{"product_id":"bently-nevada-80466-02-tk81-tunable-filter-vibration-meter","title":"Bently Nevada 80466-02 TK81 Tunable Filter\/Vibration Meter","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTK81 80466-02\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom Bently Nevada is a portable dual-function calibration and signal simulation device designed for verification of proximity probe measurement chains and vibration monitoring channels. It combines mechanical displacement calibration with electronic vibration signal generation, allowing complete functional testing of API 670 machinery protection systems.\u003c\/p\u003e\n\u003cp\u003eThis instrument is commonly used in commissioning, troubleshooting, and maintenance of rotating machinery monitoring systems where both sensor integrity and monitoring electronics must be validated.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFunctional Architecture\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe TK81 is designed with two integrated verification methods:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical Displacement Simulation\u003c\/strong\u003e\u003cbr\u003eA precision micrometer-driven assembly reproduces controlled shaft movement using a hardened steel target. This allows direct validation of probe gap response and linear displacement behavior.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eElectronic Signal Generation\u003c\/strong\u003e\u003cbr\u003eAn internal signal source generates calibrated vibration and displacement signals that can be injected into monitoring channels or Proximitor® sensor inputs for system-level testing.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\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\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTK81 80466-02\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eTunable Filter \/ Vibration Meter \/ Calibration Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalibration Modes\u003c\/td\u003e\n\u003ctd\u003eMechanical + Electronic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicrometer Range\u003c\/td\u003e\n\u003ctd\u003e0–25.4 mm (0–1.0 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e0.01 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e±0.025 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget Material\u003c\/td\u003e\n\u003ctd\u003eAISI 4140 Hardened Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbe Compatibility\u003c\/td\u003e\n\u003ctd\u003e5 mm, 8 mm, 11 mm, 14 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Types\u003c\/td\u003e\n\u003ctd\u003eDC ramp \/ AC sinewave simulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e10 Hz – 5 kHz (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Interface\u003c\/td\u003e\n\u003ctd\u003eHigh-impedance BNC connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eInternal battery or external AC adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Time\u003c\/td\u003e\n\u003ctd\u003eApprox. 6–8 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to +50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C to +70°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\u003ctr\u003e\n\u003ctd\u003eHousing\u003c\/td\u003e\n\u003ctd\u003eAluminum body with steel calibration mechanism\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e200 × 150 × 120 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eSystem Testing Functions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe TK81 enables full-loop validation of vibration monitoring systems:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eProximity probe gap voltage verification\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLinear response validation across full measurement range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProximitor® sensor signal integrity testing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAlarm threshold and scaling verification\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMonitor channel response simulation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCombined mechanical and electronic system diagnostics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe dual-mode design allows technicians to isolate faults between sensors, cabling, and monitoring electronics.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eRotating machinery commissioning\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAPI 670 compliance verification\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVibration monitoring system troubleshooting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProximity probe calibration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMachinery protection loop testing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eField maintenance and diagnostic service\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat is the main function of the TK81?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eIt is used to validate proximity probe systems and vibration monitoring channels using both mechanical displacement and electronic signal simulation.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eCan it test complete monitoring loops?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eYes. It supports end-to-end testing from probe input through to monitor output and alarm response.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eIs external vibration equipment required?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eNo. The internal calibration and signal generation functions eliminate the need for external vibration sources.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44093282713688,"sku":"80466-02 TK81","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/80466-02TK81.jpg?v=1778487963","url":"https:\/\/www.industriaxplc.com\/products\/bently-nevada-80466-02-tk81-tunable-filter-vibration-meter","provider":"IndustriaX Limited","version":"1.0","type":"link"}