{"product_id":"bently-nevada-3500-72m-176449-08-recip-rod-position-monitor","title":"Bently Nevada 134938-01 3500\/50 Tachometer Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Bently Nevada 134938-01 is a 3500\/50 Tachometer Module engineered for high-precision speed measurement and phase reference signal generation within the 3500 Machinery Protection System. This module is essential for monitoring rotating assets such as steam turbines, gas compressors, and large industrial motors. It provides critical overspeed protection and phase data, enabling consistent machinery health monitoring and preventing catastrophic mechanical failure in demanding industrial environments.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDual-channel signal input capability, supporting both magnetic pickups and proximity probe transducers.\u003c\/li\u003e\n\u003cli\u003eIntegrated overspeed protection logic to trigger safety shutdowns during critical events.\u003c\/li\u003e\n\u003cli\u003ePhase reference generation, providing the timing signals required for advanced vibration analysis.\u003c\/li\u003e\n\u003cli\u003eSeamless integration into the Bently Nevada 3500 rack architecture with support for redundant configurations.\u003c\/li\u003e\n\u003cli\u003eComprehensive self-diagnostic routines to ensure continuous monitoring integrity and rapid fault identification.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e134938-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eBently Nevada 3500 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e2-channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandwidth\u003c\/td\u003e\n\u003ctd\u003e30 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirements\u003c\/td\u003e\n\u003ctd\u003e24 VDC (Rack Powered)\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 to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eVerify that the module is fully seated in the designated rack slot and that the front panel screws are tightened to maintain proper grounding.\u003c\/li\u003e\n\u003cli\u003eUse shielded cabling for all transducer inputs to minimize signal interference and electromagnetic noise.\u003c\/li\u003e\n\u003cli\u003eConfirm proper configuration of the module via the 3500 Rack Configuration Software before placing the machinery into operation.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate ventilation around the 3500 rack to ensure operation remains within the specified temperature range.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs this module compatible with all 3500 rack types?\u003c\/h3\u003e\u003cp\u003eThe 134938-01 is designed for use within the standard Bently Nevada 3500 series monitoring system. Always verify your specific rack revision and configuration software version to ensure compatibility.\u003c\/p\u003e\u003ch3\u003eWhat type of sensors can be connected to the 134938-01?\u003c\/h3\u003e\u003cp\u003eThis module supports inputs from industry-standard magnetic pickups and proximity probe transducer systems typically used for speed and phase measurement.\u003c\/p\u003e\u003ch3\u003eDoes this module support redundant monitoring?\u003c\/h3\u003e\u003cp\u003eYes, the 3500\/50 module is designed to operate within the 3500 system architecture, which supports redundant module configurations for mission-critical applications.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":43982800191578,"sku":"134938-01","price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/wm_1_f454078d-3e8c-454c-a5aa-c28357562362.jpg?v=1788238485","url":"https:\/\/www.spareoil.com\/ar\/products\/bently-nevada-3500-72m-176449-08-recip-rod-position-monitor","provider":"SpareOil Automation","version":"1.0","type":"link"}