Generally as per ASTM D 97, ASTM D 2500 & equivalent test methods. Digital temperature display with resolution of 0.1°C. Temperature control to within ± 1°C . Long life, high safety zone, stainless steel immersion heaters, Automatic low liquid level safety cut-off & drain to empty tank almost fully, Seamless copper jackets, with disks, gaskets, test jars, corks, Non CFC, future safe, environment friendly refrigeration stainless steel tanks, powder coated exterior, PUF insulation, wheels for easy mobility. Single Tank, with 4 test positions, with temperature settings with resolution of 0.1°C for tests at successively lower temperatures, with four sets of jackets, jars, disks, gaskets and corks. With minimum temperature of -30°C