{"product_id":"epro-pr9268-201-000-vibration-velocity-sensor","title":"EPRO PR9268-201-000 vibration velocity sensor","description":"\u003cp\u003eConfigured for precise mechanical vibration velocity monitoring in turbomachinery protection platforms, the \u003cstrong\u003eEPRO PR9268-201-000\u003c\/strong\u003e (\u003cstrong\u003ePR9268\u003c\/strong\u003e Electrodynamic Vibration Sensor) provides direct physical\/electrical execution. The sensor tracks dynamic casing vibration across rotating machinery shafts, delivering proportional electrical signals to continuous monitoring racks.\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\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\u003ePR9268-201-000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEPRO \/ Emerson\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.35 kg (0.77 lbs) standard baseline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eThreaded cylindrical stainless steel housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to 100 deg C (-40 to 212 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSelf-generating electrodynamic pickup \/ loop powered options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Type\u003c\/td\u003e\n\u003ctd\u003eElectrodynamic vibration velocity transducer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Parameter\u003c\/td\u003e\n\u003ctd\u003eCasing vibration velocity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eStainless steel body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIngress Protection\u003c\/td\u003e\n\u003ctd\u003eIP65 \/ IP67 rated enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eRotor Dynamics and Signal Transmission\u003c\/h3\u003e\n\u003cp\u003eThe EPRO PR9268-201-000 electrodynamic assembly utilizes a spring-suspended coil moving within a permanent magnetic field to track low-to-mid frequency rotor dynamics. The mechanical design delivers high signal stability and built-in cross-talk suppression when installed near high-power machinery drives. Proper scaling in the monitoring rack compensates for mechanical damping and phase shifts near the sensor resonance point, ensuring accurate absolute casing vibration velocity tracking.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the electrodynamic coil assembly require external power to produce raw velocity voltage signals?\u003c\/p\u003e\n\u003cp\u003eA: No, the core moving-coil electrodynamic element is self-generating and produces an AC voltage proportional to vibration velocity without external excitation power.\u003c\/p\u003e\n\u003cp\u003eQ: How should the cable shielding be handled to prevent noise interference?\u003c\/p\u003e\n\u003cp\u003eA: Connect the twisted-pair shielded signal cable to Earth ground at the monitoring cabinet terminal block only, leaving the sensor-side shield ungrounded to prevent ground loops.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eInspect the bearing housing mounting pad to ensure a flat, smooth, and clean surface perpendicular to the axis of vibration measurement.\u003c\/li\u003e\n\u003cli\u003eThread the sensor securely onto the mounting stud, applying standard torque specifications to prevent mechanical looseness during high-vibration operation.\u003c\/li\u003e\n\u003cli\u003eRoute signal cables through protective metal conduit, maintaining adequate separation from three-phase AC power lines and variable frequency drive motor leads.\u003c\/li\u003e\n\u003cli\u003eTerminate wiring at the monitoring system rack, ensuring the outer shield braid connects to the system instrument ground at a single point.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Emerson Epro","offers":[{"title":"Default Title","offer_id":45474333491315,"sku":"PR9268-201-000","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/PR9376-010-011_2_56120176-36d4-428e-865e-fe21b8351cb0.png?v=1789109723","url":"https:\/\/www.dcssupplier.com\/products\/epro-pr9268-201-000-vibration-velocity-sensor","provider":"DcsSupplier Limited","version":"1.0","type":"link"}