{"product_id":"bently-nevada-991-25-70-01-01-3300-nsv-thrust-transmitter","title":"Bently Nevada 991-25-70-01-01 3300 NSv Thrust Transmitter","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 991-25-70-01-01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-precision axial displacement (thrust) transmitter within the 3300 NSv proximity transducer system. This 2-wire, loop-powered module converts the signal from a non-contacting eddy current probe into a linear\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4-20 mA output\u003c\/strong\u003e, enabling direct integration with PLCs, DCS, or SCADA systems. It serves as a critical safety component for centrifugal air compressors, small pumps, and industrial fans where monitoring shaft position prevents catastrophic bearing failure. While the manufacturer has officially discontinued this series, we supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esurplus to maintain your existing protection loops without requiring expensive system upgrades.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe 991 series follows a specific configuration logic to match mechanical ranges and installation requirements:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eOption Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature Category\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Definition\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e991\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eModel Series\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3300 NSv Thrust Transmitter\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e25\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFull-scale Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25-0-25 mils (Typical axial displacement window)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e70\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMounting Option\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e35 mm DIN rail clips for high-density mounting\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e01\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAgency Approval\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMulti-agency certifications (ATEX\/CSA\/IECEx)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e01\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSystem Length\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOptimized for 5.0 meter or 7.0 meter configurations\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThis transmitter delivers high-fidelity thrust data through the following engineering parameters:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSignal Output:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4-20 mA DC proportional current loop.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAccepts 1 non-contacting 3300 NSv Proximity Probe and extension cable.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Requirements:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOperates on +12 to +35 Vdc loop power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0 to 1.2 kHz (Suitable for dynamic position tracking).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.95 lbs (0.43 kg).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated 35 mm DIN rail clips.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTechnology:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEddy Current Non-contacting measurement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe 991-25-70-01-01 targets specific industrial pain points in machinery protection:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNarrow Side View (NSv) Compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis transmitter utilizes NSv technology, allowing for precise thrust measurements in tight mechanical geometries. It successfully ignores side-view interference from surrounding metal, a common issue in small bearing housings where standard 8mm probes fail.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDirect 4-20 mA Loop Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 2-wire design eliminates the need for expensive, centralized vibration\/thrust monitoring racks. You wire the transmitter directly to standard analog input cards, significantly reducing the cost-per-point for balance-of-plant assets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic \"Prox Out\" Port:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEach module features a buffered output terminal. Field technicians connect portable analyzers to this port to verify gap voltage and probe health without interrupting the primary 4-20 mA protection loop or disconnecting any wiring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Signal Conditioning:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe internal circuitry rejects electromagnetic interference (EMI) and radio frequency interference (RFI). This ensures stable data even when installed near high-power variable frequency drives (VFDs) or heavy electrical switchgear.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I handle the \"Discontinued\" status of this model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSince the manufacturer no longer produces the 991 series, maintaining spares is critical. Our stock consists of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eunits in original factory packaging. Using these genuine parts allows you to replace failed units instantly without re-engineering your entire monitoring architecture to the newer 3300 XL systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this for radial vibration monitoring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 991 series is factory-calibrated for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAxial Displacement (Thrust)\u003c\/strong\u003e. For radial vibration (measured in mils peak-to-peak), you must use the 990 series transmitter. Using a thrust transmitter for vibration will result in incorrect signal scaling and compromised machinery safety.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat total system length does this transmitter require?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe suffix \"-01\" for system length is typically calibrated for a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5.0-meter or 7.0-meter\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esystem. You must ensure the combined length of your 3300 NSv probe lead and extension cable matches the factory calibration to maintain measurement linearity and accuracy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of the 2-wire configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 2-wire, loop-powered design simplifies field wiring by using the same two conductors for both power and signal. This reduces cable costs, saves space in junction boxes, and simplifies the overall installation process compared to 3-wire or 4-wire systems.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":53224709095608,"sku":"991-25-70-01-01","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/990-04-XX-01-001_caaa1b27-683e-44fa-a555-26cea2ca6183.png?v=1775187515","url":"https:\/\/www.globalpetroparts.com\/products\/bently-nevada-991-25-70-01-01-3300-nsv-thrust-transmitter","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}