1. Introduction
This manual provides comprehensive instructions for the Ailgely Digital Thermometer Hygrometer Sensor Meter. This wireless sensor is designed to measure temperature and humidity both indoors and outdoors, transmitting data to a compatible Fanju weather station. Please read this manual thoroughly before use to ensure proper setup and operation.
2. Package Contents
Upon unpacking, please verify that all items listed below are present and in good condition:
- 1 x Ailgely Digital Thermometer Hygrometer Sensor Meter
Note: 2 x AA batteries are required for operation and are not included in the package.
3. Product Features
- Indoor and Outdoor Use: Suitable for monitoring temperature and humidity in various environments.
- Wireless Transmission: Offers a 60-meter transmission range in open areas for accurate data collection.
- Waterproof Design: IPX4 waterproof rating ensures durability in different weather conditions.
- Flexible Installation: Can be easily mounted on a wall or placed on a desktop.
- Compatibility: Specifically designed for use with Fanju weather stations.
4. Setup
4.1 Battery Installation
- Locate the battery compartment cover on the back of the sensor.
- Carefully slide or unclip the cover to open the compartment.
- Insert two (2) AA batteries, ensuring correct polarity (+ and - terminals).
- Replace the battery compartment cover securely.
4.2 Placement and Mounting
The sensor offers versatile placement options:
- Desktop Placement: The sensor can stand upright on any flat surface.
- Wall Mounting: Use the integrated hanging hole on the back of the sensor. Secure a screw (not included) into the desired wall location and hang the sensor.

Figure 1: Back view of the sensor with battery compartment and mounting hole.
4.3 Pairing with Fanju Weather Station
Important: This sensor is designed exclusively for use with Fanju weather stations. It may not be compatible with other brands or models.
To pair the sensor with your Fanju weather station:
- Ensure both the sensor and the Fanju weather station are powered on and within the 60-meter transmission range.
- Refer to your Fanju weather station's instruction manual for specific pairing procedures. Typically, this involves initiating a sensor search function on the weather station.
- The sensor will automatically attempt to transmit data once powered. The weather station should detect and display the sensor's readings.
5. Operation
5.1 Display Overview
The sensor features a clear LCD display showing current temperature and humidity readings.

Figure 2: Front view of the sensor display.
- Temperature: Displays in Celsius (°C) or Fahrenheit (°F), depending on the setting of the connected Fanju weather station.
- Humidity: Displays as a percentage (%).
- Channel Indicator: May show a channel number (e.g., CH1) if the sensor supports multiple channels or if the weather station is configured for multiple sensors.
5.2 Transmission
The sensor wirelessly transmits temperature and humidity data to the paired Fanju weather station. Ensure there are no significant obstructions (e.g., thick walls, large metal objects) between the sensor and the weather station to maintain optimal signal strength and transmission range.
6. Maintenance
6.1 Battery Replacement
When the display becomes dim or the sensor stops transmitting data, it is time to replace the batteries. Follow the battery installation steps in Section 4.1. Always use fresh AA batteries.
6.2 Cleaning
To clean the sensor, wipe it with a soft, damp cloth. Do not use abrasive cleaners, solvents, or immerse the unit in water. Ensure the battery compartment is dry before closing.
7. Troubleshooting
- No Display: Check battery installation and ensure batteries are fresh.
- No Data on Weather Station:
- Verify the sensor is within the 60m transmission range of the weather station.
- Ensure there are no major obstructions blocking the signal.
- Re-pair the sensor with the weather station according to the weather station's manual.
- Replace batteries in the sensor.
- Inaccurate Readings: Ensure the sensor is placed in a location free from direct sunlight, heat sources, or excessive moisture that could skew readings.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | Ailgelyvwcdo75mzp-5W |
| Material | ABS |
| Color | White |
| Waterproof Rating | IPX4 |
| Transmission Range | Up to 60 meters (open area) |
| Power Supply | 2 x AA Batteries (not included) |
| Dimensions (approx.) | 9.6cm (H) x 5cm (W) x 3.4cm (D) / 3.78in (H) x 1.97in (W) x 1.34in (D) |
| Weight (approx.) | 73g / 2.57oz |

Figure 3: Sensor dimensions.
9. Warranty and Support
For warranty information or technical support, please refer to the documentation provided with your purchase or contact the retailer. Keep your purchase receipt as proof of purchase.