{"product_id":"varian-photodiode-detector-assy-for-cary-50","title":"Varian Photodiode Detector Assy for Cary 50","description":"\u003cp\u003eThe Varian 3498 Photodiode Detector Assembly is a critical internal component of the Cary 50 UV-Vis Spectrophotometer. This assembly is responsible for capturing the light signal after it has passed through the sample and converting it into the electronic data that the software interprets as absorbance or transmittance.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003eThe Cary 50 is unique because it uses a Xenon flash lamp as its light source. The detector assembly must be precisely synchronized with these high-intensity pulses:\u003c\/p\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003eSignal Conversion: It utilizes high-sensitivity photodiodes to detect light across the 190 nm to 1100 nm wavelength range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003eDual-Beam Geometry: While the Cary 50 is a \"stationary\" instrument, the detector assembly is part of a system that manages both the sample beam and a reference beam (often via a beam splitter) to ensure data stability and compensate for lamp fluctuations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\" id=\"p-rc_c85d3fc5ef40c621-273\"\u003e\u003cspan class=\"citation-455\"\u003e\u003c\/span\u003e\u003cspan class=\"citation-455\"\u003eHigh-Speed Data Acquisition:\u003c\/span\u003e\u003cspan class=\"citation-455\"\u003e Because the lamp flashes, the detector assembly is designed for \u003c\/span\u003e\u003cspan class=\"citation-455\"\u003efast response times\u003c\/span\u003e\u003cspan class=\"citation-455\"\u003e, allowing the instrument to scan at speeds up to \u003c\/span\u003e\u003cspan class=\"citation-455\"\u003e24,000 nm\/min.\u003c\/span\u003e\u003cspan class=\"citation-455 citation-end-455\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan class=\"citation-455\"\u003eUnlike photomultiplier tubes (PMTs) found in some older instruments, these photodiodes are highly robust and not easily damaged by exposure to room light when the sample compartment is open.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-455\"\u003eUsed, taken from working Cary 50 Bio.\u003c\/span\u003e\u003c\/p\u003e","brand":"Varian","offers":[{"title":"Default Title","offer_id":48807567491324,"sku":"10439","price":142.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8463\/5132\/files\/varian-photodiode-detector-assy-for-cary-50-spectrometers-spectrophotometers-varian-983930.jpg?v=1773099983","url":"https:\/\/lifesciencestrading.com\/es\/products\/varian-photodiode-detector-assy-for-cary-50","provider":"Life Sciences Trading","version":"1.0","type":"link"}