{"product_id":"89477-27-bently-nevada-330500-330525-series-interconnect-cable","title":"89477-27 Bently Nevada 330500 \/ 330525 Series Interconnect Cable","description":"\u003cp\u003eConfigured for routing analog AC velocity signals from piezo-velocity sensors to machinery protection monitors in Turbomachinery Instrument (TSI) monitoring loops, the \u003cstrong\u003eBently Nevada 89477-27\u003c\/strong\u003e (\u003cstrong\u003e89477\u003c\/strong\u003e Interconnect Cable) provides direct physical\/electrical execution. It connects 330500 and 330525 Velomitor Piezo-Velocity sensors or 21128 housings directly to the input terminals of TSI monitoring racks.\u003c\/p\u003e\n\u003ch3\u003ePart Number Code Structure\u003c\/h3\u003e\n\u003cp\u003eThe ordering configuration for the 89477-27 interconnect cable specifies the structural and physical length limits of the assembly:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e89477\u003c\/strong\u003e: Base model identification for the 2-conductor shielded twisted-pair cable with a right-angle plug connector.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-27\u003c\/strong\u003e: Specifies the nominal cable length option, designating a 27-foot (approx. 8.2 meters) assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e89477-27\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e25.0 x 25.0 x 3.0 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +100 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive (0 W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductors\u003c\/td\u003e\n\u003ctd\u003e2 x 18 AWG (0.82 mm2) stranded copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShielding\u003c\/td\u003e\n\u003ctd\u003eBraided copper with drain wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type A\u003c\/td\u003e\n\u003ctd\u003eRight-angle 2-socket plug connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type B\u003c\/td\u003e\n\u003ctd\u003eTerminal lugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharacteristic Impedance\u003c\/td\u003e\n\u003ctd\u003e95 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacitance\u003c\/td\u003e\n\u003ctd\u003eLess than or equal to 45 pF\/m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Resistance\u003c\/td\u003e\n\u003ctd\u003eLess than or equal to 22 ohm\/1000 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Bend Radius\u003c\/td\u003e\n\u003ctd\u003e75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eRotor Dynamics Signal Integrity \u0026amp; Impedance Stabilization\u003c\/h3\u003e\n\u003cp\u003eIn high-vibration rotating machinery environments, maintaining signal integrity over the interconnect link is necessary for precise rotor dynamics tracking. The 89477-27 cable features a balanced 95 ohm characteristic impedance paired with low capacitance (less than or equal to 45 pF\/m) to prevent signal attenuation and phase shifts of high-frequency casing vibration components.\u003c\/p\u003e\n\u003cp\u003eThe stranded copper conductors and braided shield provide high immunity against electromagnetic interference (EMI) and signal cross-talk suppression from adjacent high-voltage lines. This mechanical and electrical isolation guarantees that the dynamic AC waveform remains undistorted as it travels from the transducer to the TSI backplane.\u003c\/p\u003e\n\u003ch3\u003eIncluded Hardware Checklist\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Bently Nevada 89477-27 Interconnect Cable (27-foot overall length)\u003c\/li\u003e\n\u003cli\u003e1 x Pre-installed right-angle 2-socket female plug (sensor termination)\u003c\/li\u003e\n\u003cli\u003e2 x Terminal lugs (pre-crimped at monitor termination end)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation \u0026amp; Shield Grounding Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMinimum Bend Radius Configuration\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDuring installation, ensure the cable routing trajectory maintains a physical bend radius of at least 75 mm. Bending the cable beyond this limit can fracture the internal shielding layer and strain the 18 AWG copper conductors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShield Grounding Method\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe outer shield drain wire must be terminated at the machinery protection monitor chassis ground only. The shield must be left floating and insulated at the sensor\/transducer housing end to prevent the formation of ground loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation with 21128 Housing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen feeding the cable into a 21128 Velocity Transducer Housing, verify the right-angle plug fits securely into the mating sensor socket without exerting lateral mechanical tension on the connection boot.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCan this cable be used with eddy-current proximity probes?\u003c\/p\u003e\n\u003cp\u003eNo. Proximity probes require matched impedance coaxial cables. The 89477-27 is a twisted-pair shielded cable designed for piezo-velocity sensors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the minimum allowable bend radius for routing?\u003c\/p\u003e\n\u003cp\u003eThe cable must be routed with a bend radius of 75 mm or greater to prevent damage to the inner conductors and braided shielding.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow should the shield of this interconnect cable be terminated?\u003c\/p\u003e\n\u003cp\u003eThe shield should be grounded at the monitor end only. Leave it floating at the transducer housing end to avoid creating ground loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the maximum operating temperature for this cable?\u003c\/p\u003e\n\u003cp\u003eThe cable has an operating temperature rating of -40 deg C to +100 deg C, making it suitable for hot industrial environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes this cable support hot-swapping at the sensor end?\u003c\/p\u003e\n\u003cp\u003eYes, but disconnecting the cable while the channel is active will cause the connected monitor to trip into a \"NOT OK\" or sensor fault status.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the cross-sectional area of the conductors?\u003c\/p\u003e\n\u003cp\u003eThe cable uses two 18 AWG conductors, with each conductor having a cross-sectional area of 0.82 mm2 of stranded copper.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan this cable be routed through liquid conduit?\u003c\/p\u003e\n\u003cp\u003eThe cable can be run in conduit, but it must not be permanently submerged in liquids as it is not rated for continuous submersion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the DC resistance limit of this cable?\u003c\/p\u003e\n\u003cp\u003eThe DC resistance is specified at less than or equal to 22 ohms per 1000 feet, which ensures minimal signal loss over maximum lengths.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":46025237168301,"sku":"89477-27","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/xian--3_e33b5138-516d-43e2-8c84-842b50aac1db.jpg?v=1784275407","url":"https:\/\/www.maxwellplc.com\/ga\/products\/89477-27-bently-nevada-330500-330525-series-interconnect-cable","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}