The range hood is one of the important household appliances necessary in the family kitchen. Its function is to discharge the cooking fume, pollutants and peculiar smell from the room through the powerful exhaust function, so as to ensure the freshness and environmental protection of the indoor air. Therefore, the exhaust effect of range hood is very important, and wind speed is one of the key indicators to measure the exhaust effect of range hood. The following introduces the wind speed test method of range hood.

1. preparation:

anemometers are needed to measure the wind speed of range hoods, so you need to buy or rent anemometers in advance. During the test, it is necessary to close indoor and outdoor doors and windows and other ventilation facilities to avoid external wind affecting the test results.

2. Determine the test position:

In order to obtain accurate test results, it is necessary to select a suitable test position near the exhaust port of the range hood. By observing the warning line on the side of the range hood, it can be determined that the test position is not less than 21 cm away from the side of the range hood. At the same time, the test position should be no more than 31 cm away from the cooking range to ensure that the test results reflect the exhaust situation inside the kitchen.

3. Test:

Place the sensor of the anemometer above the test position, perpendicular to the exhaust port of the range hood, and keep a distance of about 11 cm. When testing, it is necessary to adjust the range hood to the highest wind speed and record the numbers on the wind speed meter, usually in meters per second. If you need to get more accurate test results, you can test many times and take the average as the final result.

4. Evaluate the test results:

After the test, you can evaluate the exhaust effect of the range hood by comparing the test results with the parameters in the range hood instruction manual. Generally speaking, the wind speed of a good range hood should be no less than 8~11 m/s. If the test result is lower than this range, you can consider replacing the range hood or carrying out maintenance.

in a word, the exhaust effect can be effectively evaluated by accurately measuring the wind speed of the range hood, which plays a guiding role in purchasing, installing and using the range hood. Therefore, when using the range hood, everyone should pay attention to maintain good maintenance and cleanliness, and replace and clean the filter of the range hood in time to ensure the continuous and stable exhaust effect and eliminate any potential safety hazards.