{"product_id":"330701-00-40-10-02-05-bently-nevada-3300-xl-11mm-proximity-probe-vibration-monitoring","title":"330701-00-40-10-02-05 Bently Nevada 3300 XL 11mm Proximity Probe | Vibration Monitoring","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 330701-00-40-10-02-05\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erepresents the pinnacle of eddy current sensing technology within the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3300 XL 11mm Proximity Transducer System\u003c\/strong\u003e. Engineered for mission-critical industrial assets, this probe provides non-contacting displacement and vibration measurements with surgical precision. While standard 8mm probes suffice for general tasks, this 11mm system excels in applications requiring a wider linear range, such as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eaxial position monitoring\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esteam turbine differential expansion\u003c\/strong\u003e, and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ereciprocating compressor rod position\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eBy utilizing advanced electromagnetic induction, the 330701 sensor captures minute changes in the gap between the probe tip and the target material. It serves as the \"eyes\" of your Turbine Supervisory Instrumentation (TSI), delivering high-fidelity data to 3500 series racks to prevent catastrophic machinery failure. This probe seamlessly replaces legacy 7200-series 11mm and 14mm systems, offering superior temperature stability and moisture resistance in the harshest power generation and oil \u0026amp; gas environments.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Configuration\u003c\/h2\u003e\n\u003cp\u003eThe 330701 series utilizes a specific coding structure to define physical dimensions and certification requirements. Below is the breakdown for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e330701-00-40-10-02-05\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econfiguration:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUnthreaded Length (00):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0 mm. This indicates a fully threaded probe body, allowing for maximum adjustment depth within the mounting bracket.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Case Length (40):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4.0 inches. Provides sufficient reach through machine housings or internal brackets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTotal Length (10):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1.0 Meter (3.3 feet). This defines the length of the integral probe cable before it connects to the extension cable.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConnector Option (02):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMiniature coaxial ClickLoc connector. This gold-plated, lockable connector prevents signal loss due to vibration and resists environmental contaminants.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAgency Approval Option (05):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMultiple Approvals (CSA, ATEX, IECEx). This ensures the probe meets global safety standards for installation in hazardous (Ex-rated) areas.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProbe Tip Diameter\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e11 mm (0.43 in)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLinear Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.0 mm (160 mils)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eScale Factor (Sensitivity)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.94 V\/mm (100 mV\/mil) ±10%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLinearity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLess than ±0.15 mm (±5.9 mils) deviation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-52°C to +177°C (-62°F to +351°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eThread Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1\/2-20 UNF\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSystem Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBently Nevada 3300 XL Proximitor \u0026amp; 3500\/42M Monitors\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTarget Material\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAISI 4140 Steel (Standard Calibration)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eEngineering Installation \u0026amp; Maintenance Guide\u003c\/h2\u003e\n\u003cp\u003eSuccess in vibration monitoring depends entirely on the quality of the installation. When installing the 330701 probe, engineers must adhere to the following technical requirements:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical Gap Setting\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe physical gap between the probe tip and the shaft determines the \"Bias Voltage\" or \"Gap Voltage.\" For a standard 3300 XL 11mm system, the linear range centers at approximately\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e-10 VDC\u003c\/strong\u003e. Use a digital multimeter to measure the voltage at the Proximitor \"OUT\" and \"COM\" terminals while adjusting the probe depth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCable Protection\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEnsure the integral cable maintains a minimum bend radius of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e25.4 mm (1.0 in)\u003c\/strong\u003e. Avoid over-tightening zip ties, which can crush the coaxial shield and introduce signal noise. Although this specific model (-02-05) does not include stainless steel armor, we recommend routing the cable through external flexible conduit in high-debris areas.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConnector Integrity\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eClickLoc\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econnector system requires a positive \"click\" to ensure a moisture-proof seal. Do not use pliers to tighten these connectors; finger-tight is sufficient to engage the locking mechanism. Ensure the connectors stay dry and free of oil during the mating process.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eEngineering Advantages\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3300 XL 11mm System\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides several distinct advantages over smaller diameter sensors:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtended Linear Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIt offers a 4.0 mm range, nearly double that of the 8mm probe, which is vital for monitoring thermal growth and differential expansion in large turbines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Signal Integrity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 3.94 V\/mm sensitivity provides a high signal-to-noise ratio, allowing the sensor to operate reliably even when located long distances from the monitoring rack.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInterchangeability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 330701 probe is fully compatible with the 3300 XL Proximitor sensor, which automatically compensates for temperature variations, ensuring stable readings from startup to full-load operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHazardous Area Resilience:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith the -05 approval rating, this probe operates safely in explosive atmospheres, making it the industry standard for refinery and chemical plant compression strings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical FAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Can I use the 330701 11mm probe with a standard 8mm 3300 XL Proximitor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA1: No. The 11mm probe requires a specific 3300 XL 11mm Proximitor. Using an 8mm Proximitor will result in incorrect scale factors and non-linear data, rendering your vibration monitoring system inaccurate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: How do I verify the probe's health using a multimeter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA2: You can perform a resistance check. Measure between the center conductor and the outer shield of the ClickLoc connector. A healthy 1.0m probe typically shows a very low resistance (near 0.1 to 1.0 ohms). An \"Open\" reading indicates a broken internal wire.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: What is the significance of the 1\/2-20 UNF thread on this model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA3: This is the standard English thread size for the 11mm probe body. It ensures compatibility with standard Bently Nevada mounting brackets and bushings used in North American and many international turbine designs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Is this probe compatible with the older 7200 series proximity systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA4: While the 330701 can physically replace 7200-series 11mm probes, you must upgrade the entire loop (including the extension cable and Proximitor) to the 3300 XL series to ensure performance specifications are met.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":53296614113590,"sku":"330701-00-40-10-02-05","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/2094\/8534\/files\/bently-nevada-330701-00-40-10-02-05-3300-xl-11-mm-proximity-probes-4ag2feovt0f.jpg?v=1764045114","url":"https:\/\/www.motrolixtech.com\/products\/330701-00-40-10-02-05-bently-nevada-3300-xl-11mm-proximity-probe-vibration-monitoring","provider":"Motrolix","version":"1.0","type":"link"}