The Extech CO220 air quality CO2 monitor measures carbon dioxide, air temperature, and humidity. The CO220 also calculates dew point and wet bulb. Use in conference rooms, schools, greenhouses, factories, hotels, hospitals, and any place where high levels of carbon dioxide are generated. It calculates statistical weighted averages of TWA (8 hour Time Weighted Average) and STEL (15 minute Short…
Standard FlexFoil has good stability for low molecular weight compounds such as VOCs and CO, CO2, methane and SF6.The range has good 48 hour stability for hydrogen sulphide, carbonyl sulphide, methyl and ethyl mercaptan. It is strong and flexible and constructed from evenly sealed 4-ply (5-mil) material. Light- and moisture-proof, it is excellent for light-sensitive compounds. Stocked in a variety…