{"product_id":"bently-nevada-21747-080-00-7200-series-extension-cable-datasheet","title":"Bently Nevada 21747-080-00 7200 Series Extension Cable Datasheet","description":"\u003ch2\u003eBently Nevada 21747-080-00 Proximitor Extension Cable\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 21747-080-00\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e21747-080-00\u003c\/strong\u003e Proximitor Extension Cable, operates as a dedicated hardware component for signal transmission between a proximity probe and the monitoring system. This cable maintains specific electrical impedance profiles to ensure signal integrity within rotating machinery protection platforms.\u003c\/p\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\u003e21747-080-00\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\u003e1.5 - 2.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e8.0 m length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-51 deg C to +177 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eN\/A (Passive component)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Jacket\u003c\/td\u003e\n\u003ctd\u003eOil-resistant polymer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArmor\u003c\/td\u003e\n\u003ctd\u003eNone (Non-armored)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eMechanical Monitoring and TSI Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e21747-080-00\u003c\/strong\u003e functions as a passive link within a 7200-series eddy-current measurement chain. Proper system calibration necessitates maintaining the factory-defined impedance match to prevent measurement errors. When configuring these circuits, technicians must verify gap voltage targets typically set at -10 VDC at the monitor input. Furthermore, the cable geometry facilitates high-frequency signal propagation required for accurate rotor dynamics analysis. Installers must minimize cable coiling near high-voltage conduits to suppress signal cross-talk, ensuring that the induced noise floor remains below the thresholds required for vibration displacement monitoring.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the cable length affect the Proximitor system calibration?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The 8-meter length is factory-calibrated for specific impedance characteristics. Replacing a cable of a different length requires a recalibration of the probe-to-monitor loop to maintain accuracy.\u003c\/p\u003e\n\u003cp\u003eQ: Can this cable be used in high-vibration machinery?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The cable design withstands mechanical stress typical of turbine decks and compressor skids; however, installers must secure the cable using standard clamps to prevent fatigue-induced conductor breakage.\u003c\/p\u003e\n\u003cp\u003eQ: What precautions are necessary for the connectors?\u003c\/p\u003e\n\u003cp\u003eA: Keep the factory-terminated connectors clean and free of moisture. Apply a small amount of non-conductive electrical contact cleaner if oxidation occurs during maintenance, and verify that the locking collars are fully engaged.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eRouting:\u003c\/strong\u003e Route the extension cable through rigid or flexible conduit to protect the polymer jacket from sharp edges and abrasive surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Maintain the continuity of the shield and ensure that the monitoring system chassis provides a low-impedance ground reference to mitigate electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTermination:\u003c\/strong\u003e Align the keyed connectors carefully before tightening the coupling nut. Apply hand torque only; avoid using pliers which may crack the connector housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Constraints:\u003c\/strong\u003e Verify that the routing path remains within the -51 deg C to +177 deg C range, avoiding direct contact with high-temperature steam lines or exhaust manifolds.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":43853809778787,"sku":"21747-080-00","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/216..jpg?v=1764050185","url":"https:\/\/www.autocontrolglobal.com\/products\/bently-nevada-21747-080-00-7200-series-extension-cable-datasheet","provider":"AutoControl Global","version":"1.0","type":"link"}