{"product_id":"bently-nevada-990-04-50-01-cn-2-wire-vibration-transmitter","title":"Bently Nevada 990-04-50-01-CN Émetteur de vibration 2 fils","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e990-04-50-01-CN\u003c\/strong\u003e is a loop-powered vibration transmitter designed for machinery where vibration needs to be converted into a standard 4 to 20 mA signal for control system use. It is typically applied in compact rotating equipment packages where engineers need stable trend data without implementing a full rack-based monitoring system.\u003c\/p\u003e\n\u003cp\u003eThis CN-variant configuration is selected when regional compliance and certification requirements are part of the project specification. In many real installations, this becomes important for export-oriented equipment packages or standardized OEM designs used across multiple sites.\u003c\/p\u003e\n\u003cp\u003eThe transmitter processes input from a 3300 NSv proximity probe system and converts shaft vibration into a proportional electrical signal for PLC or DCS input. The 5.0 metre system length makes it suitable for medium-distance probe routing in skid-mounted machinery layouts.\u003c\/p\u003e\n\u003cp\u003eFrom a field engineering perspective, this model is often chosen when compliance requirements and straightforward installation need to be balanced within a small enclosure footprint.\u003c\/p\u003e\n\u003ch3\u003eEngineering Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2-wire loop-powered vibration measurement architecture\u003c\/li\u003e\n\u003cli\u003eConverts proximity probe displacement into 4 to 20 mA output\u003c\/li\u003e\n\u003cli\u003eDesigned for 3300 NSv probe system compatibility\u003c\/li\u003e\n\u003cli\u003eDIN rail mounting using 35 mm standard clips\u003c\/li\u003e\n\u003cli\u003eIntegrated signal conditioning electronics (no external module required)\u003c\/li\u003e\n\u003cli\u003eStable output for continuous vibration trending\u003c\/li\u003e\n\u003cli\u003eExternal zero and span adjustment access\u003c\/li\u003e\n\u003cli\u003ePROX OUT available for diagnostic waveform checks\u003c\/li\u003e\n\u003cli\u003eFault detection with automatic output drop indication\u003c\/li\u003e\n\u003cli\u003eCompact sealed housing for industrial environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplication Context\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMachine Type\u003c\/th\u003e\n\u003cth\u003ePractical Use\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCentrifugal compressors\u003c\/td\u003e\n\u003ctd\u003eShaft vibration trend monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndustrial pumps\u003c\/td\u003e\n\u003ctd\u003eBearing condition tracking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcess fans\u003c\/td\u003e\n\u003ctd\u003eImbalance and mechanical wear detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM packaged skids\u003c\/td\u003e\n\u003ctd\u003eIntegrated protection input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary rotating systems\u003c\/td\u003e\n\u003ctd\u003eBasic PLC-based alarm logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExport equipment packages\u003c\/td\u003e\n\u003ctd\u003eStandardized compliance builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eOrdering Structure\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eCode Description\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e990 Vibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-scale Option\u003c\/td\u003e\n\u003ctd\u003e-04 = 0-4 mils pp (0-100 µm pp)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Length Option\u003c\/td\u003e\n\u003ctd\u003e-50 = 5.0 metres (16.4 feet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Option\u003c\/td\u003e\n\u003ctd\u003e-01 = 35 mm DIN rail clips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Approval Option\u003c\/td\u003e\n\u003ctd\u003e-CN = China compliance \/ NEPSI \/ CCC \/ ATEX \/ IECEx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eMechanical Data\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\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\u003e990-04-50-01-CN\u003c\/td\u003e\n\u003c\/tr\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eVibration Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew \u0026amp; Original in Factory Packing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFactory Warranty\u003c\/td\u003e\n\u003ctd\u003e12 Months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Target Size\u003c\/td\u003e\n\u003ctd\u003e9.5 mm (0.375 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H x W x D)\u003c\/td\u003e\n\u003ctd\u003e53.3 mm x 73.9 mm x 100.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Height (without DIN clip)\u003c\/td\u003e\n\u003ctd\u003e42.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Distance\u003c\/td\u003e\n\u003ctd\u003e63.5 mm x 69.9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e5.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Weight\u003c\/td\u003e\n\u003ctd\u003e0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal System Weight\u003c\/td\u003e\n\u003ctd\u003e0.82 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInterface Overview\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eInterface\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Input\u003c\/td\u003e\n\u003ctd\u003e3300 NSv proximity probe connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4-20 mA Output\u003c\/td\u003e\n\u003ctd\u003eVibration signal to PLC\/DCS system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Input\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc loop supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePROX OUT\u003c\/td\u003e\n\u003ctd\u003eRaw vibration diagnostic signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM\u003c\/td\u003e\n\u003ctd\u003eSignal reference point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Notes (Field Practice View)\u003c\/h3\u003e\n\u003cp\u003eIn typical cabinet builds, engineers install this module on DIN rail and then verify mechanical stability depending on vibration exposure of the enclosure. For skid-mounted systems, additional fixation is sometimes added to avoid micro-movement over long operation cycles.\u003c\/p\u003e\n\u003cp\u003eCable routing should be planned early in panel design. Keeping probe signal wiring away from inverter or motor power cables helps reduce noise, especially in 5-metre system layouts where bundling is common.\u003c\/p\u003e\n\u003cp\u003eBefore commissioning, probe gap alignment should be verified carefully. Once powered, allow the loop to stabilize before enabling alarm logic in the control system.\u003c\/p\u003e\n\u003cp\u003eThe PROX OUT interface is generally used during commissioning or troubleshooting rather than continuous operation in production systems.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the CN suffix in this model?\u003c\/strong\u003e\u003cbr\u003eIt indicates a configuration aligned with regional certification requirements used in certain industrial projects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this transmitter suitable for PLC integration?\u003c\/strong\u003e\u003cbr\u003eYes, it provides a standard 4 to 20 mA output compatible with PLC analog inputs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat probe system does it support?\u003c\/strong\u003e\u003cbr\u003eIt is designed for Bently Nevada 3300 NSv proximity probe systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used in export-oriented equipment?\u003c\/strong\u003e\u003cbr\u003eYes, it is commonly selected for standardized OEM export configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs DIN rail mounting standard for this model?\u003c\/strong\u003e\u003cbr\u003eYes, it uses 35 mm DIN rail clip mounting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it support vibration diagnostics?\u003c\/strong\u003e\u003cbr\u003eIt provides a PROX OUT signal for basic diagnostic waveform checks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a full monitoring system?\u003c\/strong\u003e\u003cbr\u003eNo, it is a simplified transmitter for trend-level monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if the probe fails?\u003c\/strong\u003e\u003cbr\u003eThe output drops to a fault-level current indicating NOT OK condition.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the operating temperature range?\u003c\/strong\u003e\u003cbr\u003eIt operates from -35 degC to +85 degC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used on compressors and pumps?\u003c\/strong\u003e\u003cbr\u003eYes, it is widely applied on rotating machinery such as compressors and pumps.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666568900971,"sku":"990-04-50-01-CN","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-990-04-50-01-cn-vibration-transmitter-iwllhxzlwmi_75cfc6c9-5210-4bb3-b53d-01f25dc24b32.jpg?v=1765440797","url":"https:\/\/www.plcprotech.com\/fr\/products\/bently-nevada-990-04-50-01-cn-2-wire-vibration-transmitter","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}