{"product_id":"bently-nevada-3500-42-04-02-proximitor-seismic-monitor","title":"Bently Nevada 3500\/42-04-02 Proximitor Seismic Monitor","description":"\u003cp\u003eThe Bently Nevada \u003cstrong\u003e3500\/42-04-02\u003c\/strong\u003e Proximitor Seismic Monitor is a four-channel machinery protection module designed to accept inputs from proximity, velocity, or acceleration transducers. This specific configuration features an I\/O module with internal barriers and internal terminations (-04 option), combined with an ATEX, IECEx, and CSA Class 1 Zone 2 hazardous area approval (-02 option). It conditions raw sensor signals into vital vibration and position metrics, continuously evaluating parameters against user-programmable alarm setpoints to safeguard critical rotating machinery.\u003c\/p\u003e\n\u003ch3\u003eChannel Processing and Input Sensitivity\u003c\/h3\u003e\n\u003cp\u003eThe module supports up to four independent input channels configurable for diverse measurement strategies, including radial vibration, thrust position, eccentricity, and acceleration. Configurable sensitivity options accommodate specific transducer types, such as 3.94 mV\/$\\mu$m or 7.87 mV\/$\\mu$m for radial vibration and 100 mV\/g for acceleration inputs.\u003c\/p\u003e\n\u003cp\u003eIncoming waveforms pass through precision filter blocks to isolate mechanical vibration from electrical noise, ensuring reliable threshold comparisons across operational speeds.\u003c\/p\u003e\n\u003ch3\u003eAlarm Management and Signal Integration\u003c\/h3\u003e\n\u003cp\u003eReal-time data is evaluated continuously against programmable Alert and Danger thresholds to drive protection relays and warn operators of abnormal conditions. The unit provides proportional +4 to +20 mA current recorder outputs for each channel to interface directly with external control or data recording systems.\u003c\/p\u003e\n\u003cp\u003eDedicated front-panel coaxial connectors supply short-circuit-protected buffered transducer outputs, while status LEDs indicate operational readiness, communication traffic, and bypass modes.\u003c\/p\u003e\n\u003ch3\u003eTechnical Parameters\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003e\u003cstrong\u003e3500\/42-04-02\u003c\/strong\u003e\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\u003eSeries\u003c\/td\u003e\n\u003ctd\u003e3500\/42 Proximitor Seismic Monitor Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e4 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Inputs\u003c\/td\u003e\n\u003ctd\u003eProximity, velocity, or acceleration transducers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Module Type\u003c\/td\u003e\n\u003ctd\u003e-04 (Internal barriers and internal terminations)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Approval Option\u003c\/td\u003e\n\u003ctd\u003e-02 (ATEX, IECEx, CSA Class 1, Zone 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransducer Power Supply\u003c\/td\u003e\n\u003ctd\u003e-24 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecorder Output\u003c\/td\u003e\n\u003ctd\u003e+4 to +20 mA proportional to full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Output Load Resistance\u003c\/td\u003e\n\u003ctd\u003e0 to 600 $\\Omega$ (0 to +12 Vdc range across load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e7.7 W typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +65 deg C\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 (9.50 in x 0.96 in x 9.52 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.91 kg (2.0 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What hazardous area approvals are included with the \u003cstrong\u003e3500\/42-04-02\u003c\/strong\u003e configuration?\u003c\/p\u003e\n\u003cp\u003eA: This model includes the -02 option, providing ATEX, IECEx, and CSA Class 1, Zone 2 certifications.\u003c\/p\u003e\n\u003cp\u003eQ: How are external diagnostic signals accessed on this module?\u003c\/p\u003e\n\u003cp\u003eA: Buffered transducer outputs are available directly on the front panel via short-circuit-protected coaxial connectors for each channel.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":68025359696181,"sku":"3500\/42-04-02","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/350045-01-00_b2163720-0cfa-469c-9290-0dc5fce088e3.png?v=1793691008","url":"https:\/\/www.5gplc.com\/products\/bently-nevada-3500-42-04-02-proximitor-seismic-monitor","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}