{"product_id":"330500-03-04-velomitor-piezo-velocity-sensor-bently-nevada","title":"330500-03-04 Velomitor Piezo-velocity Sensor | Bently Nevada","description":"\u003cp\u003eThe \u003cstrong\u003eBently Nevada 330500-03-04\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e330500-03-04\u003c\/strong\u003e Velomitor sensor, operates as a dedicated hardware component for sensing seismic vibration velocity within machinery protection 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\u003e330500-03-04\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.20 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 330500 series housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard industrial range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eLoop-powered via vibration monitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Thread\u003c\/td\u003e\n\u003ctd\u003e1\/4-28 UNF\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 330500-03-04 utilizes a piezoelectric element to generate an electrical signal proportional to casing vibration velocity. Unlike eddy-current displacement sensors that require gap voltage validation (-10 VDC targets) to determine shaft position, this sensor provides a continuous output for seismic monitoring. To ensure data accuracy, proper cross-talk suppression must be maintained by routing interface cabling away from high-power AC lines or variable frequency drive conductors to prevent electromagnetic noise induction. Rotor dynamics analysis is contingent upon the rigidity of the mounting interface; ensure the transducer is seated firmly against a flat, clean surface to prevent high-frequency attenuation.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1\/4-28 UNF mounting thread require a specific installation procedure?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The mounting stud must be tightened to ensure a rigid, metal-to-metal connection with the machine casing. A secure installation is mandatory to prevent resonance errors and degradation of the high-frequency response.\u003c\/p\u003e\n\u003cp\u003eQ: Is this sensor suitable for hazardous area installations?\u003c\/p\u003e\n\u003cp\u003eA: The -04 suffix indicates compliance with CSA and ATEX agency approvals. Ensure all installation practices, including the use of intrinsic safety barriers, align with the specific regulatory documentation for the target hazardous location.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMachine the mounting surface to a flat, smooth finish to optimize vibration energy transfer.\u003c\/li\u003e\n\u003cli\u003eApply a thin layer of light machine oil or silicone coupling grease to the transducer base to eliminate air gaps at the interface.\u003c\/li\u003e\n\u003cli\u003eThread the sensor into the prepared 1\/4-28 UNF mounting hole and tighten until the base is fully seated.\u003c\/li\u003e\n\u003cli\u003eSecure the coaxial cable at close intervals to minimize mechanical strain and vibration-induced \"cable whip.\"\u003c\/li\u003e\n\u003cli\u003ePerform a system loop check and verify the bias voltage level at the monitor input terminals before machine startup.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":43551809601626,"sku":"330500-03-04","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/330400-01-05_f7fd93c7-6f68-4900-94ce-2142605a83f9.png?v=1782359079","url":"https:\/\/www.spareoil.com\/es\/products\/330500-03-04-velomitor-piezo-velocity-sensor-bently-nevada","provider":"SpareOil Automation","version":"1.0","type":"link"}