{"product_id":"beckman-rf-221-22-rf-probe-2khz-200mhz-for-22mω-meters-85cm-cable","title":"Beckman RF-221-22 RF Probe 2kHz-200MHz for 22MΩ Meters 85cm Cable","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eVintage \u003cstrong\u003eBeckman RF-221-22 RF Probe\u003c\/strong\u003e, designed for use with compatible \u003cstrong\u003e22 MΩ input impedance meters\u003c\/strong\u003e.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe RF-221 is a peak-detecting RF probe that extends AC voltage measurement capability into the radio-frequency range. According to Beckman documentation, the probe operates from \u003cstrong\u003e2 kHz to 200 MHz\u003c\/strong\u003e and provides a DC output calibrated to correspond to the RMS value of a sine-wave input.\u003c\/p\u003e\n\u003cp\u003eThis example is marked \u003cstrong\u003e“MODEL RF-221-22 – FOR 22 MEGΩ IMPEDANCE METERS”\u003c\/strong\u003e and has an approximately \u003cstrong\u003e85 cm cable\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe probe includes the attached test tip, ground lead\/clip and meter connection as pictured.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBeckman Instruments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eRF-221-22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries \/ Base Model\u003c\/td\u003e\n\u003ctd\u003eRF-221\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eRF Probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetection\u003c\/td\u003e\n\u003ctd\u003ePeak sensing, RMS calibrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e2 kHz–200 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Reading\u003c\/td\u003e\n\u003ctd\u003e25 Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e1.5 MΩ in parallel with 7 pF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeter Compatibility\u003c\/td\u003e\n\u003ctd\u003e22 MΩ impedance meters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy, 2 kHz–10 MHz\u003c\/td\u003e\n\u003ctd\u003e±(1% input + 50 mV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy, 10–100 MHz\u003c\/td\u003e\n\u003ctd\u003e±1 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy, 100–200 MHz\u003c\/td\u003e\n\u003ctd\u003e±6 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOvervoltage Protection\u003c\/td\u003e\n\u003ctd\u003e130 Vrms at 60 Hz or 250 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Length\u003c\/td\u003e\n\u003ctd\u003eApprox. 85 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eUsed, fully functional.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eCompatibility \/ Application\u003c\/h3\u003e\n\u003cp\u003eDesigned for RF voltage measurements with compatible Beckman and other suitable \u003cstrong\u003e22 MΩ input impedance meters\u003c\/strong\u003e. Compatibility with a specific meter should be confirmed by connector type and instrument specifications before use.\u003c\/p\u003e\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e1 × Beckman RF-221-22 RF Probe with approx. 85 cm cable and attached leads, exactly as pictured.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eShopify Tags\u003c\/h3\u003e\n\u003cp\u003e\u003ccode\u003eBeckman, Beckman Instruments, RF-221, RF-221-22, RF probe, radio frequency probe, multimeter probe, 22 megohm, RF measurement, vintage test equipment, electronic test equipment\u003c\/code\u003e\u003c\/p\u003e\n\u003ch3\u003eSEO Keywords\u003c\/h3\u003e\n\u003cp\u003e\u003ccode\u003eBeckman RF-221, Beckman RF-221-22, RF probe 200MHz, 22 megohm RF probe, vintage Beckman probe, RF voltage probe, multimeter RF probe\u003c\/code\u003e\u003c\/p\u003e\n\u003ch3\u003eMeta Title\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBeckman RF-221-22 RF Probe 2kHz-200MHz 22MΩ\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eMeta Description\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eVintage Beckman RF-221-22 peak-detecting RF probe for 22 MΩ meters. Frequency range 2 kHz–200 MHz, maximum reading 25 Vrms, 85 cm cable.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Beckman","offers":[{"title":"Default Title","offer_id":54596016472339,"sku":"SL 3\/C BOX 1","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/1357\/6723\/files\/IMG_0263.jpg?v=1787302239","url":"https:\/\/dlspares.com\/products\/beckman-rf-221-22-rf-probe-2khz-200mhz-for-22m%cf%89-meters-85cm-cable","provider":"DL Spares","version":"1.0","type":"link"}