Portable type ozone concentration online monitoring device and ozone concentration online monitoring method

The invention discloses a portable type ozone concentration online monitoring device and an ozone concentration online method. The device comprises a housing, wherein a gas exhausting device, a filter system, a gas absorption tank and a data processing system are arranged in the housing; a data display module and a starting button for starting the device are arranged on a panel of the housing; the filter system, the gas exhausting system and the gas absorption tank are communicated through a sealed PTFE tube; the gas absorption tank and the data processing system are connected through an optical fiber. The portable type ozone concentration online monitoring device has the characteristics of being simple in structure, high in integration, convenient to operate, high in measuring precision, high in measuring speed and capable of performing online monitoring in real time, not only can be suitable for monitoring ozone concentration in a transformer station environment, but also can be used for indirectly judging an operation state of electrically charged equipment in a transformer station.