{"product_id":"325-hygrograph-copy","title":"325Q Hygrograph","description":"\u003cp\u003eThe Fischer Quartz Hygrograph chart recorder can track humidity trends in real time.\u003c\/p\u003e\n\u003cp\u003eThe instrument is constructed of brass and finished in matt chromium plate. All axles are fitted with jewel bearings meaning the instrument has considerably low friction. The 325 Hygrograph uses the change of human hair or synthetic fibres depending on the moisture contained in the air to measure humidity. Fischer’s specialist treatment of the hair is the reason for the very low response time, even in the case of very low temperatures. For this reason, Fischer hair hygrographs are the preferred instrument for outdoor measurements.\u003c\/p\u003e\n\u003cp\u003eThis quartz hygrograph can be changed in an instant between a daily, weekly, or monthly revolution.\u003c\/p\u003e\n\u003cp\u003eThe 325Q is compatible with the \u003ca href=\"https:\/\/www.russell-scientific.co.uk\/collections\/barograph-consumables\/products\/310-hygrograph-chart\" rel=\"noreferrer noopener\" title=\"Fischer FS-310W Chart Paper\" target=\"_blank\"\u003eFischer 310 chart paper\u003c\/a\u003e.\u003c\/p\u003e","brand":"Fischer","offers":[{"title":"Quartz","offer_id":56633513902460,"sku":"FS-325Q","price":829.17,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/1179\/0791\/files\/FS-325Q.jpg?v=1776423775","url":"https:\/\/www.russell-scientific.co.uk\/products\/325-hygrograph-copy","provider":"Russell-Scientific","version":"1.0","type":"link"}