{"product_id":"epro-pr6422-002-101-proximity-sensors","title":"EPRO PR6422\/002-101 Proximity Sensors","description":"\u003cp\u003eThe \u003cstrong\u003eEPRO PR6422\/002-101\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePR6423\u003c\/strong\u003e Eddy Current Sensor, operates as a dedicated hardware component for contactless measurement of shaft vibration and dynamic axial\/radial displacement within turbomachinery protection systems. It converts small mechanical clearance variations between the sensor tip and rotating target surfaces into high-frequency electromagnetic field impedance changes.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe suffix structure defines physical dimension options and cable termination parameters for field mounting:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePR6422\u003c\/strong\u003e: Base product family designation for non-contact eddy current displacement transducers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e002\u003c\/strong\u003e: Defines thread casing geometry and unthreaded sleeve length specifications (5 mm probe tip diameter class).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e101\u003c\/strong\u003e: Specifies total integrated cable length, armature protective conduit, and connector options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003ePR6422\/002-101\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEPRO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eGermany (DE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e20 cm x 20 cm x 15 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-35 deg C to +180 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive transducer driven by external signal converter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Principle\u003c\/td\u003e\n\u003ctd\u003eContactless eddy current impedance shift\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasured Parameters\u003c\/td\u003e\n\u003ctd\u003eRadial vibration, axial movement, shaft eccentricity, stator clearance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHS Code\u003c\/td\u003e\n\u003ctd\u003e85389091\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eRotor Dynamics \u0026amp; Eddy-Current Probe Scaling\u003c\/h3\u003e\n\u003cp\u003eOptimal signal acquisition requires precise eddy-current probe scaling tuned to target metal conductivity and magnetic permeability (calibrated to 42CrMo4 steel standards). Mechanical installation requires initial gap voltage validation (-10 VDC targets) monitored across the driver signal line at zero dynamic deflection to place the transducer at the center of its linear range. Maintaining precise orthogonal mounting geometries ensures effective cross-talk suppression between radial X and Y channels deployed in close proximity on turbomachinery bearing housings.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How is initial baseline alignment performed during sensor installation?\u003c\/p\u003e\n\u003cp\u003eA: Mechanically adjust probe insertion depth while monitoring output bias voltage at the transmitter or driver module until a static target of -10 VDC is reached before securing the locknut.\u003c\/p\u003e\n\u003cp\u003eQ: What prevents electrical interference on the sensor signal path?\u003c\/p\u003e\n\u003cp\u003eA: The sensor utilizes a balanced triaxial\/coaxial extension arrangement where the outer shield isolates the low-level RF carrier signal from industrial noise floor interference.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe Thread Mounting\u003c\/strong\u003e: Thread sensor housing into machine casing by hand to avoid cross-threading; advance until probe tip approaches target surface, then fine-adjust using bias voltage readings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocking Mechanism\u003c\/strong\u003e: Tighten the jam nut against the housing to fix axial position, maintaining standard thread torque parameters to prevent casing distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Protection and Routing\u003c\/strong\u003e: Route flexible cable assembly through protective flexible metallic conduit, avoiding sharp bend radii less than 30 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding\u003c\/strong\u003e: Ground the cable shield exclusively at the monitor panel side to prevent earth current loops between machinery frame and instrument racks.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Emerson Epro","offers":[{"title":"Default Title","offer_id":50524409200755,"sku":"PR6422\/002-101","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/CON021_PR6423002-001-CN_1_5173874a-ac10-4cea-aefa-4eafa7acf7bb.jpg?v=1790231900","url":"https:\/\/www.dcssupplier.com\/products\/epro-pr6422-002-101-proximity-sensors","provider":"DcsSupplier Limited","version":"1.0","type":"link"}