{"product_id":"bently-nevada-18745-03-proximitor-sensor-7200-series-eddy-current-proximity-transducer","title":"Bently Nevada 18745-03 Proximitor Sensor | 7200 Series Eddy Current Proximity Transducer","description":"\u003ch4\u003eOverview:\u003c\/h4\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 18745-03\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a critical component from the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e7200 Series Proximity Transducer System\u003c\/strong\u003e. This\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEddy Current Proximitor Sensor\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed to measure the static and dynamic distance between a probe and a target (typically a rotating shaft). It converts this distance into a proportional DC voltage, essential for monitoring machinery vibrations and positions. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e18745-03\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodel is specifically calibrated for a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5-meter total system length\u003c\/strong\u003e, making it ideal for applications requiring precise radial vibration, axial position, and speed measurements in turbines, compressors, and motors.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003col class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEddy Current Measurement Technology\u003c\/strong\u003e:\u003cbr\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e18745-03 Proximitor\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003egenerates a high-frequency RF signal from the probe tip. When the probe approaches a conductive target, such as a metal shaft, eddy currents are induced in the target, causing energy loss. The proximitor detects this loss and calculates the \"gap\" or distance between the probe and the target.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSignal Conditioning and Output\u003c\/strong\u003e:\u003cbr\u003eThis device serves as a signal conditioner, powering the probe and processing the return signal. The output typically comes in the form of a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003enegative voltage\u003c\/strong\u003e, ranging from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e-2V to -18V DC\u003c\/strong\u003e, depending on the distance. The signal can be used to measure both static position (e.g., thrust or axial position) and dynamic vibration (AC component of the signal).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCalibration and System Length\u003c\/strong\u003e:\u003cbr\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e18745-03\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodel is calibrated specifically for a total system length of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5 meters\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(16.4 feet), including both the probe's integral cable and any extension cable. Using a system length other than the calibrated 5 meters (e.g., a 9-meter setup) may lead to calibration inaccuracies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature and Environment Resistance\u003c\/strong\u003e:\u003cbr\u003eThis sensor operates effectively in challenging industrial environments, with a wide operating temperature range of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e-35°C to +85°C\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(-31°F to +185°F). It is designed for long-term use in harsh conditions such as those found near rotating machinery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInterchangeability within 7200 Series\u003c\/strong\u003e:\u003cbr\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e18745-03\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a legacy component of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e7200 Series\u003c\/strong\u003e, known for its compatibility with various probes, including\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5 mm and 8 mm proximity probes\u003c\/strong\u003e. While the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e7200 Series\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ehas been largely replaced by newer systems such as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3300 XL\u003c\/strong\u003e, it remains a widely-used, reliable choice for existing plants.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4\u003eTechnical Specifications:\u003c\/h4\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e18745-03\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7200 Series (Legacy)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 Meters (Fixed Calibration for 5m total cable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Probes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 mm and 8 mm Proximity Probes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-24 VDC (Nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Scale Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200 mV\/mil (7.87 V\/mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLinear Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80 mils (approx. 2.0 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 Hz (DC) to 10 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-35°C to +85°C (-31°F to +185°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIN rail (with adapter) or bulkhead mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eApplications:\u003c\/h4\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 18745-03\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProximitor Sensor is critical for accurate vibration and position monitoring in a variety of industrial machines, including:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTurbines\u003c\/strong\u003e: Ensures precise monitoring of axial and radial position, as well as vibration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompressors\u003c\/strong\u003e: Provides essential data for dynamic vibration and position measurements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMotors\u003c\/strong\u003e: Measures the shaft position and vibrations to protect motor health.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial Equipment\u003c\/strong\u003e: Commonly used in machinery protection systems, especially in environments where high precision is required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eApplication Notes:\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAPI 670 Compliance\u003c\/strong\u003e: This Proximitor is designed to meet\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAPI 670\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003estandards, ensuring reliable protection for critical machinery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHazardous Area Use\u003c\/strong\u003e: Often used with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eZener barriers\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003egalvanic isolators\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor installations in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eClass I, Div 1 or Div 2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ehazardous environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLegacy Component\u003c\/strong\u003e: While this is part of the legacy\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e7200 Series\u003c\/strong\u003e, it remains effective for many existing installations, though newer systems like the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3300 XL\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eare preferred for new installations due to enhanced performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eMaintenance and Replacement:\u003c\/h4\u003e\n\u003cp\u003eWhen troubleshooting systems that use the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 18745-03\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProximitor Sensor, check for the following:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLink Failures\u003c\/strong\u003e: Issues related to signal transmission between the probe and the proximitor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Errors\u003c\/strong\u003e: Problems in transmitting distance data from the sensor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eControl System Power Loss\u003c\/strong\u003e: Ensure all components are powered correctly and check for wiring issues.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant\u003c\/strong\u003e: Always confirm that the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eprobe\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eextension cable\u003c\/strong\u003e, and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eProximitor\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eare rated for the same system length (e.g., 5m) to ensure accuracy in measurements. Before replacing the sensor, de-energize the system and allow for proper discharge of capacitors.\u003c\/p\u003e\n\u003ch4\u003eFrequently Asked Questions (FAQ):\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Can I use the\u003cspan\u003e \u003c\/span\u003e18745-03\u003cspan\u003e \u003c\/span\u003eProximitor with a longer cable system?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e18745-03\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis calibrated for a total system length of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5 meters\u003c\/strong\u003e. Using a longer cable system will result in calibration errors, and a different model, like the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e18745-04\u003c\/strong\u003e, should be used for a 9-meter system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: What types of probes are compatible with the\u003cspan\u003e \u003c\/span\u003e18745-03?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e18745-03\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eworks with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5 mm\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8 mm\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eproximity probes, commonly used for measuring distances in rotating machinery.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: How should I install the\u003cspan\u003e \u003c\/span\u003e18745-03\u003cspan\u003e \u003c\/span\u003eProximitor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e18745-03\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProximitor can be mounted on a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDIN rail\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eusing an adapter or in a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ebulkhead mount\u003c\/strong\u003e. Ensure that all wiring is properly connected and the system is powered down during installation.\u003cbr\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44089005080675,"sku":"18745-03","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/18745-03.jpg?v=1774850371","url":"https:\/\/precisemodule.com\/products\/bently-nevada-18745-03-proximitor-sensor-7200-series-eddy-current-proximity-transducer","provider":"Precise Module Ltd.","version":"1.0","type":"link"}