{"product_id":"emerson-epro-pr9376-010-001-proximity-sensor","title":"Emerson EPRO PR9376\/010-001 Proximity Sensor","description":"\u003cp\u003eThe \u003cstrong\u003eEmerson EPRO PR9376\/010-001\u003c\/strong\u003e operates as a non-contact Hall effect sensor engineered for precision speed and proximity detection on critical rotating machinery. By utilizing the Hall effect principle, this module translates the passage of gear teeth or magnetic markers into electrical pulse signals, enabling continuous monitoring of turbine, compressor, and pump rotational dynamics.\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\/010-001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEmerson (EPRO)\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\u003e210 g (7.4 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eM16 threaded cylindrical housing (Standard 4.1 x 15.9 x 10.8 cm package)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-25 to 100 deg C (-13 to 212 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e10 to 30 VDC @ max. 25 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Output\u003c\/td\u003e\n\u003ctd\u003e1 AC cycle per revolution \/ gear tooth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Gap\u003c\/td\u003e\n\u003ctd\u003e1 mm (Module 1); 1.5 mm (Module \u0026gt;= 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Frequency\u003c\/td\u003e\n\u003ctd\u003e12 kHz (720,000 cpm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget Material\u003c\/td\u003e\n\u003ctd\u003eMagnetic soft iron or steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSealing Rating\u003c\/td\u003e\n\u003ctd\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHall Effect Sensing Metrics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-Contact Speed Registration:\u003c\/strong\u003e The sensor detects changes in magnetic flux density as magnetic targets (such as gear teeth or spur wheel markers) pass the sensing tip. This creates a square-wave style AC output signal directly proportional to shaft speed, providing high-fidelity feedback for tachometers and overspeed protection systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Stability and Integration:\u003c\/strong\u003e Engineered for high-speed industrial environments, the sensor features an IP67-rated stainless steel housing that maintains mechanical integrity despite extreme thermal fluctuations. The output voltage levels (High \u0026gt;10 V, Low \u0026lt;1 V) ensure compatibility with standard PLC and DCS input cards without requiring additional signal conditioning or preamplifiers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does this sensor require an external signal converter or preamplifier?\u003c\/p\u003e\n\u003cp\u003eA: No. Unlike eddy-current proximity probes which require a dedicated driver (e.g., CON0xx series), the PR9376 is an active Hall effect sensor. It integrates the sensing electronics directly into the probe housing and provides a voltage output signal that can be wired directly to standard control system digital or frequency input cards.\u003c\/p\u003e\n\u003cp\u003eQ: What are the specific target material and geometry requirements for accurate speed measurement?\u003c\/p\u003e\n\u003cp\u003eA: The sensor is designed for use with magnetic soft iron or steel targets. For optimal pulse generation, the target should be a spur wheel or involute gear. Using non-magnetic materials (e.g., certain stainless steels) or targets outside the designated module air gap specifications (1 mm for Module 1) will result in signal attenuation or loss of pulse counts.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir Gap Calibration:\u003c\/strong\u003e Thread the sensor into the mounting bracket until the tip lightly contacts the target gear tooth. Back the sensor out to achieve the specified air gap (1 mm for Module 1 gears). Secure the locknuts firmly to prevent vibration-induced movement, as an incorrect air gap is the primary cause of signal loss in high-speed applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductor Shielding and Grounding:\u003c\/strong\u003e While the sensor is ruggedized, the output signal lead should be routed in a dedicated shielded cable within grounded metallic conduits. Terminate the shield at the control system end to mitigate electromagnetic interference (EMI) from high-power AC motor cables or variable frequency drives (VFDs) that can introduce noise into the pulse train.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Emerson Epro","offers":[{"title":"Default Title","offer_id":45147361869939,"sku":"PR9376\/010-001","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-05-251_17-03-50_7c4c9938-4e64-496e-bbab-df564bfd37f5.png?v=1782986646","url":"https:\/\/www.dcssupplier.com\/products\/emerson-epro-pr9376-010-001-proximity-sensor","provider":"DcsSupplier Limited","version":"1.0","type":"link"}