{"product_id":"330525-05-bently-nevada-velomitor-xa-piezo-velocity-sensor-module","title":"330525-05 Bently Nevada Velomitor XA Piezo-velocity Sensor Module","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e330525-05\u003c\/strong\u003e is a ruggedized piezo-velocity transducer engineered by \u003cstrong\u003eBently Nevada\u003c\/strong\u003e under the \u003cstrong\u003eVelomitor XA\u003c\/strong\u003e (eXtended Application) series. Designed for harsh industrial environments, this sensor features a hermetically-sealed 316L stainless steel housing and a specialized weatherproof connector. It measures absolute casing vibration with high precision, eliminating the need for protective housings while meeting rigorous NEMA 4X and IP-65 ingress protection standards for critical machinery protection systems.\u003c\/p\u003e\n\u003ch3\u003ePart Number \u0026amp; Configuration Breakdown\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Model:\u003c\/strong\u003e \u003cstrong\u003e330525\u003c\/strong\u003e (Velomitor XA Piezo-velocity Sensor Platform)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuffix Extension (-05):\u003c\/strong\u003e Designates agency approval configuration option 05 (SIRA\/CENELEC hazardous area certification package).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e \u003cstrong\u003eBently Nevada\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e \u003cstrong\u003eVelomitor XA\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New \u0026amp; Original in Factory Packing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications Matrix\u003c\/h3\u003e\n\u003ch4\u003e1. Dynamic Performance \u0026amp; Sensitivity\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity:\u003c\/strong\u003e 3.94 mV\/mm\/s (100 mV\/in\/s) ± 5 %\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 4.5 to 2,000 Hz (270 to 120,000 cpm) ± 3.0 dB; 6.0 to 1,000 Hz (360 to 60,000 cpm) ± 0.9 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVelocity Range:\u003c\/strong\u003e 1270 mm\/s (50 in\/s) peak\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplitude Linearity:\u003c\/strong\u003e ± 2 % to 152 mm\/s (6 in\/s) peak\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounted Resonant Frequency:\u003c\/strong\u003e Greater than 12 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransverse Sensitivity:\u003c\/strong\u003e Less than 5 % of sensitivity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroadband Noise Floor:\u003c\/strong\u003e Less than 0.004 mm\/s (160 μin\/s) rms nominal (4.5 Hz to 2 kHz)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e2. Electrical \u0026amp; Power Parameters\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Voltage Supply:\u003c\/strong\u003e -22 to -30 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Current:\u003c\/strong\u003e 2.5 to 6.0 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Bias Voltage:\u003c\/strong\u003e -12 ± 3.0 V DC over temperature referenced to Pin A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Output Impedance:\u003c\/strong\u003e Less than 2400 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolarity:\u003c\/strong\u003e Pin A goes positive relative to Pin B when case motion is toward the connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e3. Environmental \u0026amp; Mechanical Construction\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating \u0026amp; Storage Temperature:\u003c\/strong\u003e -55 °C to +121 °C (-67 °F to +250 °F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShock Survivability:\u003c\/strong\u003e 5000 g peak maximum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelative Humidity:\u003c\/strong\u003e Up to 100 % non-submerged; hermetically sealed case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Field Susceptibility:\u003c\/strong\u003e \u0026lt; 51 μin\/s\/gauss (50 gauss, 50-60 Hz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhysical Dimensions:\u003c\/strong\u003e Diameter 28 mm (1.1 in); Height 73.1 mm (2.88 in)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Weight:\u003c\/strong\u003e 156 g (5.5 oz) typical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Material:\u003c\/strong\u003e 316L stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Type:\u003c\/strong\u003e 2-pin Mil-C-26482 hermetically sealed with 316L stainless steel shell\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation \u0026amp; Wiring Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Torque:\u003c\/strong\u003e 45 N·m (33 ft-lb) maximum on mounting stud to ensure high-frequency response integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Specifications:\u003c\/strong\u003e Maximum cable length up to 305 meters (1,000 feet) using \u003cstrong\u003eBently Nevada\u003c\/strong\u003e part number 02173007 extension cable without signal degradation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBend Radius:\u003c\/strong\u003e Maintain a 1.5-inch minimum bend radius on the mating cable assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Case isolated design to eliminate ground loops in noisy electrical substations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHazardous Area Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntrinsic Safety:\u003c\/strong\u003e Ex ia IIC T4; AEx ia IIC T4; Class I, Division 1, Groups A, B, C, D; Class II, Groups E, F, G; Class III (T4 at -40 °C ≤ Ta ≤ 100 °C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-Incendive \/ Energy Limited:\u003c\/strong\u003e Ex nL IIC T4; AEx nA IIC T4; Class I, Div 2, Groups A, B, C, D installed per drawing 167539 (T4 at -40 °C ≤ Ta ≤ 100 °C)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDiagnostic Capabilities \u0026amp; Fault Monitoring\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBias Voltage Check:\u003c\/strong\u003e Monitoring the -12 V DC output bias voltage through the monitoring system channel provides immediate verification of transducer health and cabling continuity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Floor Tracking:\u003c\/strong\u003e An elevated broadband noise floor (\u0026gt; 0.004 mm\/s) often indicates physical cable friction, loose mounting torque, or severe electromagnetic interference.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGlobal PLC Spare HUB's Insight \u0026amp; Expert Guidance\u003c\/h3\u003e\n\u003cp\u003eGlobal PLC Spare HUB's Insight emphasizes that piezovelocity sensors require solid, flat mounting surfaces free of paint or corrosion. When mounting the \u003cstrong\u003e330525-05\u003c\/strong\u003e, applying a thin film of silicone grease or machine oil to the stud interface optimizes high-frequency transmissibility and prevents erroneous high-frequency roll-off.\u003c\/p\u003e\n\u003ch3\u003eCompatible Equipment \u0026amp; Target Application Scenarios\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Monitoring Systems:\u003c\/strong\u003e \u003cstrong\u003eBently Nevada\u003c\/strong\u003e 3500 Machinery Protection System, 3300 rack monitors, and compatible seismic vibration monitors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget Applications:\u003c\/strong\u003e Heavy-duty gas and steam turbines, centrifugal and reciprocating compressors, large industrial pumps, cooling tower fans, and high-vibration gearboxes in hazardous chemical processing plants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLogistics, Fulfillment \u0026amp; Warranty Protection\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Carriers:\u003c\/strong\u003e Express global dispatch via \u003cstrong\u003eFedEx\u003c\/strong\u003e, \u003cstrong\u003eUPS\u003c\/strong\u003e, and \u003cstrong\u003eDHL\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFulfillment Speed:\u003c\/strong\u003e Guaranteed processing and dispatch within 24 to 48 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Terms:\u003c\/strong\u003e Fully backed by a 12-month factory replacement or repair warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProfessional Frequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow can I verify if the 330525-05 sensor is functioning correctly during routine checks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMeasure the DC output bias voltage across Pin A and Pin B at the monitor input; a reading within the -9 V DC to -15 V DC window confirms internal amplifier integrity and proper loop power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this velocity transducer be installed outdoors without a protective housing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the hermetically-sealed 316L stainless steel body and weatherproof Mil-C-26482 connector comply with NEMA 4X and IP-65 ratings, allowing direct outdoor mounting in moist and corrosive atmospheres.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat precautions should be taken when running long extension cables?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUse the specified Bently Nevada shielded extension cable (part number 02173007) up to 305 meters, ensuring the shield is grounded at only one end to prevent ground loops and high-frequency noise injection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the best selection guidelines when replacing older seismic sensors with this model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eVerify that your monitoring rack supplies constant current loop power between -22 V DC and -30 V DC with 2.5 to 6.0 mA bias current, and confirm the -05 SIRA\/CENELEC hazardous approval matches your plant safety zone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat causes sudden spikes or erratic high-frequency signals on the vibration readout?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eErratic spikes typically result from loose mechanical mounting torque below the 45 N·m specification, cable whipping due to inadequate clamps, or severe electrical transients exceeding standard shielding limits.\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":45013952725174,"sku":"330525-05","price":253.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/3305252_7124ddd7-48c2-4c28-bbc2-12b07b016cff.jpg?v=1787033452","url":"https:\/\/www.plcsparehub.com\/products\/330525-05-bently-nevada-velomitor-xa-piezo-velocity-sensor-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}