{"product_id":"bently-nevada-133442-01-tachometer-i-o-module-3500-series","title":"Bently Nevada 133442-01 Tachometer I\/O Module 3500 Series","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 133442-01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a Tachometer Input\/Output (I\/O) Module with internal terminations, designed for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3500\/50M Tachometer Module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein the 3500 Series Machinery Protection System. This rear-mounted module provides a direct interface for speed sensors, including Proximitor® transducers and passive magnetic pickups, delivering precise rotational speed, acceleration, and direction signals to the monitoring system.\u003c\/p\u003e\n\u003cp\u003eThe integrated screw terminals allow direct field wiring to the module without the need for additional terminal blocks or wiring harnesses, simplifying installation and reducing cabinet complexity.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003eHigh-Frequency Signal Processing\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eInput frequency handling up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e20 kHz\u003c\/strong\u003e, supporting high-speed turbines and motors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMeasures speeds from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1 rpm\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eup to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e99,999 rpm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProcesses rotor acceleration for rapid over-speed or zero-speed detection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eSignal Conditioning \u0026amp; Threshold Control\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAuto-threshold:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAdjusts automatically for input above 1 rpm (0.0167 Hz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManual threshold:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConfigurable from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e+9.5 Vdc to -23.5 Vdc\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHysteresis:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProgrammable from 0.2 V to 2.5 V to prevent false triggers from noisy signals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003ePrecision \u0026amp; Reliability\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSpeed accuracy:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u0026lt;100 rpm: ±0.1 rpm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e100–10,000 rpm: ±1 rpm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cblockquote\u003e\n\u003cp\u003e10,000 rpm: ±0.01% of actual shaft speed\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003eUpdate rate: ~100 ms for rapid data refresh\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRobust recorder outputs: Isolated +4 to +20 mA proportional to full-scale speed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShort-circuit protection on output channels ensures continuous monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eOperational Advantages\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eOperating temperature:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e-30°C to +65°C (-22°F to +150°F)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBuilt-in -24 Vdc transducer power supply (up to 40 mA per channel)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for simplex configurations requiring compact wiring solutions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with dual-channel 3500\/50M modules for enhanced monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eTachometer Input\/Output Module with Internal Terminations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e2 per module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Range\u003c\/td\u003e\n\u003ctd\u003e+10.0 V to -24.0 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e20 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Frequency\u003c\/td\u003e\n\u003ctd\u003e20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed Range\u003c\/td\u003e\n\u003ctd\u003e1–99,999 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcceleration Tracking\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003eIsolated +4 to +20 mA proportional to speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransducer Power\u003c\/td\u003e\n\u003ctd\u003e-24 Vdc, 40 mA per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5.8 W typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-30°C to +65°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e133442-01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis used in industrial machinery monitoring where precise speed measurements are critical:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eTurbine and motor rotational speed monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRotor acceleration and deceleration detection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eKeyphasor® signal generation for vibration and phase analysis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSystems where simplified cabinet wiring is a priority\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary function of the 133442-01 module?\u003c\/strong\u003e\u003cbr\u003eA: It collects speed and acceleration signals from proximity probes or magnetic pickups and provides conditioned inputs to the 3500\/50M tachometer monitor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this module be used in TMR (Triple Modular Redundant) systems?\u003c\/strong\u003e\u003cbr\u003eA: For TMR configurations, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e133450-01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eexternal termination module is recommended; the 133442-01 is best for simplex or non-redundant setups.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the module handle noisy input signals?\u003c\/strong\u003e\u003cbr\u003eA: Hysteresis and auto\/manual thresholding prevent false triggers, ensuring accurate speed and acceleration measurements even in electrically noisy environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are the outputs protected against faults?\u003c\/strong\u003e\u003cbr\u003eA: Yes, short-circuit protection is built into the recorder outputs, maintaining monitoring reliability.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44115711230051,"sku":"133442-01","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/BENTLYNEVADA133442-01-3.jpg?v=1776133528","url":"https:\/\/precisemodule.com\/products\/bently-nevada-133442-01-tachometer-i-o-module-3500-series","provider":"Precise Module Ltd.","version":"1.0","type":"link"}