{"product_id":"74712-03-10-02-00-bently-nevada-high-temperature-two-wire-transducer-seismoprobe-velocity-transducer-systems","title":"74712-03-10-02-00 Bently Nevada High-temperature Two-wire Transducer Seismoprobe Velocity Transducer Systems","description":"\u003cp\u003eConfigured for absolute structural vibration measurement in rotating machinery casing systems, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 74712-03-10-02-00\u003c\/strong\u003e, also cataloged as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e74712\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh-temperature Two-wire Transducer, provides direct physical\/electrical execution. This self-powered moving-coil device translates mechanical velocity directly into a proportional voltage output without external excitation power, optimizing it for high-temperature turbine casings and industrial compressor bearing housings where solid-state electronics fail.\u003c\/p\u003e\n\u003ch3\u003eConfiguration Options Breakdown\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e74712\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e: Base Model Number for Seismoprobe High-temperature Velocity Transducer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-03\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e: Minimum Operating Frequency Option: 90 +\/- 2.5 Hz (270 cpm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-10\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e: Mounting Base Option: Circular; M10X1 threaded stud\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-02\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e: Connector Option: Top Mount integral electrical interface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e: Agency Approval Option: Standard configuration without hazardous area certifications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComponent Parameters\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e74712-03-10-02-00\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBently Nevada\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.16 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e18 x 18 x 1.5 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-54 deg C to +204 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSelf-powered (Zero external electrical excitation required)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTechnology\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMoving-coil electromechanical system\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFrequency Response\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.5 Hz to 2000 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTransducer Orientation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e90 deg +\/- 2.5 deg from horizontal\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting Torque\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.6 N m (50 in lb) maximum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTariff Code\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8537101190\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eRotor Dynamics and Cross-Talk Suppression\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e74712-03-10-02-00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eleverages specific internal moving-coil geometries engineered to suppress electromagnetic cross-talk when mounted in multi-bearing turbomachinery trains. Unlike solid-state accelerometers that rely on embedded integration electronics and generate excessive high-frequency noise near high-voltage generators, this transducer utilizes passive electromotive force to evaluate low-frequency machine casing vibration. The internal coil damping coefficients are factory-calibrated to map rotor dynamic tracking thresholds effectively without phase distortion, avoiding the high-frequency saturation issues typically caused by structural impulsive excitation.\u003c\/p\u003e\n\u003ch3\u003ePackage Manifest\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Bently Nevada 74712-03-10-02-00 Transducer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 x M10x1 Threaded Mounting Stud\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Industrial Protective Cap for Top Connector\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSite Deployment Manual\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSurface Preparation\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eThe casing mounting surface must be machined flat and clean within a surface roughness profile of 0.8 micrometers to prevent high-frequency mechanical signal attenuation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOrientation Alignment\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eAlign the transducer axis precisely within 2.5 deg of its vertical orientation to guarantee the rated 4.5 Hz low-frequency limit performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTorque Constraints\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eEmploy a calibrated torque wrench to fix the M10x1 base stud to exactly 5.6 N m; over-torquing will introduce mechanical stress inside the transducer shell.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSignal Wiring\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eConnect the device using a 2-wire shielded 22 AWG twisted pair cable, terminating the outer shield at the system monitor instrumentation ground plate only.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Support FAQ\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDoes this velocity transducer require an external power supply or charge amplifier?\u003c\/p\u003e\n\u003cp\u003eNo. The device uses moving-coil technology, making it completely self-powered and capable of generating its own voltage output relative to vibration velocity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the proper polarity assignment for the two-wire system?\u003c\/p\u003e\n\u003cp\u003ePin A acts as positive relative to Pin B when the casing vibration moves the transducer housing towards the integral connector assembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan this device replace a solid-state accelerometer on high-impulse machinery?\u003c\/p\u003e\n\u003cp\u003eYes. Moving-coil units are inherently less sensitive to impulse spikes and high-frequency noise than accelerometers containing embedded integration circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow should the shield wire of the interconnecting cable be grounded?\u003c\/p\u003e\n\u003cp\u003eThe cable shield must be left ungrounded at the transducer end and securely connected to the instrument common ground at the TSI rack terminal strip.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat happens if the sensor is mounted at a 45 degree angle instead of vertical?\u003c\/p\u003e\n\u003cp\u003eMounting beyond the specified 90 deg +\/- 2.5 deg vertical envelope will cause internal coil misalignment, distorting the low-frequency limit response.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs it safe to perform an insulation resistance test on the internal coils?\u003c\/p\u003e\n\u003cp\u003eYes, but high-voltage megohmmeter testing should not exceed the factory insulation ratings to prevent damaging the internal wire insulation wrap.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes this particular configuration carry ATEX or IECEx hazardous location approvals?\u003c\/p\u003e\n\u003cp\u003eNo. The -00 agency option designates a standard non-certified configuration intended for general industrial, non-hazardous deployment zones.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat are the consequences of exceeding the 5.6 N m mounting torque specification?\u003c\/p\u003e\n\u003cp\u003eOver-torquing can deform the circular mounting base geometry, leading to internal moving-coil friction and severe signal distortion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":46026169778349,"sku":"74712-03-10-02-00","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/74712-03-10-02-003.jpg?v=1784119612","url":"https:\/\/www.maxwellplc.com\/ru\/products\/74712-03-10-02-00-bently-nevada-high-temperature-two-wire-transducer-seismoprobe-velocity-transducer-systems","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}