{"product_id":"330505-02-02-03-low-frequency-transducer-bently-nevada","title":"330505-02-02-03 Low Frequency Transducer Bently Nevada","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003e330505-02-02-03 Bently Nevada Low Frequency Velocity Sensor\u003c\/strong\u003e\u003c\/span\u003e delivers high-precision seismic vibration measurements across slow-rotating industrial machinery.\u003c\/p\u003e\n\u003cp\u003eCondition monitoring monitoring systems rely on this piezovelocimeter transducer to capture low-frequency structural vibration down to 0.5 Hz (30 cpm).\u003c\/p\u003e\n\u003cp\u003eEnclosed in a hermetically sealed 300-series stainless steel housing, the assembly resists harsh industrial dampness while providing stable voltage output.\u003c\/p\u003e\n\u003cp\u003eEngineers integrate this sensor with Bently Nevada 3500\/46M monitors to ensure continuous diagnostic surveillance over long field cable runs.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePart Number Suffix \u0026amp; Configuration Breakdown\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe hierarchical tree below details the specific option code configuration for the \u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003e330505-02-02-03\u003c\/strong\u003e\u003c\/span\u003e using MECE principles:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e330505\u003c\/strong\u003e — \u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003eBently Nevada Low Frequency Velocity Sensor\u003c\/strong\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e02\u003c\/strong\u003e — Transducer Mounting Angle: 90° ± 5° vertical\/horizontal orientation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e02\u003c\/strong\u003e — Internal Mounting Thread: 3\/8-24 UNF-2B internal thread specification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e03\u003c\/strong\u003e — Mounting Adapter Option: 1\/4-28 UNF mounting adapter stud\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications Table\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" width=\"100%\"\u003e\n\u003cthead\u003e\n\u003ctr bgcolor=\"#f2f2f2\"\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification Category\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eEngineering Parameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eTechnical Value \/ Measurement\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e\u003cstrong\u003eSystem Identification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003eBently Nevada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Designation\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003e330505-02-02-03\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition \u0026amp; Packaging\u003c\/td\u003e\n\u003ctd\u003eNew \u0026amp; Original in Factory Packing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"5\"\u003e\u003cstrong\u003eElectrical \u0026amp; Dynamic Performance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eScale Sensitivity\u003c\/td\u003e\n\u003ctd\u003e20 mV\/mm\/s (508 mV\/in\/s) ±10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response Range\u003c\/td\u003e\n\u003ctd\u003e0.5 Hz to 1000 Hz (30 to 60,000 cpm) ±3.0 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVelocity Measurement Range\u003c\/td\u003e\n\u003ctd\u003e102 mm\/s (4 in\/s) peak maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Bias Voltage\u003c\/td\u003e\n\u003ctd\u003e-12 ±1 VDC baseline offset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Signal Run Distance\u003c\/td\u003e\n\u003ctd\u003eUp to 305 meters (1000 feet) to 3500\/46M without signal degradation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"4\"\u003e\u003cstrong\u003eMechanical Construction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSensor Casing Material\u003c\/td\u003e\n\u003ctd\u003e300 series stainless steel assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Interface Type\u003c\/td\u003e\n\u003ctd\u003e2-pin Mil-C-5015 receptacle, hermetically sealed stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit Weight \u0026amp; Mounting Torque\u003c\/td\u003e\n\u003ctd\u003eWeight: \u0026lt; 375 grams (13.2 oz) | Max Torque: 46 kg cm (40 in-lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Polarity Alignment\u003c\/td\u003e\n\u003ctd\u003ePin A positive relative to Pin B when base moves toward top\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"3\"\u003e\u003cstrong\u003eEnvironmental Tolerances\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOperating \u0026amp; Storage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +100°C (-40°F to +212°F) continuous surface temp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShock Survivability Limit\u003c\/td\u003e\n\u003ctd\u003e981 m\/s\u003csup\u003e2\u003c\/sup\u003e (100g) peak impact threshold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity \u0026amp; Sealing\u003c\/td\u003e\n\u003ctd\u003e100% non-submerged (hermetically sealed enclosure)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eTarget Equipment \u0026amp; Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydroelectric Francis \u0026amp; Kaplan Turbines:\u003c\/strong\u003e Measures low-frequency structural vibration on slow-speed runner shafts and bearing pedestals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling Tower \u0026amp; Heat Exchanger Fans:\u003c\/strong\u003e Monitors low-RPM gearboxes and fan drive assemblies for structural unbalance and blade passing frequencies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReciprocating Gas Compressors:\u003c\/strong\u003e Detects frame vibration and foundation looseness operating below standard accelerometer response thresholds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eAdvanced Diagnostic Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003e330505-02-02-03\u003c\/strong\u003e\u003c\/span\u003e outputs a dynamic AC voltage signal riding on a -12 VDC bias, directly proportional to casing vibration velocity.\u003c\/p\u003e\n\u003cp\u003eMachinery protection systems process this raw signal to generate real-time velocity spectra, overall RMS trends, and peak displacement integrations.\u003c\/p\u003e\n\u003cp\u003eReliability teams isolate low-speed shaft unbalance, structural resonance, and piping stress before mechanical fatigue damages bearing housings.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight \u0026amp; Field Experience\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDuring a predictive maintenance overhaul at a hydro-power generating plant, standard accelerometers failed to provide reliable vibration data on slow-turning 90 RPM turbine shafts.\u003c\/p\u003e\n\u003cp\u003eHigh-frequency noise masked the low-frequency mechanical faults, resulting in missed early warning indicators.\u003c\/p\u003e\n\u003cp\u003eOur engineering team supplied the \u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003e330505-02-02-03\u003c\/strong\u003e\u003c\/span\u003e low-frequency velocity transducer.\u003c\/p\u003e\n\u003cp\u003eIts high sensitivity down to 0.5 Hz filtered out high-frequency flow turbulence, delivering clean velocity signals to the 3500 monitoring rack.\u003c\/p\u003e\n\u003cp\u003eThe plant maintenance team successfully identified structural foundation bolt looseness, averting a major forced outage during peak generation.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePackaging, Delivery \u0026amp; Warranty Terms\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEvery \u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003e330505-02-02-03\u003c\/strong\u003e\u003c\/span\u003e unit is inspected and dispatched in original factory sealed packaging to preserve hermetic integrity.\u003c\/p\u003e\n\u003cp\u003eOrders ship within 24 to 48 hours via global express couriers including FedEx, UPS, and DHL.\u003c\/p\u003e\n\u003cp\u003eAll units come with full 12-month factory warranty coverage against manufacturing defects.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: How does piezovelocimeter technology differ from standard accelerometers in low-speed machinery monitoring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA1: Piezovelocimeters integrate acceleration signals internally to yield velocity directly, offering higher signal-to-noise ratios at frequencies below 10 Hz compared to standard accelerometers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: What is the significance of the 90° mounting angle option designated by the -02 suffix?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA2: Suffix -02 configures the internal sensing element specifically for mounting at a 90° ± 5° orientation relative to the machine surface, maintaining accurate internal calibration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Why must technicians adhere strictly to the maximum 40 in-lb mounting torque spec?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA3: Over-torquing deforms the stainless steel base plate, introducing mechanical stress that alters internal crystal alignment and distorts low-frequency sensitivity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: How does the -12 VDC output bias voltage assist in automated wiring diagnostics?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA4: The monitoring system checks the steady-state -12 VDC bias; deviations indicate shorted field cables, open connections, or damaged sensor electronics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: What essential checks verify genuine sensor condition when sourcing replacement inventory?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA5: Confirm original factory seal tags, verify 2-pin Mil-C-5015 connector pins show zero oxidation, and ensure your supplier provides 12-month warranty documentation.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/330505.png?v=1779178777\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45013922611382,"sku":"330505-02-02-03","price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/BentlyNevada330505_3_37c346be-9296-48e7-bcca-960654ab16e7.jpg?v=1787902273","url":"https:\/\/www.plcsparehub.com\/products\/330505-02-02-03-low-frequency-transducer-bently-nevada","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}