1. Introduction
The TOPTES TS-301 Digital Anemometer is a versatile instrument designed for accurate measurement of wind speed, temperature, and relative humidity. This device is suitable for a variety of applications, including outdoor activities like sailing, drone flying, and golf, as well as indoor environmental assessments such as HVAC system analysis.
2. What's in the Box
- 1x TS-301 Digital Anemometer
- 1x User Manual
- 1x Storage Bag
- 3x AAA Batteries

Image: The TOPTES TS-301 Digital Anemometer, user manual, storage bag, and three AAA batteries as packaged.
3. Key Features
- 2.26-inch LCD Backlit Screen: Provides clear and easy-to-read measurements in various lighting conditions.
- Multiple Measuring Units: Measures wind velocity in m/s, km/h, ft/s, ft/m, knots, and mph.
- Temperature and Humidity Sensor: Equipped to measure wind temperature (-4.0°F to 140.0°F) and relative humidity (0.0%~99.9%RH).
- MAX/MIN/AVG Modes: Allows for tracking maximum, minimum, and average wind speed readings.
- Data Hold Function: Temporarily freezes the current display reading for convenient recording.
- Auto Power-off: Automatically shuts down after 10 minutes of inactivity to conserve battery life.
- Lightweight and Portable: Compact design for easy one-handed operation and pocket storage.
4. Setup
4.1 Battery Installation
- Locate the battery compartment on the back of the anemometer.
- Open the battery cover.
- Insert three (3) AAA batteries, ensuring correct polarity (+/-).
- Close the battery cover securely.

Image: The TOPTES TS-301 Digital Anemometer, showing its front display and fan.
5. Operating Instructions
5.1 Power On/Off
Press the Power button (
) to turn the device on. To turn it off, press and hold the Power button. The device will automatically power off after 10 minutes of inactivity.
5.2 Backlight Display
Long press the Backlight/Hold button (
) for 2 seconds to activate the backlight. Long press again to turn it off.
5.3 Data Hold Function
Short press the Backlight/Hold button (
) to freeze the current reading on the display. Press again to release the hold function.
5.4 Wind Speed Unit Selection
Press the UNIT button to cycle through the available wind speed units: meters per second (m/s), kilometers per hour (km/h), feet per second (ft/s), feet per minute (ft/m), knots, and miles per hour (mph).
5.5 Temperature Unit Selection
Press the °C/°F button to switch the temperature display between Celsius (°C) and Fahrenheit (°F).
5.6 MAX/MIN/AVG Modes
Press the MAX/MIN button to view the maximum, minimum, or average wind speed recorded since the device was powered on or the mode was reset. Cycle through the modes by repeatedly pressing the button.

Image: The anemometer's display showing various measurements and button functions.
Video: A demonstration of the TOPTES TS-301 Anemometer Wind Speed Meter's features and operation.
6. Applications
The TOPTES TS-301 is designed for diverse applications:
- Outdoor Activities: Ideal for sailing, windsurfing, drone flying, kite flying, boating, frisbee, golf, and shooting to assess local weather conditions and wind impact.
- Indoor Airflow Assessment: Useful for HVAC systems, vents, dust collectors, and heat registers to measure air velocity and ensure proper functioning.
- Environmental Monitoring: Provides accurate temperature and humidity readings for various settings.

Image: The anemometer being used in diverse settings such as HVAC, shooting, sailing, golf, and drone operation.
7. Maintenance
- Keep the device clean and dry. Use a soft, damp cloth for cleaning; avoid abrasive cleaners.
- Ensure the fan blades are free from obstructions to maintain accurate readings.
- Remove batteries if the device will not be used for an extended period to prevent leakage.
- Store the anemometer in its included storage bag to protect it from dust and damage.
8. Troubleshooting
- No Display/Device Not Turning On: Check if the AAA batteries are correctly installed and have sufficient charge. Replace if necessary.
- Inaccurate Wind Speed Readings: Ensure the fan is rotating freely and is not obstructed. Verify that the device is positioned correctly into the airflow.
- Inaccurate Temperature/Humidity Readings: Allow at least 30 minutes for the sensors to adjust to a new environment for stable readings.
- Display Not Responding: Try removing and reinserting the batteries to perform a soft reset.
9. Specifications
| Feature | Specification |
|---|---|
| Model Number | TS-301 |
| Wind Speed Measuring Range | 1.5 to 67 mph (2.5 to 108 km/h) |
| Temperature Measuring Range | -4.0°F to 140.0°F (-20°C to 60°C) |
| Relative Humidity Measuring Range | 0.0%~99.9%RH |
| Display | 2.26-inch LCD with Backlight |
| Power Source | 3x AAA Batteries (included) |
| Auto Power-off | 10 minutes of inactivity |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Item Weight | 135 Grams (4.76 ounces) |
10. Warranty and Support
For warranty information, technical support, or any inquiries regarding your TOPTES TS-301 Digital Anemometer, please refer to the contact details provided in the included User Manual or visit the official TOPTES website.





