{"product_id":"330850-91-05-bently-nevada-25mm-din-proximitor","title":"330850-91-05 | Bently Nevada 25mm DIN Proximitor","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 330850-91-05\u003c\/strong\u003e is a \u003cstrong\u003e3300 XL 25 mm Proximitor Sensor\u003c\/strong\u003e with \u003cstrong\u003eDIN-rail mounting\u003c\/strong\u003e designed for precise vibration and position monitoring on rotating machinery. It delivers a linear output of \u003cstrong\u003e0.787 V\/mm (20 mV\/mil)\u003c\/strong\u003e across a \u003cstrong\u003e12.7 mm (500 mils)\u003c\/strong\u003e range, making it ideal for differential expansion applications on steam turbine generators. The unit features multiple agency approvals and is factory-calibrated to AISI 4140 steel.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Family:\u003c\/strong\u003e 3300 XL 25 mm Proximity Transducer System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Length:\u003c\/strong\u003e 9.0 meters (29.5 feet)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e DIN-rail mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAgency Approvals:\u003c\/strong\u003e Multiple (CSA, ATEX, IECEx)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinear Range:\u003c\/strong\u003e 12.7 mm (500 mils)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScale Factor:\u003c\/strong\u003e 0.787 V\/mm (20 mV\/mil)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e -17.5 Vdc to -26 Vdc, 12 mA maximum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Resistance:\u003c\/strong\u003e 50 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Sensitivity:\u003c\/strong\u003e Less than 2 mV change per volt change in input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e A380 aluminum alloy housing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 255 g (9 oz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -51°C to +100°C (-60°F to +212°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -51°C to +105°C (-60°F to +221°F)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures and Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDIN-rail mounting enables rapid installation in standard industrial control enclosures\u003c\/li\u003e\n\u003cli\u003eEnhanced RFI\/EMI immunity maintains signal integrity near high-frequency equipment\u003c\/li\u003e\n\u003cli\u003eSpringLoc terminal strips provide secure, tool-free wiring connections\u003c\/li\u003e\n\u003cli\u003eBackward compatible with legacy 7200 series and 25 mm DE integral systems\u003c\/li\u003e\n\u003cli\u003eCompact slim-profile housing maximizes panel space utilization\u003c\/li\u003e\n\u003cli\u003eMultiple agency approvals support global deployment in hazardous areas\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDifferential expansion monitoring on steam turbine generators\u003c\/li\u003e\n\u003cli\u003eRadial vibration and axial position measurement in turbomachinery\u003c\/li\u003e\n\u003cli\u003eMachinery protection systems in power generation facilities\u003c\/li\u003e\n\u003cli\u003eCondition monitoring in petrochemical and oil \u0026amp; gas plants\u003c\/li\u003e\n\u003cli\u003eHigh-density control panel installations requiring DIN-rail mounting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I read the Bently Nevada 3300 XL Proximitor suffix code?\u003c\/strong\u003e\u003cbr\u003eA: The three-digit suffix follows this structure: first digit = system length (5 = 5.0 m, 9 = 9.0 m); second digit = mounting style (0 = panel, 1 = DIN-rail); third digit = approvals (0 = none, 5 = multiple). For 330850-91-05, this translates to 9.0 m system length, DIN-rail mount, with multiple agency approvals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the mounting difference between 330850-91-05 and 330850-90-05?\u003c\/strong\u003e\u003cbr\u003eA: 330850-91-05 features DIN-rail mounting clips for 35 mm symmetrical rail installation, while 330850-90-05 is designed for panel mount.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the DIN-rail version have the same electrical specifications?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Both 90 and 91 variants share identical electrical performance, linear range, and output characteristics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What cables and probes are required?\u003c\/strong\u003e\u003cbr\u003eA: The sensor requires one 3300 XL 25 mm proximity probe and one 3300 XL 25 mm extension cable, ordered separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I replace a 7200 series sensor with this unit?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The output is electrically identical to 7200 and 25 mm DE integral systems, allowing direct replacement without monitor changes.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDe-energize the monitoring system before handling the sensor\u003c\/li\u003e\n\u003cli\u003eClip the Proximitor Sensor onto a 35 mm symmetrical DIN rail inside the control enclosure\u003c\/li\u003e\n\u003cli\u003eConnect the 3300 XL 25 mm probe and extension cable to the sensor input\u003c\/li\u003e\n\u003cli\u003eWire -17.5 to -26 Vdc power to the SpringLoc terminals with correct polarity\u003c\/li\u003e\n\u003cli\u003eRoute the output signal to the monitor input channel\u003c\/li\u003e\n\u003cli\u003eSet the probe gap to 7.0 mm (275 mils) against an AISI 4140 target\u003c\/li\u003e\n\u003cli\u003ePower on and verify the output voltage corresponds to the 0.787 V\/mm scale factor\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChoose 330850-91-05 for DIN-rail mounted 9.0 meter 25 mm systems with multiple approvals\u003c\/li\u003e\n\u003cli\u003eFor panel mounting, select 330850-90-05\u003c\/li\u003e\n\u003cli\u003eFor 5.0 meter system length, use 330850-51-05 (DIN) or 330850-50-05 (panel)\u003c\/li\u003e\n\u003cli\u003eWithout agency approvals, 330850-91-00 (DIN) or 330850-90-00 (panel) are available\u003c\/li\u003e\n\u003cli\u003eEnsure the control panel has adequate 35 mm DIN rail space before ordering\u003c\/li\u003e\n\u003cli\u003eOrder matching 3300 XL 25 mm probe and extension cable as separate line items\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":54000941039800,"sku":"330850-91-05","price":173.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/330850-91-05r180_f88bd923-1a33-4904-87f0-0b51ebb94340.png?v=1787898446","url":"https:\/\/www.globalpetroparts.com\/products\/330850-91-05-bently-nevada-25mm-din-proximitor","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}