{"product_id":"133434-01-bently-nevada-3500-50-tachometer-i-o-module","title":"133434-01 Bently Nevada 3500\/50 Tachometer I\/O Module","description":"\u003ch3 class=\"\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe Bently Nevada 133434-01 is a high-performance Tachometer I\/O Module designed for the 3500 Machinery Protection System.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThis module serves as the primary interface for speed sensors,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eproviding the 3500\/50 Tachometer Main Module with high-fidelity pulse signals from Keyphasor transducers or other magnetic pickups.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eBy accurately measuring rotational speed and phase,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eit enables the system to calculate critical parameters such as RPM,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003erotor acceleration,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand zero-speed detection.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eAs a fundamental component of Turbine Supervisory Instrumentation (TSI),\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe 133434-01 is essential for preventing overspeed conditions and providing the phase reference necessary for vibration vector analysis.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"\"\u003eKey Technical Characteristics and Hardware Parameters\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe 133434-01 is engineered for extreme precision in signal conditioning,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eensuring that speed data remains accurate even in high-interference industrial environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eModel Identification\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e3500\/50\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eOrder Number\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e133434-01\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eModule Type\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eTachometer I\/O with Internal Terminations\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eTransducer Compatibility\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eSupports Proximity Probes (Keyphasor),\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eMagnetic Pickups,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand Active (non-contact) sensors\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eInput Frequency\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eCapable of processing signals from 1 pulse per revolution up to 20,\u003c\/span\u003e\u003cspan class=\"\"\u003e000 pulses per second\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eSignal Conditioning\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eOn-board threshold and hysteresis adjustments to eliminate false triggering from shaft runout or noise\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eTermination Style\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated compression screw terminals for direct wiring of field sensors\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eOperating Temperature\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e-30°C to +65°C (-22°F to +150°F)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eIsolation\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eHigh-voltage galvanic isolation to protect the rack backplane from field-side electrical surges\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003ePhysical Weight\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e0.\u003c\/span\u003e\u003cspan class=\"\"\u003e40 kg\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eModule Dimensions\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e2.\u003c\/span\u003e\u003cspan class=\"\"\u003e5 x 11.\u003c\/span\u003e\u003cspan class=\"\"\u003e2 x 24.\u003c\/span\u003e\u003cspan class=\"\"\u003e2 cm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"\"\u003eIndustrial Applications and Operational Use Cases\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe 133434-01 Tachometer I\/O is a critical requirement for any rotating machinery that relies on speed-based protection and phase-locked vibration monitoring.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eOverspeed Protection\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eProviding rapid-response speed data to trigger emergency trip relays if a steam or gas turbine exceeds its safe operating RPM.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003ePhase Reference (Keyphasor)\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eDelivering the 1-per-turn pulse required for synchronous vibration sampling,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eallowing for the generation of Bode and Polar plots.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eZero-Speed Detection\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eConfirming a complete stop of the rotor before turning gear engagement or maintenance activities begin.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eReverse Rotation Detection\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIdentifying improper shaft rotation in pumps and compressors during startup to prevent internal mechanical damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eAcceleration Monitoring\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eTracking the rate of speed change during turbine startup cycles to ensure compliance with thermal stress limits.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eBy utilizing the 133434-01 with internal terminations,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003einstallation is simplified,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand the reliability of the speed signal path is maximized,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eensuring the safety of high-value industrial assets across the power generation and oil and gas sectors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45518807040173,"sku":"133434-01","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/bently-nevada-133434-01-tachometer-i-o-module-h3wphxyjl0g.jpg?v=1766979340","url":"https:\/\/www.maxwellplc.com\/products\/133434-01-bently-nevada-3500-50-tachometer-i-o-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}