{"product_id":"bently-nevada-27490-1040-01-radiation-resistant-extension-cable","title":"Bently Nevada 27490-1040-01 Radiation Resistant Extension Cable","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eBently Nevada 27490-1040-01\u003c\/span\u003e\u003c\/strong\u003e is a specialized 0.300-inch radiation-resistant extension cable for critical rotating machinery. Engineers deploy the \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e27490 Series\u003c\/span\u003e\u003c\/strong\u003e to connect XL Radiation Resistant Proximity Probes to Proximitor Sensors inside gamma-radiation zones.\u003c\/p\u003e\n\u003cp\u003eThis specific assembly spans \u003cstrong\u003e104.0 feet (31.70 meters)\u003c\/strong\u003e and integrates flexible stainless steel armor with a \u003cstrong\u003eTefzel outer jacket\u003c\/strong\u003e. It prevents signal degradation, chemical corrosion, and radiation embrittlement in nuclear power plants and extreme industrial environments.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eOrdering Configuration Breakdown\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBase Series (\u003cspan style=\"color: #0056b3;\"\u003e27490\u003c\/span\u003e):\u003c\/strong\u003e 0.300-inch Radiation Resistant Extension Cable Family\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCable Length Option (\u003cspan style=\"color: #0056b3;\"\u003e1040\u003c\/span\u003e):\u003c\/strong\u003e Exact total span of \u003cstrong\u003e104.0 feet (31.70 meters)\u003c\/strong\u003e\n\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eArmor Option (\u003cspan style=\"color: #0056b3;\"\u003e01\u003c\/span\u003e):\u003c\/strong\u003e Equipped with \u003cstrong\u003eflexible stainless steel armor\u003c\/strong\u003e and a Tefzel outer jacket\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/th\u003e\n      \u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n      \u003cth\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eIdentification\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eBrand \u0026amp; Model\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eBently Nevada 27490-1040-01\u003c\/span\u003e\u003c\/strong\u003e (\u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e27490 Series\u003c\/span\u003e\u003c\/strong\u003e)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePhysical Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eCable Length \u0026amp; Profile\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cstrong\u003e104.0 feet (31.70 meters)\u003c\/strong\u003e; 0.300-inch outer profile\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eElectrical Impedance\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eCenter Conductor DC Resistance (Rcore)\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cstrong\u003e0.36 Ω\/m (0.11 Ω\/ft)\u003c\/strong\u003e nominal\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eElectrical Impedance\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eShield Conductor DC Resistance (Rjacket)\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cstrong\u003e0.023 Ω\/m (0.007 Ω\/ft)\u003c\/strong\u003e nominal\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSignal Transmission\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eDistributed Capacitance\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cstrong\u003e63 pF\/m (19.2 pF\/ft)\u003c\/strong\u003e nominal\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSystem Performance\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eMeasurement Range \u0026amp; Linearity\u003c\/td\u003e\n      \u003ctd\u003eDetermined by matched \u003cstrong\u003eXL Radiation Resistant Proximity Probe\u003c\/strong\u003e and sensor system\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSystem Performance\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSensitivity \u0026amp; Resolution\u003c\/td\u003e\n      \u003ctd\u003eMaintains calibrated micro-displacement sensitivity without impedance drift\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eFrequency \u0026amp; Distance\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eFrequency Response \u0026amp; Max Field Wiring\u003c\/td\u003e\n      \u003ctd\u003eSupports up to \u003cstrong\u003e305 meters (1,000 feet)\u003c\/strong\u003e; check roll-off curves at high frequencies\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eThermal Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n      \u003ctd\u003e\u003cstrong\u003e-29°C to +150°C (-20°F to +302°F)\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMechanical Durability\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eMaximum Rated Tensile Strength\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cstrong\u003e133 N (30.0 lbs)\u003c\/strong\u003e across probe case, leads, and connectors\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eEnvironmental \u0026amp; EMI\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eArmor, Jacket \u0026amp; Anti-Interference\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cstrong\u003eStainless steel armor\u003c\/strong\u003e, \u003cstrong\u003eTefzel jacket\u003c\/strong\u003e, gold-plated brass connectors, triaxial shielding\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e\u003cstrong\u003eInstallation Guidelines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnector Mating:\u003c\/strong\u003e Hand-tighten the \u003cstrong\u003egold-plated brass connectors\u003c\/strong\u003e to establish solid shield contact and prevent pin damage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eField Wiring Selection:\u003c\/strong\u003e Route \u003cstrong\u003e0.2 to 1.5 mm² (16 to 24 AWG)\u003c\/strong\u003e 3-conductor shielded triaxial cable between the Proximitor sensor and monitor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable Routing:\u003c\/strong\u003e Secure the armored jacket with industrial clamps and respect minimum bend radii to avoid conductor stress.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength Preservation:\u003c\/strong\u003e Never cut or splice the \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e27490-1040-01\u003c\/span\u003e\u003c\/strong\u003e in the field, as altering length ruins system capacitance calibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCommissioning and Maintenance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eZero-Gap Verification:\u003c\/strong\u003e Measure DC gap voltage at the Proximitor output using a high-impedance multimeter during startup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLoop Resistance Checks:\u003c\/strong\u003e Test center and shield DC resistance values against nominal specs to detect loose connections early.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnector Inspection:\u003c\/strong\u003e Clean gold-plated brass threads before mating to eliminate particulate contamination and signal noise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eSystem Compatibility and Compliance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Compatibility:\u003c\/strong\u003e Engineered exclusively for \u003cstrong\u003eBently Nevada XL Radiation Resistant Proximity Probes\u003c\/strong\u003e and \u003cstrong\u003eXL Proximitor Sensors\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality Assurance:\u003c\/strong\u003e Manufactured to strict Bently Nevada industrial quality standards for continuous gamma-radiation service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOne factory-terminated \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eBently Nevada 27490-1040-01\u003c\/span\u003e\u003c\/strong\u003e Armored Extension Cable (104.0 ft)\u003c\/li\u003e\n  \u003cli\u003eProtective connector dust caps and factory test documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eModel Selection Comparison \u0026amp; Engineering Advice\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/th\u003e\n      \u003cth\u003e\u003cstrong\u003eCable Length\u003c\/strong\u003e\u003c\/th\u003e\n      \u003cth\u003e\u003cstrong\u003eArmor Protection\u003c\/strong\u003e\u003c\/th\u003e\n      \u003cth\u003e\u003cstrong\u003eRecommended Engineering Application\u003c\/strong\u003e\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e27490-1040-01\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e\u003cstrong\u003e104.0 feet (31.70 meters)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eStainless steel with Tefzel jacket\u003c\/td\u003e\n      \u003ctd\u003eLong-distance routing from high-radiation reactor zones to remote Proximitor housings.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003ca href=\"https:\/\/www.plcsparehub.com\/products\/bently-nevada-27490-0090-01-radiation-resistant-extension-cable\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e27490-0090-01\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003e\u003cstrong\u003e9.0 feet (2.74 meters)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eStainless steel with Tefzel jacket\u003c\/td\u003e\n      \u003ctd\u003eShort-drop connections where Proximitor junction boxes sit directly beside the machine casing.\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Selection Advice:\u003c\/strong\u003e Match the extension cable length strictly to your calibrated Proximitor system length. Choose the \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e27490-1040-01\u003c\/span\u003e\u003c\/strong\u003e when you must locate the Proximitor sensor far outside high-radiation or high-heat zones. Select the \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/bently-nevada-27490-0090-01-radiation-resistant-extension-cable\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e27490-0090-01\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e for compact local junction box installations to eliminate excess coiled cable.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n    \u003cp\u003e\u003cstrong\u003eQ: How do I prevent ground loops when wiring this long extension cable?\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp\u003eA: Ground the 3-conductor shielded triaxial field wiring strictly at the monitor end to eliminate common-mode noise.\u003c\/p\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cp\u003e\u003cstrong\u003eQ: Does the 104-foot cable length affect high-frequency vibration readings?\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp\u003eA: The extension cable matches the calibrated system, but long field wiring beyond the Proximitor causes high-frequency signal roll-off.\u003c\/p\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cp\u003e\u003cstrong\u003eQ: Why is Tefzel used over standard PVC jackets in radiation environments?\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp\u003eA: Standard PVC cracks and turns brittle under gamma radiation, whereas Tefzel resists radiation, acids, and industrial solvents.\u003c\/p\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cp\u003e\u003cstrong\u003eQ: Can I coil excess cable inside the junction box if 104 feet is slightly too long?\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp\u003eA: Yes, coil excess armored cable loosely above the minimum bend radius without kinking or cutting the conductors.\u003c\/p\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cp\u003e\u003cstrong\u003eQ: How do I select between armored (-01) and unarmored (-00) options?\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp\u003eA: Always specify the \u003cstrong\u003e-01 armored option\u003c\/strong\u003e when routing cables through open trays, vibrating machinery frames, or washdown areas.\u003c\/p\u003e\n  \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":68057513885878,"sku":"27490-1040-01","price":136.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/27490-0370-00_4df78b8c-b752-4267-b3f4-4d655a1e07d7.jpg?v=1794538142","url":"https:\/\/www.plcsparehub.com\/products\/bently-nevada-27490-1040-01-radiation-resistant-extension-cable","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}