{"product_id":"330525-01-bently-nevada-velomitor-xa-vibration-sensor","title":"330525-01 Bently Nevada Velomitor XA Vibration Sensor","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0b5ed7; font-weight: bold;\"\u003e330525-01\u003c\/span\u003e \u003cspan style=\"color: #0b5ed7; font-weight: bold;\"\u003eVelomitor XA\u003c\/span\u003e Piezo-velocity sensor from \u003cspan style=\"color: #0b5ed7; font-weight: bold;\"\u003eBently Nevada\u003c\/span\u003e provides absolute casing vibration measurements for industrial machinery. This compact transducer integrates solid-state piezoelectric technology with internal signal conditioning to monitor high-frequency seismic velocity accurately.\u003c\/p\u003e\n\u003ch3\u003eConfiguration Breakdown and Technical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px;\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003cth style=\"padding: 10px; text-align: left;\"\u003ePerformance Parameter\u003c\/th\u003e\n\u003cth style=\"padding: 10px; text-align: left;\"\u003eEngineering Specification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eBrand \u0026amp; Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eBently Nevada | \u003cspan style=\"color: #0b5ed7; font-weight: bold;\"\u003e330525-01\u003c\/span\u003e (\u003cspan style=\"color: #0b5ed7; font-weight: bold;\"\u003eVelomitor XA Series\u003c\/span\u003e)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eSensitivity \u0026amp; Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e3.94 mV\/mm\/s (100 mV\/in\/s) ±5% up to 1270 mm\/s peak velocity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e4.5 to 2,000 Hz (±3.0 dB) and 6.0 to 1,000 Hz (±0.9 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eLinearity \u0026amp; Noise Floor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e±2% linearity to 152 mm\/s peak; broadband noise floor \u0026lt;0.004 mm\/s rms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eElectrical Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e-22 to -30 VDC input, 2.5 to 6.0 mA bias current, -12 VDC bias output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eEnvironmental Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e-55°C to +121°C operating range, 100% relative humidity, hermetically sealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eMechanical Construction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e316L stainless steel housing, 156 g weight, 2-pin Mil-C-26482 connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility and Model Selection Guide\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0b5ed7; font-weight: bold;\"\u003e330525-01\u003c\/span\u003e features a CSA\/NRTL\/C agency approval suffix (-01). When planning upgrades or replacement matrices, evaluate alternative configuration options. For example, review the alternative specification \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/330525-05-bently-nevada-velomitor-xa-piezo-velocity-sensor-module\"\u003e\u003cspan style=\"color: #0b5ed7; font-weight: bold;\"\u003e330525-05\u003c\/span\u003e\u003c\/a\u003e if your installation environment demands alternative hazardous area certifications or European conformity standards.\u003c\/p\u003e\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the sensor securely onto a flat, spot-faced machine surface to maintain high-frequency response.\u003c\/li\u003e\n\u003cli\u003eApply a maximum recommended mounting torque of 45 N-m (33 ft-lb) using a threaded mounting stud.\u003c\/li\u003e\n\u003cli\u003eRoute the signal cable carefully while maintaining a strict 1.5-inch minimum bend radius.\u003c\/li\u003e\n\u003cli\u003eConnect the hermetically sealed 2-pin Mil-C-26482 plug, ensuring Pin A references case motion toward the connector.\u003c\/li\u003e\n\u003cli\u003eVerify that field wiring length does not exceed 305 meters using compatible low-capacitance cable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommissioning and Maintenance Convenience\u003c\/h3\u003e\n\u003cp\u003eThe hermetically sealed 316L stainless steel shell resists corrosive plant atmospheres, eliminating moisture ingress. The case-isolated design prevents ground loops from corrupting the dynamic -12 VDC output signal. Technicians verify sensor health rapidly by checking resting bias voltage prior to full machinery startup.\u003c\/p\u003e\n\u003ch3\u003eApplication Scenarios and Diagnostic Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCritical Turbomachinery:\u003c\/strong\u003e Monitors absolute bearing housing vibration on large centrifugal compressors and pumps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGearbox Surveillance:\u003c\/strong\u003e Detects high-frequency mesh faults and bearing wear signatures effectively.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostic Tracking:\u003c\/strong\u003e Isolates structural resonances and unbalance conditions through broadband velocity analysis.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCertification, Packing List, and Warranty Terms\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazardous Certifications:\u003c\/strong\u003e Ex ia IIC T4, Class I Div 1 Groups A-D, and Ex nA\/nL approvals (-01 option).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePacking List:\u003c\/strong\u003e One \u003cspan style=\"color: #0b5ed7; font-weight: bold;\"\u003e330525-01\u003c\/span\u003e sensor supplied in original factory packaging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Terms:\u003c\/strong\u003e Backed by a comprehensive 12-month manufacturer warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogistics:\u003c\/strong\u003e Fast 24-48 hour order dispatch via FedEx, UPS, or DHL.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGlobal PLC Spare HUB's Insight \u0026amp; Field Experience\u003c\/h3\u003e\n\u003cp\u003eOur engineering team at Global PLC Spare HUB frequently notes that improper stud mounting creates high-frequency signal attenuation. When installing the \u003cspan style=\"color: #0b5ed7; font-weight: bold;\"\u003e330525-01\u003c\/span\u003e, always ensure the mounting pad is polished flat and clean of paint or scale. Using a thin layer of silicone grease on the stud threads improves high-frequency transmissibility across the mounting interface.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary operational difference between velocity sensors and proximity probes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Proximity probes measure relative shaft-to-housing displacement, whereas the \u003cspan style=\"color: #0b5ed7; font-weight: bold;\"\u003e330525-01\u003c\/span\u003e measures absolute casing vibration velocity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why does the sensor output experience signal drift during rapid thermal transients?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Although the unit features internal temperature compensation, sudden extreme temperature shifts can temporarily alter the piezoelectric output until thermal equilibrium stabilizes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use standard unshielded twisted pair wiring for signal transmission over long distances?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No, you must use dedicated shielded instrumentation cable (such as BN part number 02173007) to prevent electromagnetic interference over long cable runs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the case-isolated design protect the monitoring rack from electrical noise?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Case isolation breaks ground loops between the machine casing and the monitor common circuit, eliminating 50\/60 Hz grid hum.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What diagnostic advantage does the 12 kHz mounted resonant frequency provide?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: It ensures the sensor mechanical resonance stays well outside the normal operating frequency band, preventing artificial signal amplification.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/330525.png?v=1787033010\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45013952692406,"sku":"330525-01","price":256.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/3305252_bd6d153f-352d-43c4-b8c6-2b91022f2644.jpg?v=1789451979","url":"https:\/\/www.plcsparehub.com\/products\/330525-01-bently-nevada-velomitor-xa-vibration-sensor","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}