{"product_id":"bently-nevada-77581-02-dvf-3-digital-vector-filter-analyzer","title":"Bently Nevada 77581-02 DVF 3 Digital Vector Filter Analyzer","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 77581-02 (DVF 3)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a dual-channel, high-precision digital vector filter designed for field vibration analysis and rotor diagnostics. Unlike permanent 3500 protection modules, the DVF 3 serves as a portable diagnostic tool for monitoring machinery transients, rotor dynamics, and steady-state vibration characteristics.\u003c\/p\u003e\n\u003cp\u003eIt converts vibration sensor signals into filtered vector data, providing amplitude and phase information relative to a Keyphasor® reference, enabling detailed analysis of machine behavior under varying operating conditions.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDual-channel simultaneous vibration signal processing with Keyphasor input\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGenerates filtered vector data for amplitude and phase analysis (1X, 2X, or nx components)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBode, Polar, and Sweep frequency plotting for rotor response evaluation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdjustable tracking filter bandwidth (12–120 cpm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePeak hold function captures maximum vibration vectors during operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePortable, rugged enclosure with lightweight design (0.8 kg)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eData interface via GP-IB for recording or digital plotting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports both metric and English units\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth align=\"left\"\u003eFeature\u003c\/th\u003e\n\u003cth align=\"left\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eDevice Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eDigital Vector Filter (DVF 3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e2 vibration channels + 1 Keyphasor input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eCompatible Sensors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eProximity probes, velocity sensors, accelerometers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eRotational Speed Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e50–100,000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eTracking Filter Bandwidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e12–120 cycles per minute (cpm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eAmplitude Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e±1% full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003ePhase Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e±1° at stable speeds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eAlphanumeric for real-time amplitude, phase, and RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eData Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eGP-IB \/ IEEE-488\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eSupports 18V and 24V DC Proximitor® sensor power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e33 × 25.5 × 4 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e0.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eEnclosure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eRugged portable housing suitable for field use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRotor Balancing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDetermine weight placement for precise rotor balancing using phase data\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTransient Analysis:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCapture high-resolution vibration data during startup, shutdown, or emergency coastdowns\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCritical Speed Evaluation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIdentify resonance points and rotor response to operational speeds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStructural Fault Detection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDetect early-stage shaft cracks or misalignment through phase and amplitude shifts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Reporting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConnect to digital plotters or computers for data documentation and trend analysis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the DVF 3 handle high-speed machinery?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it supports shaft speeds up to 100,000 RPM, suitable for most industrial turbomachinery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many channels does it support?\u003c\/strong\u003e\u003cbr\u003eA: Two vibration channels plus one Keyphasor reference input.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can it operate with different sensor types?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it is compatible with proximity, velocity, and accelerometer sensors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this device portable?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it is designed as a lightweight, rugged portable analyzer for field use.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44135756071011,"sku":"77581-02","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/BENTLYNEVADA77581-02-3.jpg?v=1776915783","url":"https:\/\/precisemodule.com\/products\/bently-nevada-77581-02-dvf-3-digital-vector-filter-analyzer","provider":"Precise Module Ltd.","version":"1.0","type":"link"}