1. Úvod
The Benetech GM8910 is a multi-purpose anemometer designed for comprehensive environmental measurements. This device integrates eight functions into one unit, allowing for precise measurement of temperature, humidity, wind chill, dew point, wind speed, barometric pressure, altitude, and illumination. It features a matrix liquid-crystal display with backlighting, unit switching, and data saving capabilities, making it a versatile tool for various applications.
This manual provides detailed instructions for the proper setup, operation, and maintenance of your GM8910 anemometer to ensure accurate readings and prolonged device life.
2. Konec produktuview
The Benetech GM8910 is a compact and robust device, typically yellow and black, featuring a clear LCD screen and intuitive control buttons. It includes a built-in fan for wind speed measurement and various sensors for other environmental parameters.


3. Vlastnosti
- Měření 8 v 1: Measures Temperature, Humidity, Wind Chill, Dew Point, Wind Speed, Barometric Pressure, Altitude, and Illumination.
- Široké rozsahy měření:
- Teplota: -20~60℃
- Vlhkost: 0 ~ 100% RH
- Wind Chill: -40.0~10.0℃
- Dew Point: -40.0~60.0℃
- Wind Speed: 0.7~30.0m/s
- Barometric Pressure: 300~1100hPa
- Altitude: -500~9000m
- Illumination: 0-55000Lx
- Data Saving Function: Manual saving and automatic recording of data.
- Přepínání jednotek: Supports various measurement units.
- Matrix LCD Screen: Rich display content with backlighting for clear visibility.
- Zobrazení stavu baterie: Indicates current battery status.
4. Nastavení a zahájení
4.1 Instalace baterie
The GM8910 anemometer requires batteries for operation (batteries are not included). Locate the battery compartment on the back of the device. Open the compartment cover, insert the required batteries according to the polarity indicators, and then securely close the cover.
4.2 Zapnutí/vypnutí
To power on the device, press and hold the power button (usually marked with a ⏻ symbol) until the display illuminates. To power off, press and hold the power button again until the display turns off.
5. Návod k obsluze
5.1 Rozhraní hlavní nabídky
After powering on, the device will display a logo for approximately 1 second, then transition to the main menu interface. This interface allows you to select the desired measurement function.

Use the left and right arrow buttons to navigate and select items on the main menu. Press the 'Confirm' button (often labeled 'FUNC' or similar) to enter the selected display interface.
5.2 Měřicí funkce
Once a measurement function is selected from the main menu, the device will display the corresponding readings. For example, selecting 'Temperature' will show the current temperature.

To switch units (e.g., from Celsius to Fahrenheit for temperature, or m/s to km/h for wind speed), press the 'UNIT/ESC' button. This button also serves to exit the current measurement screen and return to the main menu.
For specific measurements:
- Teplota a vlhkost: Ensure the sensors are exposed to the environment you wish to measure.
- Rychlost větru: Position the device so the built-in fan is facing the wind direction.
- Osvětlení: Point the light sensor towards the light source.
- Barometrický tlak a nadmořská výška: These measurements are typically taken automatically by internal sensors.
6. Specifikace
The following table details the measurement ranges, resolutions, and accuracies for the Benetech GM8910 Multi-Purpose Anemometer:

| Měřicí položka | Rozsah měření | Rezoluce | Přesnost | Doba odezvy |
|---|---|---|---|---|
| Teplota | -20~60℃ | 0.1℃ | ±1.0℃ | 1S |
| Vlhkost | 0~100% RH | 0.1% RH | ± 5% relativní vlhkosti | 1S |
| Wind Chill | -40.0~10.0℃ | 0.1℃ | ±2.0℃ | 1S |
| Rosný bod | -40.0~60.0℃ | 0.1℃ | ±2.0℃ | 1S |
| Rychlost větru | 0.7 ~ 30.0 m / s | 0.1 m/s | ±3% or ±0.3m/s | 1S |
| Barometrický tlak | 300~1100hPa | 0.1 hPa | ±1.0 hPa | 1S |
| Nadmořská výška | -500~9000m | 1m | - | 1S |
| Osvětlení | 0~55000Lx | 1 lx | ±3 % | 1S |
| Velikost | Rozměr 48 x 21.2 x 122 mm | |||
| Hmotnost položky | 1.5 kg | |||
7. Údržba
- Čištění: K čištění zařízení používejte měkký, suchý hadřík. Nepoužívejte abrazivní čisticí prostředky ani rozpouštědla.
- Skladování: Zařízení skladujte na chladném a suchém místě mimo dosah přímého slunečního záření a extrémních teplot. Pokud jej skladujete delší dobu, vyjměte baterie, abyste zabránili vytečení.
- Péče o senzor: Keep the wind impeller free from obstructions. Ensure humidity and temperature sensors are clean for accurate readings.
- Výměna baterie: Vyměňte baterie, když se na displeji zobrazí indikátor slabé baterie.
8. Řešení problémů
- Zařízení se nezapne: Check battery installation and ensure batteries have sufficient charge. Replace batteries if necessary.
- Nepřesné údaje: Ensure sensors are clean and unobstructed. Verify the device is used within its specified operating conditions.
- Problémy se zobrazením: Pokud je displej tlumený nebo bliká, vyměňte baterie. Pokud problém přetrvává, kontaktujte zákaznickou podporu.
9. Záruka a podpora
For warranty information and technical support, please refer to the documentation provided with your purchase or contact Benetech customer service directly. Keep your purchase receipt as proof of purchase for warranty claims.