1. Product Overview
The novita Humidifier NH890 utilizes ultrasonic technology to improve indoor air quality by increasing humidity levels. This unit is designed for ease of use and features a minimalist design to complement various interior spaces. It is suitable for use with novita Air Purifying Solution Concentrate to enhance air purification.
The NH890 offers both warm mist (up to 80°C) and cool mist (room temperature) humidification methods, with adjustable mist volume control. Safety features include a water shortage indicator and an auto-off mechanism when water levels are low. The screen luminosity can also be adjusted for comfort.
2. Important Safety Instructions
- Read all instructions before using the appliance.
- Place the humidifier on a firm, flat, water-resistant surface at least 15 cm away from walls and appliances.
- Do not immerse the unit in water or other liquids.
- Always unplug the humidifier before cleaning, filling, or moving it.
- Do not operate the humidifier with a damaged cord or plug.
- Keep out of reach of children and pets.
- Use only clean, cool tap water. Distilled or demineralized water is recommended to prevent mineral buildup.
- Do not add essential oils or other additives directly into the water tank unless specified by the manufacturer.
- Ensure the water tank cap is securely tightened after refilling.
- Do not block air vents.
3. Product Features
- Coverage Area: Up to 180 ft².
- Continuous Humidification: Minimum 21 hours.
- Dual Humidification Methods:
- Heat vaporizing (warm mist, up to 80°C).
- Ultrasonic humidification (cool mist, room temperature).
- Mist Volume Control: 3 adjustable levels.
- Water Shortage Indicator: In-built sensor detects low water levels.
- Auto-Off Safety Device: Automatically shuts off when water level falls below safety threshold.
- Screen Luminosity Control: Tap and hold the power button to dim the display for undisturbed rest.
4. Setup Guide
- Unpack: Carefully remove the humidifier from its packaging. Retain packaging for future storage or transport.
- Placement: Place the unit on a flat, stable, and water-resistant surface. Ensure it is not directly on carpet or near heat sources.
- Fill Water Tank:
- Remove the water tank from the base.
- Unscrew the water tank cap.
- Fill the tank with clean, cool tap water. Distilled or demineralized water is recommended. Do not overfill.
- Securely screw the cap back onto the tank.
- Place the filled water tank back onto the humidifier base, ensuring it is seated correctly.
- Connect Power: Plug the power cord into a suitable electrical outlet (220 Volts).

Figure 1: The novita Humidifier NH890 main unit. This image shows the overall design of the humidifier, highlighting its compact and minimalist aesthetic, ready for placement and operation.
5. Operating Instructions
- Power On/Off: Press the power button to turn the humidifier on or off.
- Mist Volume Control: Cycle through the 3 mist volume settings by pressing the mist control button.
- Mist Type Selection: Select between warm mist (heat vaporizing) and cool mist (ultrasonic) modes using the dedicated button. The warm mist can reach up to 80°C.
- Screen Luminosity: To dim the display indicator, tap and hold the power control button. Repeat to restore brightness.
- Water Shortage: The unit will indicate when water levels are low and will automatically shut off to prevent damage. Refill the water tank as per the "Setup Guide" section.
6. Maintenance
Regular cleaning is essential for optimal performance and hygiene. Always unplug the humidifier before cleaning.
6.1 Daily Maintenance
- Empty and rinse the water tank and water basin daily.
- Wipe down any wet surfaces with a clean, dry cloth.
6.2 Weekly Maintenance
- Descaling:
- Mix a solution of equal parts white vinegar and water.
- Pour the solution into the water basin and let it soak for 20-30 minutes.
- Gently scrub the basin and ultrasonic transducer with a soft brush to remove mineral deposits.
- Rinse thoroughly with clean water until the vinegar smell is gone.
- Cleaning the Water Tank:
- Add a small amount of the vinegar solution to the water tank and shake gently.
- Let it sit for 10-15 minutes, then rinse thoroughly.
6.3 Storage
When not in use for an extended period, clean the unit thoroughly, ensure all parts are dry, and store it in its original packaging in a cool, dry place.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No mist or low mist output |
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| Unit not turning on |
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| Unusual noise |
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| Water leakage |
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8. Specifications

Figure 2: Dimensions of the novita Humidifier NH890. The image illustrates the height (12.6 cm), width (9.06 cm), and depth (6.69 cm) of the unit, providing a clear visual reference for its size.
| Feature | Detail |
|---|---|
| Brand | novita |
| Model Name | NH890 |
| Operation Mode | Ultrasonic |
| Coverage Area | Up to 180 Square Feet |
| Runtime | 21 hours (minimum continuous) |
| Product Dimensions (D x W x H) | 6.7D x 9.1W x 12.6H centimetres |
| Item Weight | 3.2 Kilograms |
| Voltage | 220 Volts |
| Control Method | Remote, Touch |
| Room Type | Bedroom, Living Room, Office |
| Special Features | Ultrasonic Technology, Advanced Humidification Methods, Screen Luminosity Control |
9. Warranty and Support
The novita Humidifier NH890 comes with a 1 Year Local (Singapore) Manufacturer Warranty. Please retain your proof of purchase for warranty claims.
For technical support, service, or warranty inquiries, please contact novita customer service. Refer to the official novita website or your purchase documentation for contact details.
Manufacturer: novita