The 20mm 12LED Ultrasonic Humidifier Mist Maker uses a piezoelectric ceramic disc (a vibrating plate that converts electricity into high-frequency vibration) to atomize water into fine cool mist. The ultrasonic mist humidifier operates at 24V DC and produces up to 350 ml of mist per minute — enough to humidify a small enclosure or create a visible fog effect in a display bowl. Twelve waterproof LEDs ring the disc and light up the rising mist, adding a visual element without any extra wiring.
A non-obvious fact is that the 20mm plate works best when submerged at a water depth of 25mm to 40mm from the surface — too shallow and mist output drops sharply, too deep and output drops again. The dc24v 20mm 12led humidifier mist maker nebulizer also requires distilled or filtered water for longer disc life, since mineral scale from hard tap water blocks the ceramic surface over time.
The water mist maker connects to any 24V DC adapter and requires no microcontroller to operate. Display builders, and plant care enthusiasts all use this mist maker. Place the disc in water, connect the 1 meter cable to a 24V supply, and misting begins immediately. StemVolt provides this sensor with trusted quality, ensuring reliable performance and easy usability.
Related Product:
- Checkout The 4-Head Ultrasonic Humidifier Mist Maker Module
Features:
- Operating voltage of 24V DC powers the ceramic disc at full rated atomization capacity
- Mist output of up to 350 ml/min covers small terrariums, display bowls, and desktop humidifier setups
- 20mm plate diameter with 12 waterproof LEDs lights up rising mist without any separate LED wiring needed
- ultrasonic mist maker fogger cable length of 1 meter gives enough reach between power supply and water container
Technical Specifications:
| Specification | Details |
|---|---|
| Operating Voltage | 24V DC |
| Mist Output | Up to 350 ml/min |
| LED Count | 12 Waterproof LEDs |
| Plate Diameter | 20 mm |
| Unit Height | 25 mm |
| Cable Length | 1 meter |
Applications:
- A plant terrarium uses this unit to keep humidity levels stable without soil contact
- A 20mm 12LED Ultrasonic Humidifier Mist Maker creates a fog pond effect for a school science exhibit
- Arduino relay project switches the 24V supply on and off to control mist output by schedule
- A humidifier and nebulizer setup delivers cool mist into a reptile enclosure controlled by a temperature sensor
Package Includes:
- 1 x 20mm 12LED Ultrasonic Humidifier Mist Maker














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