100~240V ZL-7903A LCD Display Intelligent Temperature Humidity Controller

Features:
Three temperature control modes: relay up/down limit control, SSR up/down limit control and PID control. You need to connect the SSR by yourself, SSR limit control is able to set power rate whenroom temperature is close to setpoint.
Powerful functions: With the ventilation fan control functions, humidify or dehumidify contol, door open/close check and control and illumination control.
With the timer air exhaust control and timer eggsturning control, also with the power off memory function.
Multiple prote-ction functions: With the temperature and humidity over limit warning and prote-ction function and the temperature and humidity sensors fault warning and prote-ction function.
Wide applications: Can be used for control of incubator, climate chamber, warehouse and so on places.
With two different humidity sensors: ZL-SHr05J, ZL-SHr05P for you to choose, please check before order.