{"product_id":"bently-nevada-3500-50m-286566-02-tachometer-module-1","title":"Bently Nevada 3500\/50-04-01 Tachometer Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Bently Nevada 3500\/50 Tachometer Module is a critical component of the 3500 Series Machinery Protection System. It is engineered to measure rotational speed and provide phase reference signals for shafts in turbines, compressors, and other essential rotating equipment. The 3500\/50-04-01 configuration provides high-integrity speed monitoring, ensuring reliable overspeed protection and accurate phase reference data for machinery diagnostics and control systems.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh-integrity speed monitoring for critical turbomachinery.\u003c\/li\u003e\n\u003cli\u003eSupports single or redundant configurations to meet stringent overspeed protection requirements.\u003c\/li\u003e\n\u003cli\u003eProvides essential phase reference signals for synchronous vibration analysis.\u003c\/li\u003e\n\u003cli\u003eDesigned for continuous, reliable online monitoring in compliance with API 670 standards.\u003c\/li\u003e\n\u003cli\u003eFully compatible with other 3500 Series modules for integrated plant-wide machinery protection.\u003c\/li\u003e\n\u003cli\u003eConfigurable via 3500 Rack Configuration Software for customized alarm thresholds.\u003c\/li\u003e\n\u003cli\u003eIncludes buffered transducer outputs for external diagnostic equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is widely used in industrial environments for monitoring speed on critical assets, including steam and gas turbines, centrifugal compressors, fans, and large motors. It serves as a primary input for safety-instrumented systems requiring overspeed detection and phase-locked vibration monitoring.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e3500\/50-04-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003e3500 Machinery Protection System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eTachometer Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e2 independent tachometer channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Compatibility\u003c\/td\u003e\n\u003ctd\u003eProximity probes or magnetic pickups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e8 W typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-30 degC to +65 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 degC to +85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the 3500 rack power is disconnected before installing or removing the module.\u003c\/li\u003e\n\u003cli\u003eThe module is designed for standard half-height 3500 rack slots; ensure proper seating and engagement with the backplane connectors.\u003c\/li\u003e\n\u003cli\u003eUse shielded cabling for all transducer inputs to minimize electromagnetic interference (EMI).\u003c\/li\u003e\n\u003cli\u003eMaintain proper grounding practices for the 3500 rack to ensure signal integrity and safety compliance.\u003c\/li\u003e\n\u003cli\u003eVerify that the I\/O module matches the configuration settings in the 3500 Rack Configuration Software before commissioning.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can the 3500\/50 module be used for overspeed protection?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the module is designed for high-integrity overspeed protection and can be configured in redundant pairs to meet safety requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What type of sensors does this module support?\u003c\/strong\u003e\u003cbr\u003eA: The 3500\/50-04-01 supports standard proximity probes and magnetic pickup sensors for speed measurement.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":43933261463642,"sku":"3500\/50-04-01","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/wm_1_82ad4bf0-dc33-4326-a76f-e84b054764c2.jpg?v=1787940024","url":"https:\/\/www.spareoil.com\/products\/bently-nevada-3500-50m-286566-02-tachometer-module-1","provider":"SpareOil Automation","version":"1.0","type":"link"}