.5 meters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eControlNet Cable Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e1 - 650 meters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eDisplay Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e2-Line, 16-Character LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003ePower Requirements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eTwo AA 1.5V Alkaline Batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eTypical Battery Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e50 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e0°C to +45°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eEngineering Advantages\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eMulti-Protocol Network Diagnostics\u003c\/strong\u003e\u003cbr\u003eThe 1788-MCHKR simplifies field maintenance by supporting a wide array of legacy and modern industrial networks. Technicians can use a single device to troubleshoot Ethernet (UTP\/FTP), ControlNet (RG6\/RG6F), DeviceNet (Thick\/Thin), and legacy DH+\/RIO cables. This versatility eliminates the need to carry multiple specialized testers, reducing toolbag weight and streamlining troubleshooting workflows.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePrecise Cable Fault Detection and Length Measurement\u003c\/strong\u003e\u003cbr\u003eThis media checker accurately detects common cable failures such as opens, shorts, and miswires. It provides precise length measurements with a 0.5-meter resolution for Ethernet cables up to 350 meters and ControlNet cables up to 650 meters. Knowing the exact location of a fault or the total length of a cable run helps engineers quickly replace damaged sections and verify compliance with network physical layer specifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRugged Portable Design\u003c\/strong\u003e\u003cbr\u003eDesigned for the demanding industrial environment, the 1788-MCHKR operates reliably in temperatures ranging from 0°C to 45°C. Its handheld form factor and intuitive interface—featuring Enter, Up, Down, and Setup buttons alongside a clear 16-character LCD—allow technicians to perform rapid wire mapping and continuity tests directly on the factory floor without needing a laptop or external power source.\u003c\/p\u003e\n\u003ch4\u003eFAQs\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which types of industrial cables can the 1788-MCHKR test?\u003c\/strong\u003e\u003cbr\u003eA: This media checker supports a broad range of cables. It tests Ethernet (UTP\/FTP), ControlNet (RG6, RG6F, DS3\/4), DeviceNet (Thick, Thin, KwikLink), and legacy DH+\/RIO cables (1770-CD, 9022, 9463).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How accurate is the cable length measurement?\u003c\/strong\u003e\u003cbr\u003eA: For Ethernet cables, the device offers a high resolution of 0.5 meters. It can measure Ethernet cable lengths from 1 to 350 meters and ControlNet cable lengths from 1 to 650 meters, helping you pinpoint faults with high precision.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What kind of power source does the 1788-MCHKR use?\u003c\/strong\u003e\u003cbr\u003eA: The unit is powered by two standard AA 1.5V alkaline batteries. These provide excellent portability and typically last for about 50 hours of typical operation, ensuring the tool is ready for full-day field use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What connectors are available on the device?\u003c\/strong\u003e\u003cbr\u003eA: The media checker is equipped with versatile input connectors to match various industrial cables, including an RJ45 jack for Ethernet, a DB-9 port for DeviceNet\/DH+\/RIO, and a BNC connector for ControlNet coaxial cables.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52887005102389,"sku":"1788-MCHKR","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1788-MCHKR.png?v=1778815438","url":"https:\/\/www.5gplc.com\/products\/1788-mchkr-allen-bradley-linking-devices-media-checker","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}