We develop and maintain the following user-friendly online optical & thermal calculators, for our customers to experiment with a few important optical & thermal properties.
Online ETTV U-value calculator
Online glass U-value calculator
Online solar reflectance index (SRI) calculator
Online total daylight reflectance calculator
Online luminance contrast calculator
Looking for a professional optical & thermal testing lab?
Please visit our optical & thermal testing laboratory page. Our lab is SAC-SINGLAS (ISO 17025) accredited and our customers are from more than 20 countries.
Choose OTM.
Work with the expert in Optical & Thermal Measurement solutions.