{"product_id":"bently-nevada-330500-01-04-330500-piezo-velocity-sensor","title":"Bently Nevada 330500-01-04 330500 Piezo-Velocity Sensor","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 330500-01-04\u003c\/strong\u003e is a \u003cstrong\u003eVelomitor Piezo-Velocity Sensor\u003c\/strong\u003e designed for measuring absolute vibration velocity (relative to free space) of bearing housings, machine casings, and structural components.\u003c\/p\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Bently Nevada (Baker Hughes)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family:\u003c\/strong\u003e Velomitor Piezo-Velocity Sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Piezoelectric Velocity Transducer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Thread Adapter:\u003c\/strong\u003e 1\/2-20 UNF (01)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAgency Approval:\u003c\/strong\u003e Multiple approvals (04) — CSA, ATEX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement Type:\u003c\/strong\u003e Absolute vibration velocity (relative to free space)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity:\u003c\/strong\u003e 3.94 mV\/mm\/s (100 mV\/in\/s) ±5% at 80 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 2.0 Hz to 1.0 kHz (±3 dB)\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\u003eOutput Impedance:\u003c\/strong\u003e \u0026lt; 100 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Requirements:\u003c\/strong\u003e 18 to 30 VDC, 2 to 10 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShock Limit:\u003c\/strong\u003e 5000 g peak\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -40°C to +121°C (-40°F to +250°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -40°C to +120°C (-40°F to +248°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHumidity:\u003c\/strong\u003e 95% non-condensing\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:\u003c\/strong\u003e 2-pin Mil-C-5015, hermetically sealed, 316L stainless steel shell\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Height 63.2 mm (2.49 in) × Diameter 25.3 mm (0.995 in)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e ~142 g (5.0 oz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Torque:\u003c\/strong\u003e 32–46 kg-cm (24–40 in-lb) maximum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolarity:\u003c\/strong\u003e When case motion is toward the connector, Pin A is positive with respect to Pin B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Rating:\u003c\/strong\u003e IP65 (hermetically sealed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Surface Preparation:\u003c\/strong\u003e Machine a flat, smooth mounting surface on the bearing housing or machine casing. Surface roughness should be \u003cstrong\u003eRa 3.2 µm\u003c\/strong\u003e or better.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Hole:\u003c\/strong\u003e Drill and tap a \u003cstrong\u003e1\/2-20 UNF\u003c\/strong\u003e threaded hole to a depth of at least \u003cstrong\u003e12 mm\u003c\/strong\u003e. Ensure the hole is perpendicular to the mounting surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Installation:\u003c\/strong\u003e Apply a thin film of anti-seize compound to the threads. Thread the sensor into the mounting hole by hand until snug. Torque to \u003cstrong\u003e32–46 kg-cm (24–40 in-lb)\u003c\/strong\u003e maximum. Do not exceed maximum torque.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrientation:\u003c\/strong\u003e Install the sensor so the connector faces the direction of primary vibration measurement. The sensor measures vibration along its longitudinal axis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Connection:\u003c\/strong\u003e Connect the 2-pin Mil-C-5015 connector using a compatible cable (e.g., Bently Nevada 84661 series). Ensure the connector is fully seated and locked.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Routing:\u003c\/strong\u003e Route the cable away from high-voltage power lines and motor drives. Maintain minimum \u003cstrong\u003e300 mm\u003c\/strong\u003e separation. Use cable clamps to prevent strain on the connector.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Ground the cable shield at the monitoring system end only. Do not ground at both ends to avoid ground loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerification:\u003c\/strong\u003e After installation, verify the sensor output responds to machine vibration. Check for stable baseline and proper signal polarity.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the model code 330500-01-04 mean?\u003c\/strong\u003e\u003cbr\u003eA: \u003cstrong\u003e330500\u003c\/strong\u003e = Velomitor Piezo-Velocity Sensor; \u003cstrong\u003e01\u003c\/strong\u003e = 1\/2-20 UNF mounting thread adapter; \u003cstrong\u003e04\u003c\/strong\u003e = multiple agency approvals (CSA, ATEX).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between a Velomitor and an accelerometer?\u003c\/strong\u003e\u003cbr\u003eA: The \u003cstrong\u003eVelomitor\u003c\/strong\u003e outputs a velocity signal (mV\/mm\/s) directly, integrating the acceleration signal internally. An \u003cstrong\u003eaccelerometer\u003c\/strong\u003e outputs acceleration (mV\/g). The Velomitor is preferred for bearing housing vibration monitoring per ISO 10816 standards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this sensor in a hazardous area?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The \u003cstrong\u003e-04\u003c\/strong\u003e suffix indicates CSA and ATEX approvals. Verify the specific Ex rating on the sensor label against your area classification. Install with appropriate intrinsic safety barriers if required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What cable should I use with this sensor?\u003c\/strong\u003e\u003cbr\u003eA: Use Bently Nevada \u003cstrong\u003e84661\u003c\/strong\u003e series cables or equivalent 2-conductor shielded cables with Mil-C-5015 connectors. Cable length can be up to \u003cstrong\u003e305 meters (1000 feet)\u003c\/strong\u003e without signal degradation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the expected service life?\u003c\/strong\u003e\u003cbr\u003eA: The solid-state piezoelectric design has no moving parts. With proper installation, service life exceeds \u003cstrong\u003e10 years\u003c\/strong\u003e in typical industrial environments.\u003c\/p\u003e\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify the \u003cstrong\u003emounting thread\u003c\/strong\u003e on your machine housing before ordering. Common options: \u003cstrong\u003e01 = 1\/2-20 UNF\u003c\/strong\u003e, \u003cstrong\u003e02 = M8×1\u003c\/strong\u003e, \u003cstrong\u003e03 = 1\/4-28 UNF\u003c\/strong\u003e, \u003cstrong\u003e06 = 5\/8-18 UNF\u003c\/strong\u003e, \u003cstrong\u003e07 = 3\/8-16 UNC\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eVerify \u003cstrong\u003eagency approvals\u003c\/strong\u003e required for your installation: \u003cstrong\u003e-00\u003c\/strong\u003e = none, \u003cstrong\u003e-01\u003c\/strong\u003e = CSA only, \u003cstrong\u003e-04\u003c\/strong\u003e = multiple (CSA, ATEX), \u003cstrong\u003e-02\u003c\/strong\u003e = ATEX only.\u003c\/li\u003e\n\u003cli\u003eFor high-temperature applications (\u0026gt;121°C), consult Bently Nevada for high-temperature Velomitor options.\u003c\/li\u003e\n\u003cli\u003eEnsure the monitoring system accepts \u003cstrong\u003evelocity inputs\u003c\/strong\u003e (mV\/mm\/s). If your system requires acceleration, consider an accelerometer instead.\u003c\/li\u003e\n\u003cli\u003eWhen replacing a failed sensor, match the exact model number to ensure identical mounting thread, approvals, and electrical characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":53797697388728,"sku":"330500-01-04","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/330500-01-04_2r180.png?v=1784701748","url":"https:\/\/www.globalpetroparts.com\/products\/bently-nevada-330500-01-04-330500-piezo-velocity-sensor","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}