To obtain an electric apparatus capable of reducing installation spaces for a thermometer and a pressure gauge.

This instrument is fitted with a bar thermometer 7 for measuring the value of the inside temperature of an electric apparatus, a pressure gauge 50 for measuring the value of the inside pressure of the electric apparatus, and a case 1 for housing the bar thermometer 7 and the pressure gauge 50 in. Here, the bar thermometer 7 is fixed standing in the case 1, and in the upper or lower part of this bar thermometer 7 a bellows 15 for the pressure gauge 50 is provided. Furthermore, one end of the bellows is fixed to a bar 12, and a marking member 16 fixed to this bar 12 is fitted with a reference part for reading a pressure value. And along with it, a pressure scale 17 corresponding to the reference part is fitted to the case 1, and the case 1 is provided with a window so as to be able to see the scale of the bar thermometer 7 and the reference part.