Extensive pressure generator

The invention discloses an extensive pressure generator, and belongs to the field of automatic meter calibration instruments. The extensive pressure generator is characterized by comprising a controlinstrument, a pressurization system unit, a pressure detection unit and an output interface unit; the control instrument and the pressurization system unit are connected electrically through a controlline bar; the pressure detection unit and the control instrument are connected electrically through a detection line bar; the pressurization system unit is in pipeline connection with the pressure detection unit and the output interface unit; the control instrument comprises a shell; a display screen, a setting key, an increase key, a reduction key, a power switch, a manual indicating lamp and analarm indicating lamp are arranged on the shell. The extensive pressure generator can substitute for three different voltage ranges, namely low voltage, medium voltage and high voltage. 本发明公开了种大范围压力发生装置，属于自动化仪表校验仪器领域。其特征在于，包括控