{"product_id":"brannan-13-222-3-mason-s-wet-dry-bulb-hygrometer","title":"Brannan 13\/222\/3 | Mason's Wet \u0026 Dry Bulb Hygrometer | -5 to +50 °C","description":"\u003cp\u003eBrannan 13\/222\/3 is a Mason's hygrometer, a simple form of psychrometer for measuring the water vapour in the air as relative humidity (%RH). Two thermometers reading -5 to +50 °C\/°F in 1 degree divisions show the wet and dry bulb temperatures, and the supplied table converts the difference between them into a %RH value. It comes with chart and instructions in an individual box, and a replacement reservoir pot is available as 13\/087\/0.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWet and dry bulb psychrometer\u003c\/li\u003e\n\u003cli\u003eMeasures humidity as %RH\u003c\/li\u003e\n\u003cli\u003eAccuracy ±1 °C\/°F\u003c\/li\u003e\n\u003cli\u003ePolypropylene case, polyethylene reservoir\u003c\/li\u003e\n\u003cli\u003eSupplied with conversion chart and instructions\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brannan","offers":[{"title":"Default Title","offer_id":67812014227569,"sku":"13\/222\/3","price":0.0,"currency_code":"AED","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/3930\/0977\/files\/13-222-photo-story-1_b30cb7f2-e444-4e86-89ae-89ecd39838c7.jpg?v=1792783051","url":"https:\/\/www.generaltechshop.sa\/products\/brannan-13-222-3-mason-s-wet-dry-bulb-hygrometer","provider":"General Tech Services LLC","version":"1.0","type":"link"}