{"product_id":"bently-nevada-2789-204-7200-series-proximity-probe-extension-cable","title":"Bently Nevada 2789-204 7200 Series Proximity Probe Extension Cable","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDesigned specifically for integration within industrial machinery protection systems, the \u003cstrong\u003eBently Nevada 2789-204\u003c\/strong\u003e provides critical low-loss coaxial signal transmission between proximity probes and proximitor sensors. This high-reliability extension cable features a \u003cstrong\u003e17-foot (5.2-meter) length\u003c\/strong\u003e with an engineered \u003cstrong\u003e95-ohm characteristic impedance\u003c\/strong\u003e to prevent signal attenuation and phase distortion. Constructed with a fluid-resistant outer jacket, the cable is built to withstand continuous exposure to industrial lubricants, synthetic oils, and moisture in harsh turbine and compressor environments.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 1px solid #2b6cb0; padding-bottom: 0.25rem;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched 95-Ohm Impedance:\u003c\/strong\u003e Specifically tuned for legacy 7200 Series 5mm and 8mm proximity transducer systems to ensure system-wide calibration accuracy.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChemical-Resistant Jacket:\u003c\/strong\u003e Extruded fluoropolymer insulation protects internal conductors against chemical breakdown from hydraulic fluids and industrial solvents.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGold-Plated Connectors:\u003c\/strong\u003e High-performance miniature coaxial connectors ensure corrosion resistance and minimal contact resistance over decades of operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRobust Environmental Protection:\u003c\/strong\u003e Designed to maintain physical and electrical integrity across extreme temperature gradients.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 1px solid #2b6cb0; padding-bottom: 0.25rem;\"\u003eIndustrial Applications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eSteam turbine radial vibration and axial thrust monitoring.\u003c\/li\u003e\n  \u003cli\u003eCentrifugal compressor shaft displacement sensing.\u003c\/li\u003e\n  \u003cli\u003eHigh-speed industrial pump shaft relative vibration analysis.\u003c\/li\u003e\n  \u003cli\u003eHydroelectric generator air gap and shaft runout detection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 1px solid #2b6cb0; padding-bottom: 0.25rem;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0; text-align: left;\"\u003e\n        \u003cth style=\"padding: 0.5rem; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 0.5rem; font-weight: bold;\"\u003eValue \/ Specification\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eBently Nevada (Baker Hughes)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eModel \/ Article Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e2789-204\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eSystem Compatibility\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e7200 Series 5mm and 8mm Proximity Transducer Systems\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eCable Length\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e17.0 Feet (5.2 Meters)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eSystem Impedance\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e95 Ohms (Nominal)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eArmoring Option\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eNon-Armored standard coaxial extension\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eOperating Temperature Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e-35 to +177 degC (-31 to +350 degF)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eMinimum Bend Radius\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e25.4 mm (1.0 inch)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eUnited States (U.S.A.)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 2.0 kg (4.4 lbs) including protective packaging.\"\u003e2.0 kg (4.4 lbs)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 1px solid #2b6cb0; padding-bottom: 0.25rem;\"\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0; text-align: left;\"\u003e\n        \u003cth style=\"padding: 0.5rem; font-weight: bold;\"\u003eConnection Side\u003c\/th\u003e\n        \u003cth style=\"padding: 0.5rem; font-weight: bold;\"\u003eConnector Interface Type\u003c\/th\u003e\n        \u003cth style=\"padding: 0.5rem; font-weight: bold;\"\u003eMating Component\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eProximity Probe Side\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eMiniature Coaxial Female Connector\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eMatches coaxial male plug on 7200 Series proximity probe leads\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eProximitor Side\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eMiniature Coaxial Male Plug\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eConnects to the female BNC\/Coaxial input terminal on 7200 Series Proximitors\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 1px solid #2b6cb0; padding-bottom: 0.25rem;\"\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe 2789-204 extension cable is specifically designed for the legacy \u003cstrong\u003e7200 Series\u003c\/strong\u003e proximity systems. Note that it is electrically and physically incompatible with newer 3300 XL systems, which require 75-ohm impedance cables. Attempting to cross-connect 7200 and 3300 series transducers will disrupt the proximitor linear output curve, resulting in incorrect measurement readings.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 1px solid #2b6cb0; padding-bottom: 0.25rem;\"\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen laying out your vibration loop, always verify that the total physical length of the system (probe lead plus extension cable) matches the exact calibration profile of the Proximitor (typically 5.0 meters or 9.0 meters). Using a 17-foot (approx. 5.2m) cable inside a system calibrated for a different overall length will lead to significant voltage-to-distance conversion offsets.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 1px solid #2b6cb0; padding-bottom: 0.25rem;\"\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003ePrior to mating, ensure the miniature coaxial connectors are completely clean and dry. Use dedicated connector protector sleeves (silicone or heat-shrink tubing) over mated connections inside junction boxes to prevent moisture ingress, which can create ground loops and skew dynamic vibration signals.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 1px solid #2b6cb0; padding-bottom: 0.25rem;\"\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem; border-radius: 4px;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 0.5rem;\"\u003eCRITICAL WARNING\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eBefore performing cable replacement or maintenance, completely bypass or disable all automatic machine shutdown and control loop actions associated with the TSI (Turbine Supervisory Instrumentation) system. Unplugging active sensor cables can cause signal spikes that trigger false emergency trips on critical machinery.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 1.75rem; height: 1.75rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 0.15rem;\"\u003eRoute the extension cable through clean, dedicated steel conduits to isolate the dynamic sensor signal from heavy AC power lines or high-frequency motor drives.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 1.75rem; height: 1.75rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 0.15rem;\"\u003eConnect the coaxial joint hand-tight, then secure it using Bently Nevada recommended torque or connector termination tools. Do not apply excess force.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 1.75rem; height: 1.75rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 0.15rem;\"\u003eEnsure the bend radius of the cable routing does not drop below 25.4 mm (1 inch) at any point along the conduit run to prevent coaxial shielding degradation.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668297707883,"sku":"2789-204","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/2789-204-jin4sbypyvw_0dd425ee-fd1e-4815-8c03-b67817ec1b38.jpg?v=1765520454","url":"https:\/\/www.plcprotech.com\/products\/bently-nevada-2789-204-7200-series-proximity-probe-extension-cable","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}