Digital Humidity Controller 0–99% RH | Greenhouse & Lab
Digital Humidity Controller – Precision Humidity Management for Greenhouses, Labs & More
Take full control of your environment with this compact Digital Humidity Controller Switch. Covering a wide range of 0–99% RH with an accuracy of 0.1% RH, this easy-to-use device automatically switches connected equipment on or off to maintain your desired humidity level. Whether you're managing a greenhouse, warehouse, wine cellar, laboratory, or home grow room, this controller delivers dependable, set-and-forget humidity management.
Key Features
- Wide Humidity Range: Measures and controls from 0% to 99% RH — suitable for almost any environment
- High Accuracy: 0.1% RH control precision for fine-tuned environmental management
- Multi-Voltage Input: Compatible with 12V, 24V, and 110–220V power sources for versatile installation
- High Load Capacity: Supports up to 120W / 240W / 1500W depending on configuration
- User-Friendly Interface: Simple digital display and straightforward controls make setup quick and intuitive
- Compact Design: Measures just ~60 × 45 × 31 mm — easy to mount in tight spaces
- Durable Construction: Made from sturdy plastic housing built for continuous-use environments
- Broad Application: Ideal for greenhouses, warehouses, laboratories, storage rooms, and humidity-sensitive workspaces
Specifications
| Humidity Measurement Range | 0–99% RH |
| Control Accuracy | 0.1% RH |
| Input Voltage | 12V / 24V / 110–220V |
| Load Power | 120W / 240W / 1500W |
| Material | Plastic |
| Dimensions | ~60 × 45 × 31 mm / 2.36 × 1.77 × 1.34 in |
What's in the Box
- 1 × Digital Humidity Controller
Made in Mainland China.
Note: Please allow 1–2 cm tolerance due to manual measurement. Colors may vary slightly between monitors.
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Frequently Asked Questions
Q: What environments is this digital humidity controller best suited for?
A: This humidity controller is ideal for greenhouses, warehouses, wine cellars, grow rooms, laboratories, and any humidity-sensitive space where maintaining a specific RH level is important. Its 0–99% RH range covers virtually all common indoor environments.
Q: What voltage does the humidity controller require?
A: The controller is compatible with multiple input voltages — 12V, 24V, and 110–220V — making it flexible for both low-voltage and standard mains applications. Be sure to select the correct model version for your power supply.
Q: Does an adapter come included in the package?
A: No, an inbox adapter is not included. Please ensure you have the appropriate power connection for your chosen voltage configuration before use.
Q: How precise is the humidity control on this device?
A: The controller offers a control accuracy of 0.1% RH, allowing for very fine adjustments to maintain your target humidity level with high consistency.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.