{"product_id":"bently-nevada-330400-02-05-accelerometer-acceleration-tranducer","title":"Bently Nevada 330400-02-05 Accelerometer Acceleration Tranducer","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 330400-02-05\u003c\/strong\u003e is a \u003cstrong\u003ethree-wire piezoelectric accelerometer\u003c\/strong\u003e with an \u003cstrong\u003eM8 x 1 integral stud\u003c\/strong\u003e and \u003cstrong\u003emultiple hazardous area approvals\u003c\/strong\u003e (CSA, ATEX, IECEx). Designed for critical machinery casing acceleration measurement, it meets \u003cstrong\u003eAPI Standard 670\u003c\/strong\u003e and delivers \u003cstrong\u003e100 mV\/g sensitivity\u003c\/strong\u003e with a \u003cstrong\u003e50 g peak amplitude range\u003c\/strong\u003e. The metric M8 x 1 mounting thread is ideal for European and Asian OEM machinery, eliminating the need for Imperial-to-metric adapter bushings that can loosen under vibration.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Piezoelectric Accelerometer \/ Acceleration Transducer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Thread:\u003c\/strong\u003e M8 x 1 integral stud\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAgency Approvals:\u003c\/strong\u003e 05 = Multiple (CSA, ATEX, IECEx)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity:\u003c\/strong\u003e 10.2 mV\/m\/s² (100 mV\/g) ±5%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcceleration Range:\u003c\/strong\u003e 490 m\/s² (50 g) peak overall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplitude Linearity:\u003c\/strong\u003e ±1% to 490 m\/s² (50 g) peak\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 10 Hz to 15 kHz (±3 dB); 30 Hz to 10 kHz (±10%)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroadband Noise Floor:\u003c\/strong\u003e 0.039 m\/s² (0.004 g) rms (10 Hz to 15 kHz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounted Resonant Frequency:\u003c\/strong\u003e \u0026gt;30 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransverse Sensitivity:\u003c\/strong\u003e \u0026lt;5% of axial\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Sensitivity:\u003c\/strong\u003e -11% to +3% typical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -55°C to +121°C (-67°F to +250°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -55°C to +121°C (-67°F to +250°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelative Humidity:\u003c\/strong\u003e 100% condensing (hermetically sealed case)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP Rating:\u003c\/strong\u003e Equivalent to IP68 (sensor body only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Requirements:\u003c\/strong\u003e -24 ±0.5 Vdc; 2 mA nominal bias current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Bias Voltage:\u003c\/strong\u003e -8.5 ±0.5 Vdc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Case isolated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Material:\u003c\/strong\u003e 316L stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 23 mm (0.93 in) diameter x 59 mm (2.3 in) height\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 100 g (3.5 oz) typical (without cable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Torque:\u003c\/strong\u003e 4.1 N·m (3.0 ft·lb)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShock Survivability:\u003c\/strong\u003e 49,050 m\/s² (5,000 g) peak\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetric M8 x 1 integral stud\u003c\/strong\u003e — direct mounting on European and Asian machinery without adapter bushings, eliminating a common failure mode where Imperial-to-metric adapters loosen under cyclic vibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAPI 670 compliant\u003c\/strong\u003e — meets global oil \u0026amp; gas and petrochemical specifications for accelerometer performance and reliability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple hazardous area certifications\u003c\/strong\u003e — CSA, ATEX, and IECEx approvals enable single-SKU global deployment across North America, Europe, and international projects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase-isolated, hermetically sealed design\u003c\/strong\u003e — 316L stainless steel housing with isolated ground prevents electrical noise and withstands corrosive, 100% condensing environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide 10 Hz to 15 kHz frequency response\u003c\/strong\u003e — captures gear mesh, bearing defect, and blade pass frequencies for comprehensive machine diagnostics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-low noise floor\u003c\/strong\u003e — 0.004 g rms enables detection of early-stage bearing pitting and gear tooth cracks before they propagate to failure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGear mesh monitoring on European-manufactured gearboxes and speed increasers\u003c\/li\u003e\n\u003cli\u003eBearing housing acceleration on Siemens, ABB, and other metric-standard turbomachinery\u003c\/li\u003e\n\u003cli\u003eWind turbine gearbox and generator bearing health monitoring (metric mount)\u003c\/li\u003e\n\u003cli\u003eMachine tool spindle vibration monitoring on CNC equipment with M8 mounting\u003c\/li\u003e\n\u003cli\u003eReciprocating compressor crosshead and frame acceleration measurement\u003c\/li\u003e\n\u003cli\u003eOffshore platform and refinery hazardous area installations requiring ATEX\/IECEx certification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify hazardous area requirements\u003c\/strong\u003e — confirm zone classification and ensure the -05 suffix covers your region (CSA for North America, ATEX for Europe, IECEx for international).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrepare M8 x 1 mounting hole\u003c\/strong\u003e — machine a flat surface (32 μin rms) and drill\/tap an M8 x 1 hole perpendicular to the vibration measurement axis. Depth must accommodate the full stud length plus one thread.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean mounting surface\u003c\/strong\u003e — remove oil, paint, and debris with isopropyl alcohol. A clean, flat surface is critical for high-frequency response above 5 kHz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApply mounting torque\u003c\/strong\u003e — tighten to \u003cstrong\u003e4.1 N·m (3.0 ft·lb)\u003c\/strong\u003e using a calibrated torque wrench. Do not exceed this value — the piezoelectric crystal will fracture under excessive preload.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect cable\u003c\/strong\u003e — use Bently Nevada 130539-XX, 16925-XX, or 16710-XX series cable with the 3-pin MIL-C-5015 connector. Thread the connector fully and verify the seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApply -24 Vdc power\u003c\/strong\u003e — connect to a regulated supply. Verify -8.5 Vdc bias and 100 mV\/g sensitivity using a reference shaker or known vibration source.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoute and secure cable\u003c\/strong\u003e — avoid sharp bends (\u0026lt;25 mm radius), maintain 300 mm from VFD cables, and secure with cable ties every 300 mm to prevent fatigue.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 330400-02-05 and 330400-01-05?\u003c\/strong\u003e\u003cbr\u003e\nA: The \u003cstrong\u003e330400-02-05\u003c\/strong\u003e has an \u003cstrong\u003eM8 x 1 integral stud\u003c\/strong\u003e (metric), while the \u003cstrong\u003e330400-01-05\u003c\/strong\u003e has a \u003cstrong\u003e¼-28 UNF integral stud\u003c\/strong\u003e (Imperial). Both have identical electrical performance and -05 hazardous area approvals. Choose based on your machine's threaded hole standard.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 330400-02-05 and 330400-02-00?\u003c\/strong\u003e\u003cbr\u003e\nA: The \u003cstrong\u003e330400-02-05\u003c\/strong\u003e includes \u003cstrong\u003emultiple agency approvals\u003c\/strong\u003e (CSA, ATEX, IECEx), while the \u003cstrong\u003e330400-02-00\u003c\/strong\u003e has \u003cstrong\u003eno approvals\u003c\/strong\u003e. Both have M8 x 1 mounting. Choose -05 for hazardous areas; choose -00 for general industrial applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Do I need a mounting base for M8 x 1 installation?\u003c\/strong\u003e\u003cbr\u003e\nA: For serial numbers \u003cstrong\u003epreceded by \"G\"\u003c\/strong\u003e (post-April 2004), the mounting base is optional. For older sensors, use mounting base \u003cstrong\u003e37439-02\u003c\/strong\u003e (M8 x 1 to M8 x 1) to reduce base strain sensitivity from 0.100 g\/μstrain to 0.0005 g\/μstrain.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this for integration to velocity?\u003c\/strong\u003e\u003cbr\u003e\nA: \u003cstrong\u003eNot recommended.\u003c\/strong\u003e Integration amplifies low-frequency noise and can mask true machine condition. For velocity monitoring, Bently Nevada recommends the \u003cstrong\u003e330500 Velomitor Sensor\u003c\/strong\u003e which is specifically designed for velocity output.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum cable length?\u003c\/strong\u003e\u003cbr\u003e\nA: \u003cstrong\u003e305 meters (1,000 feet)\u003c\/strong\u003e with no signal degradation. Bently Nevada offers standard cables from 6 ft to 99 ft in 1-foot increments. For custom lengths, consult factory.\u003c\/p\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSelect \u003cstrong\u003e330400-02-05\u003c\/strong\u003e when your machinery has \u003cstrong\u003eM8 x 1 threaded holes\u003c\/strong\u003e and you require \u003cstrong\u003ehazardous area approvals\u003c\/strong\u003e for global deployment.\u003c\/li\u003e\n\u003cli\u003eIf your equipment uses \u003cstrong\u003e¼-28 UNF threads\u003c\/strong\u003e, choose \u003cstrong\u003e330400-01-05\u003c\/strong\u003e to avoid metric-to-Imperial adapter issues.\u003c\/li\u003e\n\u003cli\u003eFor \u003cstrong\u003enon-hazardous industrial environments\u003c\/strong\u003e, the \u003cstrong\u003e330400-02-00\u003c\/strong\u003e provides identical performance at lower cost.\u003c\/li\u003e\n\u003cli\u003eIf your application requires \u003cstrong\u003ehigher g-range (75 g peak)\u003c\/strong\u003e or \u003cstrong\u003elower sensitivity (25 mV\/g)\u003c\/strong\u003e, consider the \u003cstrong\u003e330425-02-05\u003c\/strong\u003e instead.\u003c\/li\u003e\n\u003cli\u003eAlways verify \u003cstrong\u003eserial number prefix\u003c\/strong\u003e — if your sensor does not start with \"G\", budget for mounting base 37439-02 to achieve API 670 base strain requirements.\u003c\/li\u003e\n\u003cli\u003eConfirm your \u003cstrong\u003emonitor input impedance\u003c\/strong\u003e is ≥10 kΩ to prevent signal loading and attenuation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":53947063926968,"sku":"330400-02-05","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/330400-02-05_2_r180.png?v=1787042336","url":"https:\/\/www.globalpetroparts.com\/products\/bently-nevada-330400-02-05-accelerometer-acceleration-tranducer","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}