{"product_id":"18745-03-bently-nevada-5mm-eddy-current-transducer","title":"18745-03 Bently Nevada | 5mm Eddy Current Transducer","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 18745-03\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoperates as a high-precision signal conditioner within the legacy\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e7200 Series Proximity Transducer System\u003c\/strong\u003e. This 5mm Proximitor sensor converts the raw impedance changes from a 5mm proximity probe into a linear voltage signal proportional to the distance between the probe tip and the target shaft. It provides the critical data interface for monitoring both static (axial position) and dynamic (radial vibration) shaft displacement. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, ensuring high-fidelity signal transmission for your 3300 or 3500 machinery protection racks.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Value\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\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e18745-03\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7200 Series\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProbe Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5mm Proximity Probes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTechnology\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEddy Current (Non-contact)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDC (0 Hz) to 10 kHz\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\u003e0.25 to 2.0 mm (10 to 80 mils)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eScale Factor\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e200 mV\/mil (7.87 mV\/μm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Requirement\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-24 VDC (Nominal)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-35°C to +100°C (-31°F to +212°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStorage Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40°C to +125°C (-40°F to +257°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.23 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Precision Eddy Current Sensing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 18745-03 utilizes eddy current technology to achieve non-contact measurements. This eliminates mechanical wear and allows the sensor to detect sub-micron changes in shaft position without touching the rotating equipment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLow-Frequency Accuracy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnlike seismic sensors, this Proximitor maintains accuracy down to 0 Hz (DC). This capability enables the monitoring of static parameters like thrust position and thermal expansion, which are vital for preventing internal component rubbing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBroad Frequency Spectrum:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module handles frequencies up to 10 kHz, capturing high-order vibration harmonics. This allows maintenance teams to diagnose complex mechanical issues such as oil whirl, rotor unbalance, and blade pass frequencies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental Resilience:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBently Nevada builds the 7200 series to survive the oil-saturated, high-temperature environments of turbine housings. The internal circuitry remains stable despite the extreme thermal cycling common in power generation and petrochemical plants.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Signal Conditioning:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 18745-03 eliminates the need for external amplifiers. It outputs a standard voltage signal that integrates directly with legacy 7200 racks or modern 3500 systems using the appropriate I\/O interface.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a 3300 XL 8mm probe with this 18745-03 7200 series Proximitor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 18745-03 is specifically calibrated for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e7200 Series 5mm probes\u003c\/strong\u003e. Mixing components from different series (like 7200 and 3300 XL) or different probe diameters will cause significant linearity errors and scale factor inaccuracies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the correct input power for this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 18745-03 requires a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e-24 VDC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003epower supply, which is standard for Bently Nevada monitoring racks. Reversing the polarity or using a positive voltage source will damage the internal electronics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 18745-03 still supported for new installations?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 7200 series is a legacy product line. While Bently Nevada recommends the 3300 XL series for new projects, the 18745-03 remains an essential spare part for maintaining the thousands of existing 7200 systems worldwide.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this unit include a warranty?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Every 18745-03 we sell is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBrand New and Original\u003c\/strong\u003e. We provide a standard 12-month factory-equivalent warranty to guarantee the performance and reliability of the sensor in your machinery protection loop.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":43190679109722,"sku":"18745-03","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/435._f0574348-7383-483b-a3e5-12f5d89ebbc4.jpg?v=1775618771","url":"https:\/\/www.spareoil.com\/products\/18745-03-bently-nevada-5mm-eddy-current-transducer","provider":"SpareOil Automation","version":"1.0","type":"link"}