Textile Testing Laboratories require ""Close Control"" of temperature and humidity worldwide. This specially designed system ensures compliance with international standards. Four systems available to suit room volumes from 60 cubic metres (2100cu.ft.) to 280 cubic metres (9000 cu.ft). Custom built units available for larger volume rooms. Air cooled, steam humidifier, hot gas bypass, electronic controls with digital display of temperature and humidity to control area at 20°C (70°F) ± 2° and 65% RH ± 2% (or other conditions as required). Installation is not included, may be required. For final offer and recommendations, complete questionnaire.