Techno Instruments Company supplies Oxidation Stability Apparatus for Transformer Oils. Techno Instruments Company offers scientific laboratory equipment and apparatus. Oxidation Stability Apparatus for Transformer Oils consist of a solid aluminum heating block with outer of C.R sheet, thick insulation and a fully integrated proportional controller for maintaining a steady temperature of 50-400 degree centigrade. Oxidation Stability Apparatus for Transformer Oils is supplied complete with all glass accessories. It is also available in semi-automatic models. This instrument is available with many spares and accessories.