{"product_id":"justop-721-vis-spectrophotometer","title":"Visible Single-Beam Spectrophotometer | 350–1020nm | 6nm Bandwidth | RS-232 Output","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eSingle-beam visible spectrophotometer with a 350–1020nm wavelength range, 6nm spectral bandwidth, and ±2nm wavelength accuracy. Photometric stability of ±0.1 %T and stray light of ≤0.5 %T at 360nm support accurate, repeatable quantitative measurements.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eEquipped with a tungsten-halogen light source, silicon photodiode detector, and a 4-position manual cuvette holder. LCD digital display shows absorbance, transmittance, and concentration readings. RS-232 serial output enables data transfer to a PC for logging and analysis.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eSuitable for routine chemical analysis, water quality testing, colorimetric assays, and teaching laboratory applications.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eKey Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eWavelength range: 350–1020nm\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eBandwidth: 6nm\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eWavelength accuracy: ±2nm\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePhotometric stability: ±0.1 %T\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eStray light: ≤0.5 %T at 360nm\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eLight source: Tungsten-halogen lamp\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eDetector: Silicon photodiode\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCuvette positions: 4 (manual)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eDisplay: LCD digital readout\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eConnectivity: RS-232\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SXR Lab Equipment","offers":[{"title":"Default Title","offer_id":57669749866821,"sku":"SXR-LAB-JUSTOP-721","price":4875.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/0066\/5413\/files\/Screenshot2026-04-01at20.37.23.png?v=1776104409","url":"https:\/\/sxrlabequipment.com\/it\/products\/justop-721-vis-spectrophotometer","provider":"SXR Lab Equipment","version":"1.0","type":"link"}