Features:  1. Applied to ultrasonic atomizer and other industrial control equipment  2. The instrument selects the mode according to actual needs: humidification, dehumidification, time control function  3. Equipped with a digital automatic control system, which can set the upper limit, return difference, and switch time  Mode selection  Humidification mode (P01)  Enter mode settings  Power on, long press the SET button, the controller enters the setting state, the nixie tube displays P01, press the SET button to save the data and enter the upper limit parameter setting  Upper limit parameter setting  The nixie tube displays the upper limit of humidity, press +-to modify the data, press SET to save the data and enter the lower limit parameter setting  Lower limit parameter setting  Dehumidification mode (P02)  Enter mode settings  Power on, long press the SET button, the controller enters the setting state, press +-to switch to P02, press the SET button to save the data and enter the upper limit parameter setting  Upper limit parameter setting  The nixie tube displays the upper limit of humidity, press +-to modify the data, press SET to save the data and enter the lower limit parameter setting  Lower limit parameter setting  The digital tube displays the lower limit of humidity. Press the +-key to modify the data, press the SET key to save the data and exit the setting state  Time cycle mode (P03)  Enter mode settings  Power on, long press the SET button, the controller enters the setting state, press +-to switch to P03, press the SET button to save the data and enter the "on" parameter setting  Boot time setting  The digital tube displays the "on" time parameter, press the +-button to modify the data, press the SET button to save the data and enter the "stop" time setting  Downtime setting  The digital tube displays the "stop" time parameter, press +-key to modify the data, press the SET key to save the data and exit the setting state  Controller job description  Add humidity control:  When the actual humidity is less than or equal to the lower limit of humidity, the humidifier starts to humidify  When the actual humidity ≥ the upper limit of humidity, the humidifier stops working  In addition to humidity control:  When the actual humidity is less than or equal to the lower limit of humidity, the dehumidifier starts to dehumidify  When the actual humidity ≥ the upper limit of humidity, the dehumidifier stops working  Time cycle mode control:  "On" time + "stop" time = cycle time  For example: work 60s+stop 30s=90s cycle once