{"product_id":"bently-nevada-3500-25-149369-01-enhanced-keyphasor-module","title":"Bently Nevada 3500\/25 149369-01 Enhanced Keyphasor Module","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3500\/25 (149369-01)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-precision, half-height Keyphasor signal processing module designed for the 3500 Machinery Protection System developed by Bently Nevada. This module serves as the primary phase reference generator within machinery condition monitoring architectures, providing precise rotational timing signals derived from shaft-mounted sensors.\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEnhanced Keyphasor\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003earchitecture allows the module to process pulses from proximity probes, magnetic pickups, or optical sensors to determine shaft rotational speed and vibration phase angle. This phase synchronization capability is critical for advanced diagnostic techniques such as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eorbital analysis\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBode plots\u003c\/strong\u003e, and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003epolar plot generation\u003c\/strong\u003e, which help engineers identify mechanical faults including rotor imbalance, misalignment, and shaft rub conditions.\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e149369-01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eversion offers improved signal processing performance compared to legacy Keyphasor modules, supporting multiple pulses per revolution and providing enhanced electrical isolation and signal stability in high-noise industrial environments. It can support two Keyphasor inputs per module or up to four signals when paired in a full-height rack configuration.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e149369-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eEnhanced Keyphasor (Half-height)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e2 Channels per module (4 channels paired)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Sensors\u003c\/td\u003e\n\u003ctd\u003eProximitor, magnetic pickup, optical sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Logic\u003c\/td\u003e\n\u003ctd\u003ePulse-per-revolution or multi-event pulse support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed Range\u003c\/td\u003e\n\u003ctd\u003e1 RPM – 120,000 RPM (sensor dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e+0.8 V to −21.0 V adjustable thresholds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e500 Vdc galvanic isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Interface\u003c\/td\u003e\n\u003ctd\u003eCompatible with 3500\/22M TDI Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e2.5 cm × 14.6 cm × 12.0 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.34 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eApplication Scenarios\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3500\/25 (149369-01)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis widely used in:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSteam turbine rotor monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGas compressor vibration diagnostics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHydroelectric generator condition monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarge industrial motor predictive maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt is essential for machinery startup, shutdown, and coast-down monitoring where phase-synchronized vibration analysis is required.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 149369-01 be used in a standard 3500 rack?\u003c\/strong\u003e\u003cbr\u003eYes. The module is a standard half-height design but must be installed in the correct rack location (typically near the power supply section) and may require a half-height chassis adapter depending on rack configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between this and the legacy 3500\/25?\u003c\/strong\u003e\u003cbr\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEnhanced 149369-01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eversion provides improved noise immunity, broader input threshold adjustment ranges, and tighter integration with diagnostic software platforms for high-resolution transient analysis.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":48746751525116,"sku":"3500\/25 149369-01","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/3500342.jpg?v=1772435090","url":"https:\/\/www.electronicplc.com\/products\/bently-nevada-3500-25-149369-01-enhanced-keyphasor-module","provider":"Electronic PLC","version":"1.0","type":"link"}