{"product_id":"74712-06-05-03-00-bently-nevada-74712-seismoprobe-velocity-transducer","title":"74712-06-05-03-00 Bently Nevada 74712 Seismoprobe Velocity Transducer","description":"\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 74712-06-05-03-00\u003c\/strong\u003e, also cataloged as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e74712\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSeismoprobe Velocity Transducer, operates as a dedicated hardware component for absolute vibration measurement within rotating machinery monitoring systems.\u003c\/p\u003e\n\u003ch3\u003eCatalog Designation and Mechanical Construction\u003c\/h3\u003e\n\u003cp\u003eThe 74712-06-05-03-00 is a two-wire moving-coil velocity transducer. It utilizes an electromechanical design to generate a voltage output proportional to vibration velocity, serving as a primary sensor for casing or structural vibration monitoring. This model is configured for high-temperature applications where solid-state sensors may be prone to failure due to thermal degradation or sensitivity to impulsive excitation.\u003c\/p\u003e\n\u003ch3\u003eHardware Technical Specifications\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\u003e74712-06-05-03-00\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\u003e0.3 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\u003e9 x 4 x 4 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\u003eConsult Bently Nevada 74712 technical manual\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\u003ePassive (Self-generating)\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\u003e10 Hz (600 cpm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1\/2-20 UNF-3A stud\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOutput\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVoltage proportional to velocity\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eRotor Dynamics and TSI Mechanical Monitoring\u003c\/h3\u003e\n\u003cp\u003eThe sensor is calibrated for standard rotor dynamics monitoring, ensuring accurate absolute vibration capture on fluid-film bearing housings. Integration into Total System Integration (TSI) platforms requires careful signal path management; users must ensure that cable impedance does not influence the transducer's low-frequency response. While this moving-coil design is inherently robust against electrical interference, shielding must be grounded at the monitor end to eliminate ground loops that can skew the velocity output signal.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e1 x 74712-06-05-03-00 Seismoprobe Velocity Transducer.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 x 1\/2-20 UNF-3A mounting stud.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Terminal block assembly for electrical connection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMechanical Mounting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eEnsure the mounting surface is flat and free of debris to allow for proper surface contact of the stud.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTighten the transducer to the specified torque to prevent resonance amplification at the mounting interface.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003eElectrical Termination\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eConnect the two-wire output to the signal conditioner or monitoring rack input.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVerify that the polarity is maintained throughout the wiring run to ensure the correct phase of the vibration signal relative to reference sensors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse twisted-pair, shielded cabling to maintain signal integrity over long distances.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDoes this transducer require external power?\u003c\/p\u003e\n\u003cp\u003eNo, it is a self-generating moving-coil device. It generates its own voltage based on the velocity of internal coil movement within the magnetic field.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does moving-coil technology compare to accelerometers?\u003c\/p\u003e\n\u003cp\u003eMoving-coil transducers are less sensitive to high-frequency impulsive excitation and do not require electronic integration, making them suitable for specific low-frequency vibration environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the role of the 10 Hz frequency limit?\u003c\/p\u003e\n\u003cp\u003eThe 10 Hz lower limit is the specified corner frequency where the sensor maintains a linear voltage output; measurements below this frequency may show increased attenuation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan I mount this in any orientation?\u003c\/p\u003e\n\u003cp\u003eYes, the moving-coil system is designed to operate in any orientation, provided the mounting stud is securely tightened to the vibration source.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs the connector terminal block field-replaceable?\u003c\/p\u003e\n\u003cp\u003eThe terminal block is a fixed component of this configuration; ensure wires are stripped to the correct length before insertion to prevent shorts or high resistance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhy is there no agency approval on this model?\u003c\/p\u003e\n\u003cp\u003eThe \"00\" suffix indicates this specific unit is provided without hazardous area certifications; confirm local site safety requirements before installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow do I check for signal linearity?\u003c\/p\u003e\n\u003cp\u003eLinearity is verified by comparing the transducer output against a known vibration standard or shaker table input within its rated frequency range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs this device compatible with Proximitor sensors?\u003c\/p\u003e\n\u003cp\u003eThis is a velocity transducer, not an eddy-current proximity probe. It is electrically and physically distinct and cannot be used as a direct replacement for displacement-based systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":46026831724717,"sku":"74712-06-05-03-00","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/74712-06-05-03-00.jpg?v=1782786233","url":"https:\/\/www.maxwellplc.com\/products\/74712-06-05-03-00-bently-nevada-74712-seismoprobe-velocity-transducer","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}