We are Offering Oil Level Indicator. applications : this Indicator is Suitable for Oil Filled Power Transformers and Oil Filled Tanks . this Indicator Can Be Used Where Level of Liquid Inside a Static Tank is Required to Be Continuously Indicated On a Calibrated Dial . scope : indicator Continuously Reads Level Inside the Conservator and Operates a Switch When Oil Level Drops Near Empty Level Mark that is When Oil Level Drops Too Low . specifications : 1. Operating Liquid : Transformer Oil and other Oils 2. Working Temperature : 0 to 100 O Cm. 3. Working Pressure : 1 to 4