{"product_id":"74712-01-10-02-00-bently-nevada-seismoprobe-velocity-transducer-high-temperature","title":"74712-01-10-02-00 Bently Nevada Seismoprobe Velocity Transducer | High-Temperature","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eGlobal PLC Spare HUB's Insight: The \u003cb\u003eBently Nevada\u003c\/b\u003e \u003cb\u003e74712-01-10-02-00\u003c\/b\u003e is a robust high-temperature two-wire velocity transducer engineered from the trusted \u003cb\u003eSeismoprobe Family\u003c\/b\u003e. Built around specialized moving-coil technology, this instrument measures absolute casing and bearing housing vibration without requiring external electrical loop power. Fabricated in the U.S.A., it features a top-mount connector configuration, circular M10x1 mounting stud base, and an extended thermal envelope designed for severe industrial environments where solid-state sensors face operational constraints.\u003c\/p\u003e\n\u003ch3\u003eConfiguration Breakdown \u0026amp; Part Number Matrix\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSuffix Code Segment\u003c\/th\u003e\n\u003cth\u003eOption Parameter Definition\u003c\/th\u003e\n\u003cth\u003eEngineering Specification \u0026amp; Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eManufacturer\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eBrand Origin\u003c\/td\u003e\n\u003ctd\u003e\n\u003cb\u003eBently Nevada\u003c\/b\u003e (Made in U.S.A.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eProduct Model\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eFull Part Number\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003e74712-01-10-02-00\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eProduct Series\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eTransducer Family\u003c\/td\u003e\n\u003ctd\u003e\n\u003cb\u003eSeismoprobe Family\u003c\/b\u003e Velocity Transducer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003e01\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eMounting Angle \u0026amp; Min Frequency\u003c\/td\u003e\n\u003ctd\u003e0° ± 2.5°, 4.5 Hz (270 cpm) baseline orientation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003e10\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eMounting Base Option\u003c\/td\u003e\n\u003ctd\u003eCircular configuration with M10x1 threaded stud\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003e02\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eConnector Option\u003c\/td\u003e\n\u003ctd\u003eTop-mount electrical connection interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003e00\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eAgency Approval Option\u003c\/td\u003e\n\u003ctd\u003eNo hazardous area approvals required (Standard commercial tier)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdvanced Technical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSensitivity:\u003c\/b\u003e 20 mV\/mm\/s (500 mV\/in\/s) ±5% at calibration angle into a 10 kΩ load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFrequency Response Range:\u003c\/b\u003e Operates down to 4.5 Hz (270 cpm) based on the specific mounting option.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDynamic Operating Range:\u003c\/b\u003e Up to 2.54 mm (0.100 in) peak-to-peak maximum displacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAmplitude Linearity:\u003c\/b\u003e ±5% from 0.01 to 5.0 in\/s (0.254 to 127 mm\/s) at 100 Hz (6000 CPM).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eElectrical Impedance:\u003c\/b\u003e Coil resistance of 1.25 kΩ ±5% with a locked coil inductance of 125 mH typical.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTemperature Resilience:\u003c\/b\u003e Operating and storage threshold span from -29°C to +204°C (-20°F to +400°F).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMechanical Physical Footprint:\u003c\/b\u003e Height of 102 mm (4 in) typical with top connector; housing diameter of 41 mm (1.6 in).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTarget Equipment \u0026amp; Industrial Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDeployed extensively on large industrial steam turbines, gas expanders, boiler feedwater pumps, and heavy centrifugal compressors.\u003c\/li\u003e\n\u003cli\u003ePerfect for outdoor or high-vibration balance floors where absolute casing housing structural movement must be tracked continuously.\u003c\/li\u003e\n\u003cli\u003eIdeal for portable or permanent machinery protection loops connected directly to Bently Nevada 3300 or 3500 monitor systems over field wiring up to 305 meters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMachinery Diagnostic Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCaptures wideband absolute velocity trends to isolate unbalance, misalignment, and structural looseness on heavy bearing housings.\u003c\/li\u003e\n\u003cli\u003eResists high-impact transient shock loads up to 50 g peak along non-sensitive axes without compromising coil calibration.\u003c\/li\u003e\n\u003cli\u003eDelivers reliable output signals proportional to casing velocity, protecting critical assets from destructive harmonic resonance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFulfillment, Warranty \u0026amp; Shipping Terms\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eWarranty Protection:\u003c\/b\u003e Comprehensive 12-month replacement or repair warranty covering all workmanship and component defects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDispatch Timeline:\u003c\/b\u003e Fast, streamlined processing with order dispatch within 24 to 48 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGlobal Shipping Partners:\u003c\/b\u003e Secure international transit utilizing trusted carriers FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComparative Model Analysis \u0026amp; Selection Guidance\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eComparison Model:\u003c\/b\u003e \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/74712-06-02-03-00-original-bently-nevada-high-temp-velocity-sensor\"\u003e\u003cspan style=\"color: blue;\"\u003e\u003cb\u003e74712-06-02-03-00\u003c\/b\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eEngineering Recommendation:\u003c\/b\u003e While both models belong to the same \u003cb\u003eSeismoprobe Family\u003c\/b\u003e, the \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/74712-06-02-03-00-original-bently-nevada-high-temp-velocity-sensor\"\u003e\u003cspan style=\"color: blue;\"\u003e\u003cb\u003e74712-06-02-03-00\u003c\/b\u003e\u003c\/span\u003e\u003c\/a\u003e incorporates alternative mounting angles and connector orientations tailored for specialized spatial routing. Select the \u003cb\u003e74712-01-10-02-00\u003c\/b\u003e when your machinery layout requires a standard top-mount configuration coupled with an M10x1 circular stud base for straightforward vertical or horizontal casing penetration.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eWhy does the 74712-01-10-02-00 utilize moving-coil technology instead of solid-state electronics?\u003c\/b\u003e\u003cbr\u003eMoving-coil architecture provides exceptional resilience against impact and impulsive mechanical excitation, making it vastly superior for harsh industrial environments where solid-state integration chips could experience premature fatigue.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWhat specific torque should technicians use when mounting this transducer via the M10x1 stud?\u003c\/b\u003e\u003cbr\u003eField engineers must apply a precise mounting torque of 5.6 N·m (50 in·lb) to ensure solid mechanical coupling and prevent high-frequency signal attenuation caused by loose interface contact.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHow does changing the external load resistance affect the transducer calibration output?\u003c\/b\u003e\u003cbr\u003eThe specified sensitivity of 20 mV\/mm\/s relies on a calibrated 10 kΩ termination load between terminals A and B; altering this impedance outside recommended parameters will shift output linearity.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWhat factors determine the low-frequency roll-off behavior of this seismoprobe model?\u003c\/b\u003e\u003cbr\u003eLow-frequency response is strictly governed by the internal suspension spring design and the selected option code 01, which dictates a minimum operating threshold of 4.5 Hz (270 cpm).\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHow can maintenance personnel verify internal coil health during routine plant outages?\u003c\/b\u003e\u003cbr\u003eTechnicians can measure DC resistance across pins A and B using a calibrated multimeter; a healthy unit should read precisely 1.25 kΩ within a ±5% tolerance band.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/9200_74712.png?v=1784875507\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45013970813110,"sku":"74712-01-10-02-00","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/Bently74712_1_d1ac6c96-d278-4199-ac94-7453ff8281ea.jpg?v=1786427009","url":"https:\/\/www.plcsparehub.com\/products\/74712-01-10-02-00-bently-nevada-seismoprobe-velocity-transducer-high-temperature","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}