Insensitive to mechanical vibrations and temperature fluctuations, ZEISS DuraMax HTG delivers accuracy down to 3.2 microns at ambient temperatures ranging from 15–40°C, making it suited for non-air conditioned production areas. Z axis is insulated with hood and basic body of machine is equipped with reflecting stainless steel cover and special insulation. Machine can operate under temperature changes up to 50% per hour and 100% per day without compromising measurement quality.