{"product_id":"p3403893-0351-bently-nevada-industrial-vibration-monitoring-transmitter","title":"P3403893-0351 Bently Nevada Industrial Vibration Monitoring Transmitter","description":"\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eP3403893-0351\u003c\/strong\u003e vibration transmitter converts proximity probe signals into a robust 4-20 mA loop for seamless PLC and DCS integration. During a recent high-speed centrifugal compressor retrofit, this \u003cstrong\u003eP3403893-0351\u003c\/strong\u003e unit provided stable, noise-free casing vibration tracking across long cable runs. Plant instrumentation engineers value its integrated power-up inhibit and fast Not OK fault-defeat mechanisms, which prevent false trip signals during plant startup sequences.\u003c\/p\u003e\n\u003ch3\u003eProduct Overview \u0026amp; Configuration Structure\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSystem Parameter\u003c\/th\u003e\n\u003cth\u003eTechnical Specification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eBently Nevada\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries \/ Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2-Wire Vibration Transmitter\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eP3403893-0351\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAccepts 1 non-contacting 3300 NSv proximity probe and extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoop Power Requirements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+12 to +35 Vdc input at transmitter terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mAdc over specified full-scale range (2-wire configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoop Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWithin ±1.5% over full-scale range (measured across 250 Ω resistance)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Specifications Matrix\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eEngineering Parameter\u003c\/th\u003e\n\u003cth\u003eTransmitter Specification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRequired Probe Gap\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 to 1.75 mm (20 to 55 mils) from target surface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Loop Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,000 Ω including cable at 35 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Limiting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23 mA typical protection threshold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFault Response (Not OK)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDrops below 3.6 mA within 100 µs; restores in 2-3 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower-Up Inhibit Delay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMaintains output below 3.6 mA for 2 to 3 seconds upon startup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProx Out Scale Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.87 mV\/µm (200 mV\/mil) ±6.5% typical over linear range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 Hz to 6,000 Hz (+0, -3 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Target Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 mm (0.375 inch) diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatible Equipment and Deployment Environments\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with \u003cstrong\u003eBently Nevada\u003c\/strong\u003e 3300 NSv proximity probes and standard 3300 series extension cables.\u003c\/li\u003e\n\u003cli\u003eDesigned for continuous vibration monitoring on heavy industrial turbines, pumps, and gearboxes.\u003c\/li\u003e\n\u003cli\u003eOptimized for direct integration into non-hazardous, Zone 2, or Division 2 hazardous plant locations.\u003c\/li\u003e\n\u003cli\u003eSuited for industrial control loops requiring direct 4-20 mA conversion without complex rack monitors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdvanced Diagnostic Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eImmediate drop below 3.6 mA isolates open circuits or transducer failures during runtime.\u003c\/li\u003e\n\u003cli\u003ePower-up inhibit prevents transient voltage spikes from triggering false control system alarms.\u003c\/li\u003e\n\u003cli\u003eBuffered Proximitor sensor output enables temporary connection of portable diagnostic test gear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLogistics, Fulfillment, and Warranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Logistics\u003c\/strong\u003e: Express worldwide shipping supported via reliable carriers including FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDispatch Window\u003c\/strong\u003e: Orders are processed, verified, and dispatched within 24 to 48 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Protection\u003c\/strong\u003e: Covered by a comprehensive 12-month quality guarantee from \u003cstrong\u003eGlobal PLC Spare HUB\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the 2 to 3 second power-up inhibit feature on the P3403893-0351?\u003c\/strong\u003e\u003cbr\u003eIt holds the output below 3.6 mA when power is first applied, signaling to the control system that internal circuitry is stabilizing and preventing startup transients from triggering false alarms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy must the proximity probe be gapped strictly between 0.5 and 1.75 mm during installation?\u003c\/strong\u003e\u003cbr\u003eMaintaining this specific gap range ensures the sensor operates within its linear voltage region, guaranteeing accurate 4-20 mA full-scale signal scaling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow should technicians safely connect portable test equipment to the buffered output?\u003c\/strong\u003e\u003cbr\u003eWhen using grounded AC-powered diagnostic equipment, technicians must use a 122115-01 test adapter to maintain signal isolation and prevent ground loops.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuying Guide: When should an engineer choose a 2-wire loop transmitter over a standard rack monitor?\u003c\/strong\u003e\u003cbr\u003eSelect this transmitter when you need to feed vibration data directly into a standard PLC or DCS analog input card without investing in a full multi-slot rack monitoring system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat diagnostic step should be taken if the loop output drops below 3.6 mA unexpectedly?\u003c\/strong\u003e\u003cbr\u003eCheck the probe gap, inspect the extension cable for physical damage, and verify that the transducer is not experiencing a permanent Not OK fault condition.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45014023766198,"sku":"P3403893-0351","price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/BentlyNevada990_5_cd2a7b3e-26c2-45e9-adf6-630619058aac.jpg?v=1785136101","url":"https:\/\/www.plcsparehub.com\/products\/p3403893-0351-bently-nevada-industrial-vibration-monitoring-transmitter","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}