{"product_id":"330525-00-bently-nevada-velomitor-xa-piezo-velocity-sensor-stock","title":"330525-00 Bently Nevada Velomitor XA Piezo Velocity Sensor Stock","description":"\u003ch3\u003e\u003cb\u003eProduct Overview\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e330525-00\u003c\/span\u003e\u003c\/b\u003e is an industrial-grade piezoelectric velocity transducer from the \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eVelomitor XA Series\u003c\/span\u003e\u003c\/b\u003e engineered by \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eBently Nevada\u003c\/span\u003e\u003c\/b\u003e. Designed specifically for harsh machinery housing vibration measurement, this solid-state sensor integrates internal integration electronics to output a direct velocity signal proportional to dynamic vibration amplitude.\u003c\/p\u003e\n\u003cp\u003eEnclosed in a hermetically sealed 316L stainless steel housing with an integrated 2-pin Mil-C-26482 connector, the \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e330525-00\u003c\/span\u003e\u003c\/b\u003e delivers extreme environmental resistance (IP67\/hermetic) and 5000 g shock survivability. It operates on standard 2-wire loop power (-22 to -30 VDC) and provides case isolation to eliminate ground loop interference on balance-of-plant machinery.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eConfiguration Breakdown\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003ePart number structure for the \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e330525-00\u003c\/span\u003e\u003c\/b\u003e velocity transducer assembly:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e330525\u003c\/b\u003e — \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eVelomitor XA Series\u003c\/span\u003e\u003c\/b\u003e Piezo-Velocity Sensor\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e-00 Agency Approval Option:\u003c\/b\u003e Uncertified base model (No hazardous area approvals required)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003cth style=\"text-align: left;\"\u003eSpecification Parameter\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eEngineering Operating Value\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eBrand \u0026amp; Manufacturer\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eModel Designation\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e330525-00\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eProduct Line\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eVelomitor XA Series\u003c\/span\u003e\u003c\/b\u003e Piezo-Velocity Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eScale Sensitivity\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e3.94 mV\/mm\/s (100 mV\/in\/s) ±5% at reference conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eFrequency Passband\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e4.5 to 2,000 Hz (±3.0 dB) \/ 6.0 to 1,000 Hz (±0.9 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eDynamic Velocity Limit\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e1270 mm\/s (50 in\/s) peak maximum linear response\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eAmplitude Linearity\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e±2% up to 152 mm\/s (6 in\/s) peak amplitude\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eTransverse Cross-Sensitivity\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eLess than 5% of primary axis sensitivity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMounted Resonance\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eGreater than 12 kHz installed resonant peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOperating Power Range\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e-22 VDC to -30 VDC supply; 2.5 mA to 6.0 mA bias current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eDC Output Bias\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e-12 ± 3.0 VDC referenced to Pin A over temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eHousing \u0026amp; Shell Material\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e316L Stainless Steel (hermetically sealed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eElectrical Connector Type\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e2-pin Mil-C-26482 hermetic 316L stainless steel receptacle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eTemperature Envelope\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e-55°C to +121°C (-67°F to +250°F) operating limit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMechanical Shock Rating\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e5000 g peak maximum shock resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePhysical Dimensions\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e28 mm (1.1 in) diameter × 73.1 mm (2.88 in) height; 156 g (5.5 oz) weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cb\u003eInstallation \u0026amp; Mounting Guidelines\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMounting Surface Prep:\u003c\/b\u003e Machine the target mounting surface flat to within 0.025 mm (0.001 in) TIR with an 0.8 µm (32 µin) surface finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStud Torque Limit:\u003c\/b\u003e Apply thread locking compound and torque the sensor base stud to a maximum of 45 N·m (33 ft-lb).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCable Routing Rules:\u003c\/b\u003e Maintain a minimum cable bend radius of 38.1 mm (1.5 in) at the 2-pin connector strain relief boot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaximum Cable Length:\u003c\/b\u003e Field wiring runs up to 305 meters (1,000 feet) using BN part 02173007 cable experience zero signal degradation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSignal Polarity:\u003c\/b\u003e Pin A shifts positive with respect to Pin B when housing acceleration vector points toward the electrical connector.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eField Calibration \u0026amp; Testing Procedures\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDC Bias Verification:\u003c\/b\u003e Measure DC voltage across Pin A and Pin B under zero dynamic input; verify reading falls within -9.0 VDC to -15.0 VDC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCase Isolation Check:\u003c\/b\u003e Verify megohmmeter resistance between connector shell pins and outer 316L casing exceeds 100 MΩ at 500 VDC testing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLow-Frequency Roll-Off Verification:\u003c\/b\u003e Inject a 4.5 Hz sinusoidal test signal on a shaker table to confirm amplitude remains within -3.0 dB tolerance limits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eSystem Compatibility \u0026amp; Wiring Integration\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e330525-00\u003c\/span\u003e\u003c\/b\u003e integrates directly with Bently Nevada 3500\/42M velocity monitor modules, 1900\/65A general purpose monitors, and Orbit 60 systems. Signals connect via twisted-shielded 2-conductor field cables wired to open-collector constant-current supply interfaces.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eEnvironmental Protection \u0026amp; Design Certifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eHermetic Sealing:\u003c\/b\u003e 100% relative humidity non-submerged protection validated by continuous helium leak checks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGround Isolation:\u003c\/b\u003e Internal sensing element completely isolated from 316L outer case to prevent ground loop noise spikes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eElectromagnetic Shielding:\u003c\/b\u003e Internal Faraday shielding maintains magnetic field susceptibility below 51 µin\/s\/gauss at 50\/60 Hz.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eModel Selection \u0026amp; Comparison\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eCorrect selection between base models and certified regional variants prevents field compliance delays. Compare these configuration options:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eTarget Model:\u003c\/b\u003e \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e330525-00\u003c\/span\u003e\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eAgency Approval: Option -00 (Unapproved base hardware)\u003c\/li\u003e\n\u003cli\u003eApplication Scope: General non-classified balance-of-plant machinery installations\u003c\/li\u003e\n\u003cli\u003eProcurement Cost: Standard pricing tier for uncertified industrial housing monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAlternative Variant:\u003c\/b\u003e \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/330525-05-bently-nevada-velomitor-xa-piezo-velocity-sensor-module\"\u003e\u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e330525-05\u003c\/span\u003e\u003c\/b\u003e\u003c\/a\u003e\n\u003cul\u003e\n\u003cli\u003eAgency Approval: Option -05 (Multi-agency hazardous area approvals: ATEX, IECEx, Class I Div 1\/Div 2)\u003c\/li\u003e\n\u003cli\u003eApplication Scope: Certified intrinsic safety installations in hydrocarbon processing plants\u003c\/li\u003e\n\u003cli\u003eProcurement Cost: Specialized hazardous area compliance pricing tier\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eSelection Guidance:\u003c\/b\u003e Specify the \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e330525-00\u003c\/span\u003e\u003c\/b\u003e for standard industrial environments without hazardous gas atmospheres to optimize procurement lead times. Select the \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/330525-05-bently-nevada-velomitor-xa-piezo-velocity-sensor-module\"\u003e\u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e330525-05\u003c\/span\u003e\u003c\/b\u003e\u003c\/a\u003e variant whenever plant area classification drawings mandate EX\/ATEX zone certification.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003ePackaging \u0026amp; Commercial Terms\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eHardware Condition:\u003c\/b\u003e 100% Factory New \u0026amp; Original in factory sealed box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWarranty Protection:\u003c\/b\u003e Backed by a 12-Month full replacement factory warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExpress Logistics:\u003c\/b\u003e Priority global dispatch via DHL, FedEx, or UPS express networks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHandling Lead Time:\u003c\/b\u003e Ships within 24 to 48 hours following order confirmation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eIndustrial Applications \u0026amp; Fault Diagnostics\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003ePlant reliability teams deploy \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eVelomitor XA Series\u003c\/span\u003e\u003c\/b\u003e hardware across key balance-of-plant rotating assets:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInduction Motors \u0026amp; Generators:\u003c\/b\u003e Early detection of structural unbalance, rotor bow, and stator looseness via overall casing velocity trends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCooling Tower Gearboxes:\u003c\/b\u003e Continuous monitoring of low-frequency gear mesh vibration and bearing raceway degradation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOverhung Centrifugal Pumps:\u003c\/b\u003e Real-time tracking of vane-pass frequency, cavitation impacts, and pipe strain misalignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePaper Machine Rollers:\u003c\/b\u003e Detection of structural resonance and unbalance in low-speed roller bearing pedestals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eGlobal PLC Spare HUB's Insight\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003ePiezo-velocity transducers like the \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e330525-00\u003c\/span\u003e\u003c\/b\u003e are the preferred choice for casing vibration monitoring because their internal integrating electronics eliminate the high-frequency noise amplification typical of standard accelerometers. By integrating acceleration to velocity inside the sensor body, the signal remains clean across the critical 4.5 Hz to 2 kHz frequency band.\u003c\/p\u003e\n\u003cp\u003eDuring a field audit on a critical boiler feed pump setup, maintenance personnel experienced intermittent false vibration spikes. Our engineers traced the issue to poor stud surface contact and over-torquing of the sensor body. Replacing the damaged unit with a fresh \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e330525-00\u003c\/span\u003e\u003c\/b\u003e and torquing the stud precisely to 45 N·m restored stable baseline velocity readings. Always ensure the 2-pin connector latch ring is fully hand-tightened to preserve IP67 hermetic sealing.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eFrequently Asked Questions (FAQ)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ: What mechanical advantage does a piezo-velocity sensor hold over a traditional moving-coil velocity pickup?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: Moving-coil sensors rely on physical springs and coils that wear out, degrade under high shock, and suffer from magnetic orientation limits. Piezo-velocity hardware uses solid-state crystals with zero moving parts, providing superior reliability and a 5000 g shock rating.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: How does internal integration affect high-frequency acoustic emissions during bearing failure?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: The internal integration circuit acts as a low-pass filter, attenuating high-frequency noise above 2 kHz. This prevents high-frequency bearing impact spikes from saturating the monitor input channels.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: Can I connect this transducer directly to a standard 4-20 mA PLC analog input card?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: No, this unit outputs a dynamic AC voltage signal riding on a DC bias. Direct PLC connection requires an intervening Bently Nevada monitor or a 4-20 mA signal conditioner transmitter.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: What root cause usually triggers a drop in the DC bias voltage below -9 VDC?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: A dropped bias voltage typically indicates moisture ingress inside the field connector, a cracked internal piezo-crystal element from severe mechanical impact, or inadequate power supply current.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: What factors should guide my decision between selecting an uncertified sensor versus an explosion-proof certified unit?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: Examine the plant area classification drawing for the target machine skid. If the site is rated Class I Division 1 or Division 2 (ATEX Zone 1\/2), you must order a certified variant; for non-hazardous locations, the standard base model provides identical measurement performance at lower cost.\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":45013952659638,"sku":"330525-00","price":57.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/3305252_3_e2400361-ab68-4bcc-962a-ffbc95d04c61.jpg?v=1788770442","url":"https:\/\/www.plcsparehub.com\/products\/330525-00-bently-nevada-velomitor-xa-piezo-velocity-sensor-stock","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}