{"product_id":"epro-pr9268-017-100-velocity-sensors","title":"EPRO PR9268-017-100 Velocity Sensors","description":"\u003cp\u003eThe \u003cstrong\u003eEPRO PR9268-017-100\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePR9268\u003c\/strong\u003e Electrodynamic Velocity Sensor, operates as a dedicated hardware component for absolute casing vibration measurement within turbomachinery monitoring platforms. Utilizing a spring-suspended coil moving inside a permanent magnetic field, the sensor converts mechanical vibration into proportional electrical signals across a 14 to 1000 Hz operating spectrum.\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\u003ePR9268-017-100\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 industrial cylinder profile\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\u003ePassive self-generating electrodynamic coil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e17.5 mV\/mm\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e14 to 1000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNatural Frequency\u003c\/td\u003e\n\u003ctd\u003e14 Hz +\/-7% at 20 deg C (68 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransverse Sensitivity\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.1 at 80 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Vibration Amplitude\u003c\/td\u003e\n\u003ctd\u003e500 um peak-peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplitude Linearity\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 2%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Acceleration\u003c\/td\u003e\n\u003ctd\u003e10g (98.1 m\/s2) peak-peak continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Transverse Acceleration\u003c\/td\u003e\n\u003ctd\u003e20g (196.2 m\/s2) peak-peak intermittent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDamping Factor\u003c\/td\u003e\n\u003ctd\u003e-0.6% at 20 deg C (68 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Resistance\u003c\/td\u003e\n\u003ctd\u003e1723 ohm +\/-2%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Inductance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 90 mH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActive Capacity\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 1.2 nF\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 PR9268-017-100 electrodynamic velocity pickup features a coil-and-magnet architecture optimized for rotor dynamics tracking and casing vibration assessment on large rotating machinery. Internal coil dampening (-0.6% at 20 deg C) and high cross-talk suppression maintain measurement accuracy across transient acceleration peaks up to 10g continuous. Correct signal attenuation and impedance matching in the monitoring rack ensure precise amplitude linearity within \u0026lt; 2% across the operational bandwidth.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the PR9268-017-100 sensor require external excitation voltage to output velocity signals?\u003c\/p\u003e\n\u003cp\u003eA: No, the moving-coil electrodynamic assembly is entirely self-generating, outputting a proportional AC voltage signal driven directly by casing vibration.\u003c\/p\u003e\n\u003cp\u003eQ: How does transverse sensitivity affect measurement accuracy on vibrating machinery?\u003c\/p\u003e\n\u003cp\u003eA: The sensor maintains a transverse sensitivity of less than 0.1 at 80 Hz, minimizing cross-axis cross-talk interference caused by perpendicular mechanical movement.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the mounting surface on the bearing housing is flat, smooth, and perpendicular to the target axis of vibration measurement.\u003c\/li\u003e\n\u003cli\u003eThread the sensor body tightly onto the mounting stud to establish solid metal-to-metal contact, preventing high-frequency signal damping.\u003c\/li\u003e\n\u003cli\u003eRoute twisted-pair shielded cable through grounded protective conduit, isolating the line from high-voltage AC electrical lines or drive wiring.\u003c\/li\u003e\n\u003cli\u003eTerminate signal conductors at the monitoring monitor module, ensuring the cable shield is grounded at a single point at the rack enclosure.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Emerson Epro","offers":[{"title":"Default Title","offer_id":45474338701427,"sku":"PR9268-017-100","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/PR9376-010-011_3_df420c9f-8251-498f-bc75-5bcf0eca4a4b.png?v=1789109706","url":"https:\/\/www.dcssupplier.com\/products\/epro-pr9268-017-100-velocity-sensors","provider":"DcsSupplier Limited","version":"1.0","type":"link"}