Dimplex humidifiers feature auto shut off when the water tank is empty.
Dimplex dehumidifiers feature auto shut off when the water tank is full.
Ensure use of any air treatment product is appropriate to the tasks for which it has been designed.
Dimplex dehumidifiers, for example, are designed for domestic use within the home. For specialist tasks we would recommend purchasing a commercial dehumidifier designed specifically for the role intended.