{"product_id":"epro-pr6423-012-100-eddy-current-proximity-probe","title":"Epro PR6423\/012-100 Eddy-Current Proximity Probe","description":"\u003cp\u003eThe \u003cstrong\u003eEpro PR6423\/012-100\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePR6423\u003c\/strong\u003e Eddy-Current Proximity Probe, operates as a dedicated hardware component for continuous non-contact shaft displacement and dynamic vibration monitoring within turbomachinery protection systems.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOption Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eParameter Specification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eTechnical Definition\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePR6423\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003e8 mm Eddy-Current Proximity Probe Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\/012\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCase\/Thread Configuration\u003c\/td\u003e\n\u003ctd\u003eM10x1 or 3\/8\"-24UNF thread profile with 45 mm case length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-100\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCable Configuration\u003c\/td\u003e\n\u003ctd\u003e4 m non-armored PTFE-insulated cable with nickel-plated connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\/012-100\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eStandard 0.35 kg (approximate with 4 m cable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e8 mm probe tip diameter, 45 mm case length\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 tip \u0026amp; 1 m cable); -35 to +150 deg C (cable\/connector)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive sensor (driven via CON011\/CON021 signal converter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Range\u003c\/td\u003e\n\u003ctd\u003e2.0 mm (80 mils) linear range, peak-to-peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e8 V\/mm (+\/- 5%) @ 25 deg C (target: 42CrMo4 steel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInitial Air Gap\u003c\/td\u003e\n\u003ctd\u003e0.5 mm (+\/- 0.1 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e10 Hz to 2 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget Material\u003c\/td\u003e\n\u003ctd\u003eConductive ferromagnetic material (minimum shaft diameter 25 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Compatibility\u003c\/td\u003e\n\u003ctd\u003eRaw analog signal (requires CON011\/CON021 converters)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Specification\u003c\/td\u003e\n\u003ctd\u003eM10x1 or 3\/8\"-24UNF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Configuration\u003c\/td\u003e\n\u003ctd\u003e4 m non-armored PTFE insulation (min bend radius 25 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial Construction\u003c\/td\u003e\n\u003ctd\u003ePEEK tip, Stainless Steel case, Nickel-plated brass connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Rating\u003c\/td\u003e\n\u003ctd\u003eIP66 (IEC 60529)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eATEX, IECEx, CSA, CE\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 \u0026amp; Gap Calibration\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eEpro PR6423\/012-100\u003c\/strong\u003e system utilizes high-frequency electromagnetic field modulation to convert mechanical shaft displacement into calibrated voltage outputs through CON011 or CON021 signal converters. Correct eddy-current probe scaling ensures a sensitivity factor of 8 V\/mm (+\/- 5%) when facing 42CrMo4 ferromagnetic steel. Physical setup mandates precise gap voltage validation, bringing the probe to its initial air gap of 0.5 mm to position the static bias voltage at -10 VDC at the mid-point of the 2.0 mm dynamic range. Cross-talk suppression is maintained by ensuring adjacent 8 mm probe centers maintain a minimum distance of 25 mm, while providing at least 15 mm radial clearance around the PEEK sensing tip from surrounding machine casing walls.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the procedure for establishing the baseline gap voltage during field setup?\u003c\/p\u003e\n\u003cp\u003eA: Thread the probe into the bracket while measuring the DC voltage output at the connected CON011\/CON021 converter. Adjust probe position to set an initial air gap of 0.5 mm (+\/- 0.1 mm) until the signal converter output reads -10 VDC, then lock the jam nut.\u003c\/p\u003e\n\u003cp\u003eQ: What are the cable installation limits for the 4 m PTFE cable variant?\u003c\/p\u003e\n\u003cp\u003eA: The non-armored PTFE cable must maintain a minimum bending radius of 25 mm to prevent conductor deformation. The cable must not be spliced or shortened, as altering cable geometry changes internal inductance and capacitance, destroying factory scale calibration.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eInspect the PEEK tip, stainless steel case, and nickel-plated connector to ensure freedom from scratches, dirt, or oil contamination.\u003c\/li\u003e\n\u003cli\u003eConfirm the mounting hole thread (M10x1 or 3\/8\"-24UNF) is clean and free of metal burrs before threading the probe casing.\u003c\/li\u003e\n\u003cli\u003eVerify at least 15 mm radial clearance around the PEEK tip to prevent false electrical loading from adjacent housing walls.\u003c\/li\u003e\n\u003cli\u003eCarefully adjust probe depth to the target 0.5 mm initial air gap while monitoring live DC output voltage at the driver terminals.\u003c\/li\u003e\n\u003cli\u003eLock the outer jam nut to a maximum torque of 12 Nm once the target -10 VDC gap voltage is set, ensuring the probe body does not rotate.\u003c\/li\u003e\n\u003cli\u003eRoute the 4 m non-armored PTFE cable away from hot surface conduits exceeding +150 deg C and high-voltage AC motor lines.\u003c\/li\u003e\n\u003cli\u003eConnect all terminals inside IP66-rated junction boxes, attaching the cable shield drain wire to the monitoring system cabinet frame only.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Emerson Epro","offers":[{"title":"Default Title","offer_id":45510140133491,"sku":"PR6423\/012-100","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/PR9376-010-011_3_625daa6e-243c-4709-a06b-f6b429d54485.png?v=1789630016","url":"https:\/\/www.dcssupplier.com\/ar\/products\/epro-pr6423-012-100-eddy-current-proximity-probe","provider":"DcsSupplier Limited","version":"1.0","type":"link"}