{"product_id":"bently-nevada-190501-12-99-04-velomitor-ct-velocity-transducer","title":"Bently Nevada 190501-12-99-04 Velomitor CT Velocity Transducer","description":"\u003cp\u003eThe Bently Nevada 190501-12-99-04 is a specialized Velomitor CT (Cooling Tower) velocity transducer engineered for low-frequency vibration monitoring. This piezoelectric sensor is optimized to measure casing vibration velocity on rotating machinery, specifically air-cooled heat exchangers and cooling tower fan assemblies operating at speeds of 90 RPM or higher.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLow-frequency response optimized for cooling tower and fan assembly monitoring.\u003c\/li\u003e\n\u003cli\u003eMeasures casing vibration velocity to detect mechanical faults in rotating equipment.\u003c\/li\u003e\n\u003cli\u003eIntegrated 32-foot cable for simplified field installation.\u003c\/li\u003e\n\u003cli\u003eIncludes mounting hardware (12 Plate Stud 3\/8-in 24 to M8x1).\u003c\/li\u003e\n\u003cli\u003eHazardous area certified for Class I, Division 1 and Class I, Zone 0\/1 environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePower Generation: Protection for cooling tower fans and auxiliary cooling systems.\u003c\/li\u003e\n\u003cli\u003eOil \u0026amp; Gas: Monitoring critical cooling systems and heat exchangers.\u003c\/li\u003e\n\u003cli\u003ePetrochemical \u0026amp; Chemical: Ensuring reliability of large-scale air-cooled heat exchangers.\u003c\/li\u003e\n\u003cli\u003eWastewater Treatment: Continuous vibration monitoring for aeration and cooling fan assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e190501-12-99-04\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e3.94 mV\/mm\/s (100 mV\/in\/s) +\/- 5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransverse Response\u003c\/td\u003e\n\u003ctd\u003eLess than 5% of axial sensitivity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003ePlate Stud 3\/8-in 24 to M8x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable\u003c\/td\u003e\n\u003ctd\u003eIncluded 32-foot integral cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHazardous Area Approval\u003c\/td\u003e\n\u003ctd\u003eCSA\/NRTL\/C (Class I, Div 1); ATEX\/IECEx\/CSA (Class I, Zone 0\/1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Use the provided 3\/8-in 24 to M8x1 stud. Apply a thread sealant such as Loctite 242 to the mounting stud to prevent loosening caused by continuous low-frequency oscillations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazardous Areas:\u003c\/strong\u003e When installing in Class I, Div 1 or Zone 0\/1 environments, you must utilize an intrinsically safe (IS) galvanic isolator or zener barrier to ensure compliance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandling:\u003c\/strong\u003e As a precision piezoelectric sensor, avoid dropping or subjecting the transducer to high-impact shocks during installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabling:\u003c\/strong\u003e Route the integral 32-foot cable away from high-voltage power lines to minimize electromagnetic interference (EMI).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003ch3\u003eWhat is the primary purpose of the 190501-12-99-04?\u003c\/h3\u003e\u003cp\u003eThis transducer is designed to monitor casing vibration on low-speed rotating equipment, specifically cooling tower fans and air-cooled heat exchangers that operate at 90 RPM or above.\u003c\/p\u003e\u003ch3\u003eWhat is the sensitivity of this sensor?\u003c\/h3\u003e\u003cp\u003eThe sensor features a standard sensitivity of 3.94 mV\/mm\/s (100 mV\/in\/s) with a tolerance of +\/- 5%.\u003c\/p\u003e\u003ch3\u003eDoes this model require specific safety barriers?\u003c\/h3\u003e\u003cp\u003eYes, for installations in hazardous locations (Class I, Div 1 or Zone 0\/1), an approved intrinsically safe galvanic isolator or zener barrier is required.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":50998334554364,"sku":"190501-12-99-04","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_6bd5747a-6a65-47df-93bc-ea8355cddaab.jpg?v=1787164601","url":"https:\/\/www.electronicplc.com\/products\/bently-nevada-190501-12-99-04-velomitor-ct-velocity-transducer","provider":"Electronic PLC","version":"1.0","type":"link"}