√ LCD display in English
√ Calendar and clock real time display
√ Sound and light alarms
√ High & low alarm points
√ Continuous monitor O3 concentration
√ AC110-220V power supply
√ Relay output control
√ 4-20mA or RS485 output signal
√ Easy install and operation
√ Explosion proof,water and dust proof
√ One year warranty
√ Calendar and clock real time display
√ Sound and light alarms
√ High & low alarm points
√ Continuous monitor O3 concentration
√ AC110-220V power supply
√ Relay output control
√ 4-20mA or RS485 output signal
√ Easy install and operation
√ Explosion proof,water and dust proof
√ One year warranty