1. Introducció
The Benetech GM8910 is an 8-in-1 multifunctional anemometer designed for comprehensive environmental monitoring. This portable device accurately measures various parameters including wind speed, temperature, humidity, wind chill, dew point, atmospheric pressure, altitude, and illumination. It is suitable for a wide range of outdoor activities and professional applications such as HVAC, sailing, flying, surfing, drone operation, golf, and shooting.
Its compact and lightweight design ensures ease of use and portability, allowing you to gather essential weather data anytime, anywhere.

Figura 1: The GM8910 anemometer highlighting its 8-in-1 measurement capabilities including wind speed, temperature, humidity, wind chill, dew point, barometric pressure, altitude, and illumination.

Figura 2: The GM8910 anemometer demonstrating its lightweight and portable design, with dimensions of 122 x 48 x 21mm and a weight of 70g.
2. Contingut del paquet
Si us plau, comproveu el contingut del paquet en desembalar-lo per assegurar-vos que hi hagi tots els elements:
- 1 x Benetech GM8910 Multifunctional Anemometer
- 2 x piles AAA
- 1 x Manual d'usuari (aquest document)
- 1 x cordó

Figura 3: The Benetech GM8910 anemometer shown with its included accessories.
3. Configuració
3.1 Instal·lació de la bateria
- Localitzeu la tapa del compartiment de la bateria a la part posterior del dispositiu.
- Feu lliscar o desenganxeu la tapa per obrir el compartiment.
- Introduïu dues piles AAA, assegurant-vos de la polaritat correcta (+/-) tal com s'indica a l'interior del compartiment.
- Tanqueu bé la tapa del compartiment de la bateria.
The device is now ready for use. Press the power button to turn it on.
4. Funcionament
4.1 Controls i pantalla
Familiarize yourself with the device's buttons and display elements for effective operation.

Figura 4: Detailed illustration of the GM8910's LCD display components and the functions of its control buttons.
- FUNC. Button: Used for navigating menus, selecting options, and confirming entries.
- UNIT/ESC Button: Used for switching measurement units and exiting menus or modes.
- Botó d'encesa: Encén i apaga el dispositiu.
4.2 Mesures bàsiques
Upon powering on, the device will typically display real-time measurements. Hold the device in the desired environment for accurate readings. Ensure the wind impeller is unobstructed for wind speed measurements.
4.3 Selecció d'unitats
The GM8910 supports multiple units for various measurements. To switch units:
- Premeu el botó UNIT/ESC button to cycle through available units for the currently displayed measurement.
- For other measurements, navigate to the specific measurement display using the FUNC. botó i, a continuació, premeu UNIT/ESC.

Figura 5: The device's capability to switch between various units for wind speed (m/s, km/h, ft/min, knots, mph), temperature (℃/℉), humidity (%RH), barometric pressure (hPa, ATM, mbar, inHg, psi), altitude (m), and illumination (Lux, Fc).
4.4 Data Logging and Storage
The device can store up to 200 groups of data, either manually or automatically.
- Manual Data Logging: Refer to the 'Illustrations' diagram (Figure 4) for the specific button sequence to save current sensor data.
- Automatic Data Logging: The device can be configured for automatic data recording. Consult the on-screen menu options for setting intervals and starting automatic logging.
- Viewdades emmagatzemades: Use the navigation buttons to access the data viewing interface and review recorded measurements (max/min/average/current values).

Figura 6: The GM8910's data viewing interface, capable of storing up to 200 data groups for later review.
4.5 Característiques especials
The GM8910 includes several features to enhance usability:
- Max/Min/Avg Display: View the maximum, minimum, and average values of recorded data.
- Chart Mode: Visualize data trends over time.
- Indicador de bateria baixa: An icon on the display will alert you when batteries need replacement.
- Apagat automàtic: El dispositiu s'apagarà automàticament després d'un període d'inactivitat per estalviar bateria.
- Il·luminació de fons: La pantalla LCD té retroiluminació per millorar la visibilitat en condicions de poca llum.

Figura 7: Icons representing the multifunctionality of the GM8910, including unit switch, max/min/avg, data storage, chart mode, low battery indicator, and backlight.
5. Manteniment
- Neteja: Netegeu el dispositiu amb un drap suau i sec. No utilitzeu productes de neteja abrasius ni dissolvents.
- Emmagatzematge: Store the anemometer in a cool, dry place away from direct sunlight and extreme temperatures. If storing for extended periods, remove the batteries to prevent leakage.
- Substitució de la bateria: Replace batteries promptly when the low battery indicator appears to ensure accurate readings and prevent data loss.
- Impeller Care: Keep the wind impeller free from dust, dirt, and obstructions to maintain accurate wind speed measurements. Avoid touching the impeller blades directly.
6. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El dispositiu no s'encén. | Piles gastades o instal·lades incorrectament. | Comproveu la polaritat de la bateria. Substituïu-la per piles AAA noves. |
| Inaccurate wind speed readings. | Impeller obstructed or damaged. | Ensure the impeller is clean and rotates freely. Avoid holding the device in a way that blocks airflow to the impeller. |
| Readings are in unfamiliar units (e.g., metric instead of imperial). | Default unit settings. | Premeu el botó UNIT/ESC button to cycle through available units for the displayed measurement. Refer to Section 4.3. |
| La pantalla és tènue o il·legible. | Bateria baixa o retroiluminació apagada. | Replace batteries. Activate the backlight function if available (refer to Section 4.1). |
| Data logging not working. | Memory full or incorrect logging mode selected. | Check available memory. Ensure manual or automatic logging is correctly initiated. |
7. Especificacions
| Característica | Detall |
|---|---|
| Model | GM8910 |
| Marca | Benetech |
| Mides | Wind Speed, Temperature, Humidity, Wind Chill, Dew Point, Atmospheric Pressure, Altitude, Illumination |
| Interval de velocitat del vent | 0.7 to 30 m/s (max 65 mph) |
| Precisió de la velocitat del vent | ±3% |
| Resolució de la velocitat del vent | 0.1 m/s |
| Interval de temperatura | -4 a 140 ℉ (-20 a 60 ℃) |
| Precisió de la temperatura | ± 1 ℃ |
| Gamma d’humitat | 0 a 100% HR |
| Precisió de la humitat | ± 5% HR |
| Wind Chill Range | -40 a 50 ℃ |
| Interval del punt de rosada | -40 a 140 ℉ (-40 a 60 ℃) |
| Interval de pressió baromètrica | 300 a 11000 hPa |
| Precisió de la pressió baromètrica | ± 1.0 hPa |
| Rang d’altitud | -500 a 9000 m |
| Interval d'il·luminació | 0 to 55000 Lx |
| Illumination Accuracy | ±3% |
| Emmagatzematge de dades | Up to 200 data groups (manual or automatic) |
| Tipus de visualització | LCD amb llum de fons |
| Font d'alimentació | 2 x AAA Lithium Metal batteries (included) |
| Apagat automàtic | Sí |
| Dimensions | 1.89 x 0.83 x 4.8 polzades (122 x 48 x 21 mm) |
| Pes | 2.47 unces (70 grams) |
| Material | Plàstic |
| Color | Groc i Negre |
8. Garantia i Suport
8.1 Informació de la garantia
The Benetech GM8910 Multifunctional Anemometer comes with a 12 mesos de garantia des de la data de compra. Aquesta garantia cobreix els defectes de fabricació i els mals funcionaments en condicions d'ús normal. No cobreix els danys causats per un mal ús, accidents, modificacions no autoritzades o un manteniment inadequat.
8.2 Atenció al client
For any questions, technical assistance, or warranty claims, please contact Benetech customer support. Refer to the contact information provided on the product packaging or the official Benetech weblloc.





