{"product_id":"3300-50-01-02-03-02-bently-nevada-tachometer-monitor","title":"3300\/50-01-02-03-02 | Bently Nevada | Tachometer Monitor","description":"\u003ch2\u003eBently Nevada 3300\/50-01-02-03-02 Tachometer Monitor\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 3300\/50-01-02-03-02\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e3300\/50\u003c\/strong\u003e Tachometer Monitor, operates as a dedicated hardware component for shaft speed measurement, acceleration monitoring, and zero speed detection within the Bently Nevada 3300 Monitoring System.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\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\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\u003e3300\/50-01-02-03-02\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eTachometer Monitor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Platform\u003c\/td\u003e\n\u003ctd\u003e3300 Machinery Protection System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eProximity probe and magnetic pickup signals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003eUp to 2 transducer inputs with voting logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e10 kOhm nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed Measurement Range\u003c\/td\u003e\n\u003ctd\u003e1 to 99,999 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor Acceleration Range\u003c\/td\u003e\n\u003ctd\u003e-9,999 to 9,999 rpm\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZero Speed Detection\u003c\/td\u003e\n\u003ctd\u003eTypically below 100 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003eWithin +\/-1 rpm for speed display; within +\/-20 rpm\/min for acceleration display at 25 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuffered Output\u003c\/td\u003e\n\u003ctd\u003eFront panel coaxial output per transducer channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuffered Output Impedance\u003c\/td\u003e\n\u003ctd\u003e100 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecorder Output\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC proportional output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Type\u003c\/td\u003e\n\u003ctd\u003e7-segment LCD display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlarm Functions\u003c\/td\u003e\n\u003ctd\u003eAlert and Danger adjustable setpoints\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Operation\u003c\/td\u003e\n\u003ctd\u003eNormally energized\/de-energized, latching or non-latching modes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2.5 Watts nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C 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 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003eUp to 95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTSI Signal Processing and Rotor Dynamics Features\u003c\/h3\u003e\n\u003cp\u003eThe Bently Nevada 3300\/50-01-02-03-02 processes rotational speed signals from eddy-current probes or magnetic pickups and converts pulse inputs into shaft speed and acceleration values. The module applies tachometer signal conditioning to maintain measurement accuracy during changing rotor operating conditions.\u003c\/p\u003e\n\u003cp\u003eFurthermore, the module supports eddy-current probe scaling and gap voltage validation principles used in Bently Nevada machinery monitoring systems. The transducer interface evaluates input signal amplitude and operating point conditions to maintain correct measurement conversion.\u003c\/p\u003e\n\u003cp\u003eThe module architecture supports rotor dynamics monitoring by tracking speed variation, acceleration behavior, and zero speed conditions. Additionally, the buffered outputs provide isolated access for external diagnostic equipment while maintaining front panel signal availability.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 3300\/50-01-02-03-02 support dual transducer inputs?\u003cbr\u003eA: Yes. The module accepts up to two transducer inputs and uses internal voting logic to reduce false trip conditions caused by individual signal disturbances.\u003c\/p\u003e\n\u003cp\u003eQ: What output signal does the recorder interface provide?\u003cbr\u003eA: The module provides a proportional 4-20 mA DC recorder output for connection to external PLC, DCS, or data acquisition systems.\u003c\/p\u003e\n\u003cp\u003eQ: Can the module monitor zero speed conditions?\u003cbr\u003eA: Yes. The tachometer function supports zero speed monitoring applications and typically operates below 100 rpm for low-speed detection.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 3300\/50-01-02-03-02 module inside the designated 3300 rack slot according to the system configuration requirements.\u003c\/p\u003e\n\u003cp\u003eUse shielded signal wiring for proximity probe and magnetic pickup connections. Connect cable shields according to the plant grounding standard to reduce electromagnetic interference.\u003c\/p\u003e\n\u003cp\u003eMaintain proper separation between tachometer signal cables and high-current power wiring. Avoid routing sensor cables near motor feeders, variable frequency drive outputs, or switching power sources.\u003c\/p\u003e\n\u003cp\u003eVerify transducer polarity, signal amplitude, and mechanical target condition before commissioning. For eddy-current probe installations, confirm the probe gap voltage and scaling parameters match the configured monitoring range.\u003c\/p\u003e\n\u003cp\u003eCheck relay logic configuration, alarm setpoints, and 4-20 mA output scaling before placing the machinery protection channel into service.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44387425714264,"sku":"3300\/50-01-02-03-02","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/330050-01-02-03-02-3.jpg?v=1784184646","url":"https:\/\/www.industriaxplc.com\/ar\/products\/3300-50-01-02-03-02-bently-nevada-tachometer-monitor","provider":"IndustriaX Limited","version":"1.0","type":"link"}