{"product_id":"epro-pr6423-011-100-eddy-current-proximity-probe","title":"EPRO PR6423\/011-100 Eddy current proximity probe","description":"\u003cp\u003eConfigured for dynamic vibration and position monitoring in MMS 6000 and AMS 6500 platforms, the \u003cstrong\u003eEmerson PR6423\/011-100\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePR6423\u003c\/strong\u003e Proximity Probe, provides direct physical\/electrical execution. It operates as an 8 mm eddy-current non-contact sensor designed for shaft position and displacement tracking. The probe interfaces directly with signal converters like the CON021 to transfer high-frequency inductive gap modulation into conditioned measurement signals.\u003c\/p\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\u003ePR6423\/011-100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEmerson\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Type\u003c\/td\u003e\n\u003ctd\u003eEddy current proximity probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Diameter\u003c\/td\u003e\n\u003ctd\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLinear Measurement Range\u003c\/td\u003e\n\u003ctd\u003e0 to 2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Sensitivity\u003c\/td\u003e\n\u003ctd\u003e8 V\/mm (+\/-5% within calibrated range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInitial Gap\u003c\/td\u003e\n\u003ctd\u003eApprox. 0.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLinearity Deviation\u003c\/td\u003e\n\u003ctd\u003e+\/-0.025 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Target Diameter\u003c\/td\u003e\n\u003ctd\u003e25 mm or greater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget Material\u003c\/td\u003e\n\u003ctd\u003eFerromagnetic steel (e.g., AISI 4140)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-35 to +180 deg C (Probe + short cable); -35 to +150 deg C (Cable \u0026amp; connector)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive sensor (powered via signal converter loop)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Rating\u003c\/td\u003e\n\u003ctd\u003eIP66 \/ IP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Tip Material\u003c\/td\u003e\n\u003ctd\u003ePEEK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Insulation\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Material\u003c\/td\u003e\n\u003ctd\u003eNickel-plated brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Thread\u003c\/td\u003e\n\u003ctd\u003eM10x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard Cable Length\u003c\/td\u003e\n\u003ctd\u003e5 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eStandard assembly approx. 0.35 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eThread M10x1; total tip and case geometry per PR6423 footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEddy-Current Probe Scaling and Gap Voltage Validation\u003c\/h3\u003e\n\u003cp\u003eThe PR6423 sensor functions on high-frequency electromagnetic field modulation induced by target proximity. Proper operation depends on correct eddy-current probe scaling aligned with target metallurgy (typically AISI 4140 ferromagnetic steel). During mechanical set-up, static gap voltage validation requires setting the uncalibrated mechanical displacement to yield a nominal DC bias target (typically -10 VDC at the signal converter monitor output for middle-of-range positioning). Precise mechanical positioning prevents signal saturation during extreme rotor dynamics, suppressing cross-talk and channel interference across multi-axis turbomachinery monitoring trains.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Is this probe usable without a signal converter?\u003c\/p\u003e\n\u003cp\u003eA: No. The passive eddy-current sensor requires connection to an external signal converter (such as CON021) to generate the high-frequency excitation field, perform signal conditioning, and provide standard output voltages to the MMS 6000 or AMS 6500 rack.\u003c\/p\u003e\n\u003cp\u003eQ: What target material is required for the PR6423 to maintain factory sensitivity calibration?\u003c\/p\u003e\n\u003cp\u003eA: Factory sensitivity of 8 V\/mm (+\/-5%) is calibrated against ferromagnetic steel (AISI 4140). Standard non-magnetic target materials like 300-series stainless steel or aluminum alter the eddy-current decay profile and require custom converter re-scaling.\u003c\/p\u003e\n\u003cp\u003eQ: Can the cable and connector withstand high-temperature washdowns?\u003c\/p\u003e\n\u003cp\u003eA: The probe head and short cable section sustain operational limits up to +180 deg C with IP66\/IP67 ingress protection. However, the extension cable and nickel-plated brass connectors must be restricted to zones not exceeding +150 deg C.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget Engagement \u0026amp; Thread Torque\u003c\/strong\u003e: Mount the probe body into the M10x1 threaded receptacle. Tighten using hand tools to avoid twisting the internal PTFE-insulated co-axial lead. Ensure a minimum engagement of 5 full mechanical threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Gap Voltage Alignment\u003c\/strong\u003e: Adjust physical probe insertion while reading the DC bias voltage at the signal converter terminal until the voltage reaches the target midpoint (typically -10 VDC).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Routing \u0026amp; Shielding\u003c\/strong\u003e: Maintain dedicated armor conduit for the extension cable. Ground the outer cable shield strictly at the signal converter shell or cabinet entry point to eliminate ground loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBending Radius\u003c\/strong\u003e: Do not exceed the minimum cable bend radius of 25 mm during installation to prevent internal PTFE dialectic structural damage.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Emerson Epro","offers":[{"title":"Default Title","offer_id":45393872388211,"sku":"PR6423\/011-100","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-08-24_14-33-54_b7983735-e8d1-489a-b141-33be9480a02d.png?v=1787554060","url":"https:\/\/www.dcssupplier.com\/ar\/products\/epro-pr6423-011-100-eddy-current-proximity-probe","provider":"DcsSupplier Limited","version":"1.0","type":"link"}