{"product_id":"bently-nevada-330505-02-02-02-00-low-frequency-velocity-sensor","title":"Bently Nevada 330505-02-02-02-00 Low Frequency Velocity Sensor","description":"\u003cp\u003eThe \u003cstrong\u003eBently Nevada 330505-02-02-02-00\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e330505\u003c\/strong\u003e Low Frequency Velocity Sensor, operates as a dedicated hardware component for absolute structural vibration measurement within 3500\/46M Hydro Monitor platforms.\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\u003e330505-02-02-02-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBently Nevada (Baker Hughes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States (Made in U.S.A.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eLess than 375 grams (Shipping weight: 2.50 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard cylindrical industrial sensor shell enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +100 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive moving-coil generation with loop-powered signal conditioning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e20 mV\/mm\/s (508 mV\/in\/s) +\/- 10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e0.5 to 1000 Hz +\/- 3.0 dB (1 to 200 Hz +\/- 0.9 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVelocity Range Limit\u003c\/td\u003e\n\u003ctd\u003e102 mm\/s (4 in\/s) peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransducer Mounting Angle\u003c\/td\u003e\n\u003ctd\u003e90 deg +\/- 5 deg (Option 02)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Mounting Thread\u003c\/td\u003e\n\u003ctd\u003e3\/8-24 UNF-2B (Option 02)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Adapter Option\u003c\/td\u003e\n\u003ctd\u003e1\/4-28 UNF (Option 02)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Bias Voltage\u003c\/td\u003e\n\u003ctd\u003e-12 VDC +\/- 1 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eMechanical Monitoring and TSI Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 330505-02-02-02-00 sensor utilizes internal moving-coil technology combined with embedded integration electronics to monitor low-frequency casing and bearing housing vibrations. Designed to register slow rotor dynamics without signal degradation, the sensor outputs a continuous analog voltage directly proportional to absolute velocity. This tracking capability targets low-frequency mechanical anomalies down to 0.5 Hz, helping operators trace structural faults on large fluid-film bearings and stator frames before insulation fretting occurs.\u003c\/p\u003e\n\u003cp\u003eThe sensor uses internal cross-talk suppression filters to ensure signal purity across extensive cable runs up to 305 meters. This setup coordinates directly with eddy-current probe scaling protocols, enabling multi-axis gap voltage validation when cross-referencing shaft-relative and casing-absolute telemetry blocks inside the 3500 rack system.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Why does the 330505-02-02-02-00 sensor require a rigid horizontal mounting angle specification?\u003c\/p\u003e\n\u003cp\u003eA: The option 02 configuration optimizes internal suspension spring counterweights for a horizontal orientation (90 deg +\/- 5 deg). Installing the transducer outside this specified spatial window shifts the internal coil centerline, distorting the velocity scale factor and degrading signal accuracy.\u003c\/p\u003e\n\u003cp\u003eQ: Can this sensor be deployed for automated machinery emergency shutdown protection loops?\u003c\/p\u003e\n\u003cp\u003eA: No. Due to the high amplitude integration factors inherent to low-frequency measurement circuits below 1 Hz, transient mechanical or electrical spikes can cause a large output offset that requires several minutes to settle. The sensor is intended for diagnostic tracking and early trend warnings, rather than automatic safety trip execution.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45064800141427,"sku":"330505-02-02-02-00","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-05-20_10-31-47_7c35e730-b85d-492c-9aa6-fb1b77320a79.png?v=1780478007","url":"https:\/\/www.dcssupplier.com\/products\/bently-nevada-330505-02-02-02-00-low-frequency-velocity-sensor","provider":"DcsSupplier Limited","version":"1.0","type":"link"}