Transformer Magnetic Oil Level Gauge is used to show the oil level inside the Conservator. Oil gauges are generally in the form of a dial plate that is installed directly on the body of the expansion source. In large transformers, the size of the dial is adjusted so that it can be read from the ground. The body material of this product is made of aluminum and its body color is electrostatic. It also includes a brass hand, a polycarbonate dial and a nitrophil float.