When Dihour washing hands, the user’s hands are placed under the nozzle and before the sensor. The activated sensor will further activate a pump that dispenses a premeasured amount of soap from the nozzle.This kind of sensor sends out bursts of microwave or ultrasound energy and waits for the energy to reflect back. In a stagnant situation, the energy will bounce back in a normal pattern. When touch free hand sanitizer dispenser are placed in the basin, the energy emitted from the sensor will bounce back irregularly which triggers the dispensation of soap.This mechanism is composed of two parts, a source of focused light (usually a laser beam) and a light sensor. When the user’s hands are placed in line of the beam of light, the pump mechanism is activated by the disruption that is sensed by the light sensor.
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