{"product_id":"epro-pr9376-20-hall-effect-speed-sensor","title":"Epro PR9376\/20 Hall-Effect Speed Sensor","description":"\u003cp\u003eConfigured for rotational velocity acquisition in industrial machinery, the \u003cstrong\u003eEpro PR9376\/20\u003c\/strong\u003e (\u003cstrong\u003ePR9376\/20\u003c\/strong\u003e) Hall-Effect Speed Sensor provides direct electrical execution of non-contact pulse generation from rotating ferromagnetic targets.\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\u003ePR9376\/20\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e210 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e14 mm diameter, 160 mm length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-25 deg C to +100 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eApprox. 25 mA (10-30 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003eSquare wave pulse (High \u0026gt;10 V \/ Low \u0026lt;1 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Capability\u003c\/td\u003e\n\u003ctd\u003eUp to 12 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Gap\u003c\/td\u003e\n\u003ctd\u003e1.0 mm (Module 1) to 1.5 mm (Module \u0026gt;2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eMechanical Monitoring and TSI Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe PR9376\/20 operates using Hall-effect magnetic detection to monitor shaft speed by tracking the passage of gear teeth or keyways. To ensure signal fidelity, maintain the specified air gap strictly; deviation from the 1.0 mm or 1.5 mm tolerance will degrade pulse amplitude and timing accuracy. In multi-sensor TSI arrays, ensure proper cable routing to prevent cross-talk between high-speed signal channels, as external electromagnetic interference can distort the square wave transition. The sensor’s output is proportional to target passage, requiring a clean ferromagnetic target surface—typically non-stainless steel—to avoid pulse dropout or erratic switching.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Is the 12 kHz frequency capability sufficient for all turbine applications?\u003c\/p\u003e\n\u003cp\u003eA: The 12 kHz limit covers most standard industrial applications. For high-speed rotors with high-tooth-count gears, ensure the calculated pulse frequency $f = \\frac{N \\times RPM}{60}$ does not exceed the sensor's bandwidth to prevent missing pulses or output saturation.\u003c\/p\u003e\n\u003cp\u003eQ: How should the sensor be oriented relative to the gear teeth?\u003c\/p\u003e\n\u003cp\u003eA: The sensor must be mounted perpendicular to the target surface. The active tip must face the ferromagnetic material directly to achieve the magnetic flux variation required to trigger the Hall-effect switch logic.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the mounting bracket is rigid to avoid vibration-induced changes to the air gap, which can cause intermittent signal loss.\u003c\/li\u003e\n\u003cli\u003eTerminate the PTFE-insulated cable at the monitoring system input; ensure the shield is connected at the control cabinet side to mitigate interference.\u003c\/li\u003e\n\u003cli\u003eCheck the target material properties; ensure it is a soft magnetic steel to maintain optimal flux density for the Hall-effect element.\u003c\/li\u003e\n\u003cli\u003eVerify the power supply voltage is within the 10-30 VDC range and that the load resistance is configured for the typical 100 kOhm operation.\u003c\/li\u003e\n\u003cli\u003ePerform a commissioning test by manually rotating the shaft at low speed to confirm square wave pulse generation before applying full operational velocity.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"EMERSON","offers":[{"title":"Default Title","offer_id":53036063785269,"sku":"PR9376\/20","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/PR937620.png?v=1782375722","url":"https:\/\/www.5gplc.com\/products\/epro-pr9376-20-hall-effect-speed-sensor","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}