Product Overview
The 01 MH-13001 LCD Digital Humidity Controller is a high-precision device designed to accurately monitor and control environmental humidity. Its large, clear LCD display ensures easy readability and operation. Constructed from durable, high-quality plastic, this controller is built for longevity and reliable performance. It is compact and lightweight, making it highly portable and an essential tool for various applications, particularly in environments requiring precise humidity management such as breeding farms.

Image: The 01 MH-13001 LCD Digital Humidity Controller, showing its compact design and clear digital display.
Key Features
- Large LCD Screen: Enhances readability and simplifies operation.
- High-Quality Construction: Made from durable materials for extended lifespan.
- High-Precision Humidity Control: Ensures accurate environmental humidity management.
- Compact and Portable: Small size and light weight make it easy to transport and install.
- Versatile Application: Suitable for equipment and settings requiring humidification or dehumidification, such as breeding farms.
Setup and Installation
Before installation, ensure the power supply is disconnected. The controller operates on AC 220V. Follow the wiring diagram carefully to connect the power, load, and sensor.
Package Contents:
- 1 x Humidity Controller
- 1 x Humidity Sensor
- 1 x Instruction Manual (this document)
Wiring Instructions:
Refer to the diagram below for proper wiring connections. Ensure all connections are secure to prevent electrical hazards.

Image: Wiring diagram illustrating connections for power, load, and the humidity sensor. Terminals 1 and 2 are for the load, 3 and 4 for power input, and 5, 6, 7 for the sensor.

Image: The high-quality humidity sensor with its connecting cable, designed for durability and long service life.
Operating Instructions
The controller features a clear LCD display and intuitive buttons for setting and monitoring humidity levels.

Image: Close-up view of the controller's LCD display and control buttons. Labels indicate 'D' for Dehumidify, 'H' for Humidification, '%RH' for Humidity display, 'S' for Setting, 'R' for Reset, and Up/Down arrows for adjustment.
Button Functions:
- S (Setting) Button: Press to enter setting mode. Use Up/Down arrows to adjust the desired humidity set point. Press 'S' again to confirm and exit.
- Up Arrow Button: Increases the humidity set point or navigates through menu options.
- Down Arrow Button: Decreases the humidity set point or navigates through menu options.
- R (Reset) Button: Resets the controller to default settings or clears alarms.
- D (Dehumidify) Indicator: Illuminates when the controller is actively dehumidifying.
- H (Humidification) Indicator: Illuminates when the controller is actively humidifying.
The large LCD displays the current humidity percentage (%RH). The controller automatically activates humidification or dehumidification equipment based on the set humidity range.
Maintenance
To ensure optimal performance and longevity of your humidity controller, follow these general maintenance guidelines:
- Cleaning: Periodically wipe the exterior of the controller with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Sensor Care: Keep the humidity sensor clean and free from dust or debris. Avoid exposing the sensor to extreme temperatures or direct moisture beyond its operating range.
- Ventilation: Ensure the controller's ventilation slots are not obstructed to prevent overheating.
- Storage: If storing the device for an extended period, keep it in a cool, dry place away from direct sunlight and extreme temperatures.
Troubleshooting
If you encounter issues with your MH-13001 Humidity Controller, consider the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Controller does not power on. | No power supply or incorrect wiring. | Check power connection (AC 220V). Verify wiring according to the diagram. |
| Inaccurate humidity readings. | Sensor is dirty or damaged; sensor cable is loose. | Clean the sensor. Ensure the sensor cable is securely connected. Replace sensor if damaged. |
| Humidification/Dehumidification not activating. | Set point is incorrect; load is not connected or faulty. | Adjust the humidity set point. Check the connection and functionality of the humidification/dehumidification equipment. |
| Display shows error code. | Internal error or sensor issue. | Try resetting the device using the 'R' button. If the error persists, contact customer support. |
For issues not covered here, please contact the manufacturer's support.
Specifications
| Parameter | Value |
|---|---|
| Model | MH-13001 (0116ap5ozvhw) |
| Material | Plastic |
| Working Voltage | AC 220V 50HZ/60HZ |
| Power Consumption | 3W |
| Measurement Range | 1% ~ 99% RH |
| Display Accuracy | 1% RH |
| Measurement Error | ± 3% RH |
| Control Accuracy | 1% RH |
| Operating Temperature | 0 ~ 80 ℃ |
| Dimensions (L x W x H) | Approx. 8.5 x 7.5 x 3.5 cm (3.3 x 3.0 x 1.4 in) |
| Weight | Approx. 235g (8.3oz) |
| Country of Origin | China |

Image: The MH-13001 controller displaying its approximate dimensions for reference.
Warranty and Support
Information regarding specific warranty terms and availability of spare parts is not provided in the product details. For warranty claims, technical support, or inquiries about spare parts, please contact the manufacturer directly using the contact information provided with your purchase or on the official brand website.
Software updates are not applicable or information is unavailable for this device.