New Delhi Laboratories Pvt. Ltd manufactures Winding Temperature Indicator. New Delhi Laboratories Pvt. Ltd is ISO/IEC 17025:2005 certified company. The Company also offers thermal imaging camera, DGA sampling bottle, silica gel breather, bushings, earthing electrode etc. The Winding Temperature Indicator is used for control and protection for all transformers. The Winding Temperature Indicator measures the winding temperature, since it is dangerous to place a sensor close to winding due to the high voltage.