In this storage device, an effort has been made to achieve the best performance in the smallest dimensions. The connections of this device are installed on a plate in dimensions of 50 by 50 and it is placed on a base one meter high. In the lower part of the base, another plate is installed on which the rotary pump is placed. The tank and heater will also be attached to the edges of this base. A volumetric system is used to store hydrogen. This system is equipped with a high pressure rotary pump and digital pressure gauge and the chamber temperature can be changed from minus 70 to 450 ° C in a controlled manner. The system heater is programmable and the sampling chamber will be made of a steel or Perix pipe. Its pressure can also be changed in a controlled way.