To protect file archives thermometer

Archives is government agencies, such as schools, factories, enterprises, institutions, etc. , this organ preservation and management of archives internal institutions, is a component part of the whole organ, belongs to authority management and research and consulting professional institutions, it is with staff and advisory role within the department, the assistant is, for authority management and authority functional activities provide necessary archives information support. Also because of the importance of archives, archives have very strict requirements of temperature and humidity. No matter how climate conditions, conditional years shall be set up under the condition of temperature control device, temperature and humidity range 14 ℃ ~ 24 ℃, not less than 14 ℃, no more than 24 ℃; Have a temperature control device, temperature shall not exceed the margin of changes in temperature & plusmn; 2℃； Relative humidity 45% RH, no greater than 60% RH, humidity control equipment shall not exceed the margin of the diurnal variation of the relative humidity & plusmn; 5%. Can be used for dry region, humidification machine, sweep the floor on a regular basis to ensure that environmental humidity; Humidity area, the wetted machine can be used. Archives should not be used with water and steam as heat medium heating system. Is really necessary use, effective measures should be taken to keep out water and air. In this case, we need to temperature and humidity meter to protect the archives of the important documents. The mechanical temperature and humidity meter is a wall-mountable composed of temperature and humidity part one-piece humiture amphibious instrument, part for bimetallic thermometer, temperature humidity parts for mechanical hygrometer, flange type cover, glass table stainless steel shells or copper shell, no teeth, 150 mm in diameter, surface temperature range 0 120 c 0 - 100% RH, precision is temperature & plusmn; 2%, humidity & plusmn; 6%, IP55 protection grade ( Dust, water) 。 The temperature and humidity meter scene shows temperature, intuitive and convenient; Safe and reliable, long life, fast reading, should be hang buy to well ventilated place, avoid the metope of in direct sunlight, air conditioning air outlet, 30 minutes to indicate the correct reading.