{"product_id":"bently-nevada-3500-42-01-00-proximitor-seismic-monitor","title":"Bently Nevada 3500\/42-01-00 Proximitor Seismic Monitor","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3500\/42-01-00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProximitor Seismic Monitor from\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003eBently Nevada\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eis a four-channel machinery protection module designed for continuous vibration and position monitoring in critical rotating equipment applications. The module operates within the Bently Nevada 3500 Machinery Protection System and supports proximity probes, Velomitor sensors, accelerometers, and seismic transducers used on steam turbines, centrifugal compressors, pumps, generators, and industrial motors.\u003c\/p\u003e\n\u003cp\u003eThis monitor continuously processes dynamic vibration and shaft position signals while comparing measured values against configurable alarm setpoints. Plant operators use the module to detect excessive shaft vibration, thrust movement, casing vibration, and mechanical instability before equipment damage or forced shutdown conditions occur. The 3500\/42 series is widely installed in refinery process units, LNG facilities, petrochemical plants, and power generation sites where continuous machinery protection is required for API rotating assets.\u003c\/p\u003e\n\u003cp\u003eThe 01 configuration includes a Prox\/Seismic I\/O module with internal terminations, simplifying cabinet wiring and improving installation efficiency inside 3500 monitoring racks.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"last:pe-10\"\u003eCode Segment\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e3500\/42\u003c\/td\u003e\n\u003ctd\u003eProximitor Seismic Monitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e01\u003c\/td\u003e\n\u003ctd\u003eProx\/Seismic I\/O Module with Internal Terminations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e00\u003c\/td\u003e\n\u003ctd\u003eNo agency approval option\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSystem Architecture\u003c\/h3\u003e\n\u003cp\u003eThe 3500\/42 monitor supports four independent transducer input channels and integrates directly into the 3500 rack backplane architecture. The module accepts both static and dynamic measurement signals for machinery protection and condition monitoring applications.\u003c\/p\u003e\n\u003cp\u003eSupported measurement types include radial vibration, shaft position, differential expansion, eccentricity, velocity, acceleration, and thrust position monitoring. Internal signal conditioning circuitry improves measurement stability in high-noise industrial environments commonly found near large motors, turbine skids, and compressor trains.\u003c\/p\u003e\n\u003cp\u003eThe monitor communicates with other 3500 rack components for alarm processing, event recording, relay activation, and system diagnostics. The module is commonly deployed in redundant machinery protection systems where high availability and continuous online monitoring remain operational priorities.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\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\u003e3500\/42-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\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\u003eProximitor Seismic Monitor\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\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e4 Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Module Type\u003c\/td\u003e\n\u003ctd\u003eInternal Terminations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Sensors\u003c\/td\u003e\n\u003ctd\u003eProximity probes, Velomitor sensors, accelerometers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eU.S.A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-30 to +65 deg C with Internal\/External Termination I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp with Internal Barrier I\/O\u003c\/td\u003e\n\u003ctd\u003e0 to +65 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\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\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e241.3 mm x 24.4 mm x 241.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.91 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5.8 W typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003e3500 rack-mounted installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Processing\u003c\/td\u003e\n\u003ctd\u003eDynamic vibration and position monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlarm Functions\u003c\/td\u003e\n\u003ctd\u003eAlert and Danger setpoints\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat sensors can connect to the 3500\/42 monitor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module supports Bently Nevada proximity probes, Velomitor velocity sensors, accelerometers, and seismic transducers used for rotating machinery monitoring applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the 01 and 02 I\/O configurations?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 01 version uses internal terminations, while other configurations may use external termination wiring depending on cabinet layout requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 3500\/42 monitor replace older 7200 monitoring systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Many facilities upgrade legacy Bently Nevada protection systems to the 3500 platform for improved diagnostics, event storage, and system integration capabilities.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich industrial applications commonly use this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe monitor is widely installed on steam turbines, centrifugal compressors, pumps, generators, fans, and large motor-driven process equipment.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eInstallation Notes and Maintenance Recommendations\u003c\/h3\u003e\n\u003cp\u003eInstall the module inside a properly grounded 3500 rack cabinet with adequate ventilation airflow. Excessive cabinet heat may reduce long-term electronic component reliability.\u003c\/p\u003e\n\u003cp\u003eSeparate transducer wiring from high-voltage motor cables and VFD output conductors to minimize electromagnetic interference. Shielded instrumentation cable is recommended for all seismic and proximity sensor connections.\u003c\/p\u003e\n\u003cp\u003eBefore startup, verify transducer gap voltage, channel scaling parameters, and alarm setpoints using the 3500 configuration software. Incorrect calibration settings may generate unstable readings or false machinery alarms.\u003c\/p\u003e\n\u003cp\u003eDuring maintenance shutdowns, inspect rack backplane connectors and terminal tightness to maintain stable signal transmission in high-vibration industrial environments.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668311765355,"sku":"3500\/42-01-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/350042M-oxlfex5frx0_6816368f-1957-4d3a-bd2b-8dadda5b7eb1.jpg?v=1765520871","url":"https:\/\/www.plcprotech.com\/products\/bently-nevada-3500-42-01-00-proximitor-seismic-monitor","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}