{"product_id":"1970s-heathkit-frequency-counter-1m-4100-series-u9824","title":"1970s Heathkit Frequency Counter 1M-4100 series U9824","description":"\u003ch1 class=\" normal break-word mb-xs-2\" data-buy-box-listing-title=\"\" data-listing-id=\"748896419\"\u003e1970s Heathkit Frequency Counter 1M-4100 series U9824\u003c\/h1\u003e\n\u003cp\u003e1970s Heathkit Frequency Counter 1M-4100 series U9824. Made in the USA. In pretty good cosmetic condition, with a few surface scuffs and scratches commensurate with age and use. An essential piece of kit for all amateur radio enthusiasts and radio hams.\u003c\/p\u003e\n\u003cp\u003eA manual for this frequency counter is available online from Heathkit's archives: \u003ca href=\"https:\/\/archive.org\/details\/HeathkitIM4100FrequencyCounter\"\u003ehttps:\/\/archive.org\/details\/HeathkitIM4100FrequencyCounter\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eManufacturer \/ Brand: Heathkit (Brand), Heath Co. Benton Harbor (MI), USA\u003cbr\u003eModel: Heathkit Frequency Counter IM-4100\u003cbr\u003eYear Launched: 1975\u003cbr\u003eCategory: Service or Lab Equipment\u003cbr\u003ePower type and voltage Alternating Current supply (AC) 110\/220 Volt, 50\/60 Hz, 25 Watt\u003cbr\u003eDimensions (WHD) 18.5 x 7 x 22.5 cm (excluding handles and connectors)\u003cbr\u003eUnpacked weight: 2.1Kg\u003c\/p\u003e\n\u003cp\u003ePlease click on the following links for more \u003ca href=\"https:\/\/mullard-antiques-and-collectibles.myshopify.com\/collections\/tests-measures\" target=\"_blank\" title=\"Testing and Measuring Equipment\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003evintage testing \u003c\/strong\u003e\u003c\/a\u003eand \u003ca href=\"https:\/\/mullard-antiques-and-collectibles.myshopify.com\/collections\/radio-equipment-accessories\" target=\"_blank\" title=\"radio equipment\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eradio equipment.\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e","brand":"Heathkit","offers":[{"title":"Default Title","offer_id":37582680555669,"sku":"","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0303\/5122\/8972\/products\/DSC05909_68e2ec8b-fde2-4ec7-b455-addcde5011da.jpg?v=1607533324","url":"https:\/\/mullardantiques.co.uk\/en-us\/products\/1970s-heathkit-frequency-counter-1m-4100-series-u9824","provider":"Mullard Antiques and Collectibles","version":"1.0","type":"link"}