{"product_id":"1960s-type-1602-b-general-radio-company-uhf-admittance-meter","title":"1960s Type 1602-B General Radio Company UHF Admittance Meter","description":"\u003ch1\u003e1960s Type 1602-B General Radio Company UHF Admittance Meter\u003c\/h1\u003e\n\u003cp\u003eThis strange looking instrument is a 1960s Type 1602-B General Radio Company UHF Admittance Meter Serial Number: 4221. It\u003cspan\u003e could measure admittance and impedance, and be used to determine the reflection coefficient on a 50-ohm coaxial line.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eIn fairly good condition, with some surface blemishes, it is supplied unboxed and without any additional accessories. It has not been tested.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApproximate Size:  \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBase Width: 9 cm \u003c\/li\u003e\n\u003cli\u003eBase Depth: 13.4 cm\u003c\/li\u003e\n\u003cli\u003eMax. Depth: 14cm \u003c\/li\u003e\n\u003cli\u003eMax. Height: 17.5cm\u003c\/li\u003e\n\u003cli\u003eMax. Diameter: 12.5cm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstruction manuals are available to download from the internet.\u003c\/p\u003e\n\u003cp\u003eThe 1602-B measured admittance (0.01 to 10,000mmho) and impedance over a wide frequency range (40-1.5GHz) in antennas and transmission lines. As a null instrument it also measured the conductance and susceptance (+\/- 200 mmho) of an unknown circuit directly. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMillimhos, or mmho, is an old unit of electric conductance equal to one thousandth of a mho. It is used to measure how well a material can conduct electricity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1 mho = 1 siemens = Ω\u003csup\u003e-1  \u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePlease click on the following link for more \u003ca href=\"https:\/\/mullardantiques.co.uk\/collections\/radio-test-equipment-vintage-and-modern\" rel=\"noopener\" target=\"_blank\"\u003evintage radio testing equipment.\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eNB: Accessories shown are for photographic purposes only and are not included in the sale.\u003c\/p\u003e","brand":"General Radio Co","offers":[{"title":"Default Title","offer_id":56195796894071,"sku":null,"price":62.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0303\/5122\/8972\/files\/1960s_Type_1602-B_General_Radio_Company_UHF_Admittance_Meter_1.jpg?v=1763387077","url":"https:\/\/mullardantiques.co.uk\/en-us\/products\/1960s-type-1602-b-general-radio-company-uhf-admittance-meter","provider":"Mullard Antiques and Collectibles","version":"1.0","type":"link"}