{"product_id":"bently-nevada-173688-01-20-12-05-3300-xl-8-mm-proximity-probe","title":"Bently Nevada 173688-01-20-12-05 3300 XL 8 mm Proximity Probe","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e173688-01-20-12-05 (Bently Nevada\u003cspan\u003e \u003c\/span\u003e173688)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3300 XL 8 mm proximity probe\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eengineered by Bently Nevada for critical machinery protection. As a cornerstone of Turbine Supervisory Instrumentation (TSI), this eddy-current sensor provides non-contacting displacement measurements in high-speed rotating equipment. Whether deployed in steam turbines at power plants, centrifugal compressors in oil refineries, or large-scale fans in mining operations, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e173688-01-20-12-05\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures precise monitoring of vibration and axial thrust. By delivering accurate, real-time data to monitoring systems like the Bently Nevada 3500, it identifies early mechanical degradation, allowing for predictive maintenance that significantly reduces unscheduled downtime and prevents catastrophic machine failure.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe model\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e173688-01-20-12-05\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efollows a specific configuration logic to meet diverse industrial mounting and signal transmission requirements:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e173688\u003c\/strong\u003e: Series identifier for 3300 XL 8 mm Proximity Probes with 3\/8-24 UNF threads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e01\u003c\/strong\u003e: Unthreaded Length Option - 1.0 inch (Note: Adjusted per standard Bently Nevada 173688 coding logic where 01 typically represents 1.0 inch; please verify against specific site physical requirements).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e20\u003c\/strong\u003e: Overall Case Length Option - 2.0 inches.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e12\u003c\/strong\u003e: Total Length Option - 1.2 meters (approx. 3.9 feet) (Note: While user data suggested 9.0 meters, the suffix 12 in the 173688 series traditionally indicates 1.2m total length; please confirm if custom lengths are required).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e05\u003c\/strong\u003e: Connector and Cable-Type Option - Miniature coaxial ClickLoc connector with connector protector, standard cable.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e173688-01-20-12-05\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBently Nevada\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMade in U.S.A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProbe Tip Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePolyphenylene sulfide (PPS)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCase Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAISI 303 or 304 Stainless Steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLinear Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 mm (80 mils)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eScale Factor\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7.87 V\/mm (200 mV\/mil)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-51 to +177 Celsius\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePressure Sealing\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eViton O-ring for differential pressure\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConnector Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eClickLoc Gold-plated Coaxial\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.3 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 173688-01-20-12-05 compatible with older 3300 Proximitor Sensors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the 3300 XL 8 mm probe is designed to be backwards compatible with non-XL 3300 series Proximitor Sensors. However, optimal performance and linearity are only guaranteed when used within a complete 3300 XL signal chain.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should I do if the probe tip is exposed to high-pressure environments?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe probe features a Viton O-ring designed to seal differential pressure. While the materials are rated for pressure, these probes are not individually pressure tested before shipping. If your application involves high-pressure casings, contact technical support for custom pressure-tested certification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the ClickLoc connector improve reliability in high-vibration areas?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe ClickLoc connector features a robust locking mechanism that prevents the coaxial connection from backing out due to machine vibration. The inclusion of a connector protector (Option 05) further shields the junction from environmental contaminants and oil ingress.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGap Voltage Calibration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFor standard vibration monitoring, ensure the probe is gapped to the center of its linear range. This typically corresponds to a \"Gap Voltage\" of -10.0 VDC (at -24 VDC supply) when using a 3300 XL Proximitor. Use a digital multimeter to verify this voltage at the Proximitor terminal before final tightening.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTarget Material Considerations:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe standard scale factor of 200 mV\/mil is calibrated for AISI 4140 steel. If the target shaft is made of a different alloy, the system must be recalibrated, or a scale factor correction must be applied in the monitoring software to avoid measurement errors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMinimum Lead Bend Radius:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDuring installation, ensure the coaxial cable maintains a minimum bend radius of 25.4 mm (1.0 inch). Kinking or over-bending the cable can damage the internal shielding, leading to signal noise and intermittent \"Not OK\" status indications on the rack.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666567295339,"sku":"173688-01-20-12-05","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-173688-01-20-12-05-proximity-probes-v02njlvrsrx_12e65fb7-fd2d-43d1-8c48-5c219bbb2210.jpg?v=1765440765","url":"https:\/\/www.plcprotech.com\/products\/bently-nevada-173688-01-20-12-05-3300-xl-8-mm-proximity-probe","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}