{"product_id":"990-04-xx-01-cn-bently-nevada-2-wire-vibration-transmitter","title":"990-04-XX-01-CN Bently Nevada 2-Wire Vibration Transmitter","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 990-04-XX-01-CN (including MOD 165335-01)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-performance, loop-powered 2-wire vibration transmitter. Unlike standard proximity sensors that measure relative shaft motion, the 990-04 mounts directly to the machine casing to measure absolute structural vibration. It integrates a velocity transducer and signal conditioning electronics into a single stainless-steel housing, providing a direct 4-20 mA output proportional to vibration velocity. This design eliminates the need for external monitors or interface modules, allowing for direct integration into PLC, DCS, or SCADA systems. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein factory-sealed packaging.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown: 990-04-AA-BB-CC\u003c\/h3\u003e\n\u003cp\u003eThe 990 series uses a modular part number system to define mounting threads and agency approvals.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eOption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e04\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVibration Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVelocity measurement (output in in\/s or mm\/s)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eXX (AA)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMounting Option\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDefines Stud size (e.g., M8x1, 1\/4-28, or 3\/8-24 threads)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e01 (BB)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAgency Approval\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMultiple approvals including CSA, ATEX, and IECEx\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCN (CC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRegion\/Specific\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSpecific regional certification or MOD requirement\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Signal\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4-20 mA DC (Proportional to Velocity)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10 Hz to 1,000 Hz (600 to 60,000 CPM)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSensitivity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50 mV\/in\/sec nominal (internal conversion to mA)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDynamic Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e±50 g peak\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12 to 30 Vdc (Loop Powered)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e316L Stainless Steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-30°C to +100°C (-22°F to +212°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP66 \/ NEMA 4X\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDirect PLC Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 990-04 outputs a standard 4-20 mA signal. This allows you to connect the sensor directly to an analog input card on a DCS or PLC without purchasing expensive rack-based monitoring hardware.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified 2-Wire Installation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBecause the unit is loop-powered, it requires only two wires for both power and signal transmission. This significantly reduces wiring costs and complexity in large-scale plant deployments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Environmental Sealing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 316L stainless steel housing resists corrosive atmospheres, making it ideal for offshore platforms, cooling towers, and chemical processing facilities. The hermetically sealed design prevents moisture ingress even in 95% non-condensing humidity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRFI\/EMI Shielding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAdvanced internal filtering blocks electromagnetic interference from large motors and variable frequency drives (VFDs). This ensures your control system receives a clean, accurate vibration trend without \"ghost\" alarms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between the 990-04 and a standard accelerometer?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA standard accelerometer outputs a raw voltage signal requiring external conditioning. The 990-04 is a \"transmitter,\" meaning it contains internal electronics that process the vibration data and output a 4-20 mA signal ready for a control system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 990-04-XX-01-CN require a specific mounting orientation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYou can mount the 990-04 in any orientation (vertical, horizontal, or inclined). However, ensure the axis of the sensor aligns with the direction of the vibration you intend to measure for maximum accuracy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this sensor be used in explosive atmospheres?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes. The \"01\" and \"CN\" designations typically indicate hazardous area certifications. This module carries ATEX and IECEx approvals, making it suitable for Zone 0, 1, or 2 when used with a proper intrinsic safety barrier.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the \"MOD 165335-01\" signify?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMOD numbers indicate specific factory modifications. These usually involve customized cable lengths, specific connector types, or calibrated sensitivity ranges tailored for a particular OEM's requirements. Our units maintain full compatibility with these specific MOD standards.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44177254154339,"sku":"990-04-XX-01-00","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/375._224c0d90-057f-4ca0-bacc-ec6cdf38ae97.jpg?v=1778655413","url":"https:\/\/www.autocontrolglobal.com\/products\/990-04-xx-01-cn-bently-nevada-2-wire-vibration-transmitter","provider":"AutoControl Global","version":"1.0","type":"link"}