{"product_id":"bently-nevada-3500-50m-01-00-tachometer-module-286566-02","title":"Bently Nevada 3500\/50M-01-00 Tachometer Module | 286566-02","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cspan style=\"color:#00529b;font-weight:700;\"\u003eBently Nevada 3500\/50M-01-00 286566-02\u003c\/span\u003e is a dual-channel tachometer module for 3500 monitoring systems. It measures speed, zero speed, and rotor acceleration on turbines, compressors, and pumps using proximity probes or magnetic pickups.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Configuration\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e3500\/50M\u003c\/strong\u003e – Tachometer Module.\u003cbr\u003e\n\u003cstrong\u003e-01\u003c\/strong\u003e – I\/O module with internal terminations.\u003cbr\u003e\n\u003cstrong\u003e-00\u003c\/strong\u003e – No agency approval.\u003cbr\u003e\nAccepts up to two transducer inputs. Supports 1 to 255 events per revolution, max full scale 99,999 rpm, max input frequency 20 kHz.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:13px;\"\u003e\n  \u003ctr style=\"background:#f0f4f8;\"\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003eInput Signal Range\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003e+10.0 V to -24.0 V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003eInput Impedance\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003e20 kΩ (standard) \/ 40 kΩ (TMR) \/ 7.15 kΩ (Internal Barrier)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f0f4f8;\"\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003eTransducer Supply\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003e24 Vdc, 40 mA max per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003eMax Input Frequency\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003e20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f0f4f8;\"\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003eMax Full Scale RPM\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003e99,999 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003eRPM Accuracy (\u0026lt;100 rpm)\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003e±0.1 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f0f4f8;\"\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003eRPM Accuracy (100-10,000 rpm)\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003e±1 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003eRPM Accuracy (10,000-99,999 rpm)\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003e±0.01% of true speed\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f0f4f8;\"\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003eRPM\/Min Accuracy\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003e±20 rpm\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003eRecorder Output\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003e+4 to +20 mA, 0 to 600 Ω load\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f0f4f8;\"\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003eResolution\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003e0.3662 µA\/bit ±0.25% (room temp)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003ePower Consumption\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003e5.8 W typical\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f0f4f8;\"\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003eDimensions (HxWxD)\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003e241.3 x 24.4 x 241.8 mm (9.50 x 0.96 x 9.52 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003e0.82 kg (1.8 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f0f4f8;\"\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003eRack Space\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ccc;\"\u003e1 full-height front slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003cp\u003eMount in any full-height front slot of a 3500 rack. For proximity probes, set the Auto Threshold for inputs above 0.0167 Hz. For magnetic pickups, minimum input frequency is 3.3 Hz. Manual threshold adjustable from +9.5 Vdc to -23.5 Vdc with 500 mV peak-to-peak minimum amplitude. Use shielded cables for field wiring.\u003c\/p\u003e\n\n\u003ch2\u003eEngineering Advantages\u003c\/h2\u003e\n\u003cp\u003eHigh accuracy across the full speed range (±0.01% above 10,000 rpm). Dual-channel input with independent recorder outputs. Short-circuit protected buffered transducer outputs on front coaxial connectors. Supports advanced rotor acceleration and zero speed detection with programmable alarm delays (1-60 sec).\u003c\/p\u003e\n\n\u003ch2\u003eTechnical FAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What transducers are compatible?\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003eA1:\u003c\/strong\u003e Accepts up to two proximity probe transducers or passive magnetic pickups. For magnetic pickups, the minimum input frequency is 3.3 Hz.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ2: How to set the trigger threshold?\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003eA2:\u003c\/strong\u003e Use Auto Threshold for signals above 0.0167 Hz (1 rpm at 1 event\/rev). Manual threshold adjustable from +9.5 Vdc to -23.5 Vdc with minimum 500 mV peak-to-peak amplitude.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ3: What are the firmware requirements for integration?\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003eA3:\u003c\/strong\u003e Requires 3500\/22M Firmware Rev 1.70, Configuration Software v4.20+, Data Acquisition v2.52+, and 3500\/50M Firmware Rev 5.30+. Not compatible with 3500\/20 racks.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52687623225476,"sku":"3500\/50M-01-00","price":186.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/3500_50M-01-00_286566-02.jpg?v=1787407220","url":"https:\/\/www.etowonauto.com\/it\/products\/bently-nevada-3500-50m-01-00-tachometer-module-286566-02","provider":"Etowon Auto","version":"1.0","type":"link"}