The Humidity Sensitive Switch Relay Module is an intelligent control device that automatically activates or deactivates connected equipment based on ambient humidity levels. Ideal for dehumidifiers, ventilation systems, and agricultural applications.
✨ Key Features and Benefits
- Automatic humidity-based switching
- Adjustable humidity setpoint
- 10A relay output for high-power devices
- LED status indicators
- Compact DIN rail or wall mounting
- Manual override capability
🔧 Material and Construction Details
| Component | Material | Description |
|---|---|---|
| Sensor | Capacitive polymer | High-sensitivity humidity detection |
| Relay | Electromechanical | 10A/250V AC switching capacity |
| Enclosure | ABS plastic | Flame-retardant housing |
| Circuit Board | FR-4 | Industrial-grade PCB |
📚 Use Cases and Applications
- Automatic dehumidifier control
- Greenhouse humidity management
- Ventilation system automation
- Museum/climate-controlled storage
- Industrial process control
- Smart home humidity regulation
🔍 Technical Specifications
| Specification | Details |
|---|---|
| Humidity Range | 20% RH to 90% RH |
| Accuracy | ±5% RH |
| Setpoint Adjustment | Rotary potentiometer |
| Hysteresis | Adjustable 5-15% RH |
| Relay Rating | 10A/250V AC |
| Power Supply | 110-240V AC or 12-24V DC options |
| Response Time | <15 seconds |
| Operating Temp | -10°C to +60°C |
| Dimensions | 85×55×35 mm |
| Installation | DIN rail or wall mount |
🧼 Care Information
Keep the sensor area clean and free from dust. Avoid condensation on the sensor surface. Periodically verify calibration against a reference hygrometer. Store in dry conditions when not in use.
⚠ Safety Information
Ensure proper electrical installation by qualified personnel. Do not exceed relay ratings. Disconnect power before servicing. Avoid exposure to corrosive gases or liquids. Not for use in explosive atmospheres.
👍👎 Pros & Cons
| Pros | Cons |
|---|---|
| Fully automatic operation | Requires periodic calibration |
| Handles high-power devices | Mechanical relay has limited lifespan |
| Easy installation | Analog adjustment lacks precision |
| Versatile applications | Not suitable for extreme environments |
🅿 Product Images:
