验货吸尘器时，可以从以下几个方面进行检查，以确保产品的质量和功能：
1. 外观检查
包装情况：检查包装是否完整，有无破损或被拆封的痕迹。
设备外观：查看吸尘器的外观，确认是否有划痕、凹陷或其他明显的物理损坏。
配件齐全：检查说明书、保修卡、吸嘴、管子、过滤器等配件是否齐全，是否有遗漏。
2. 功能测试
开机试运行：插上电源或安装电池，开机测试，确认吸尘器能正常启动，电机运转平稳无异常噪音。
吸力测试：使用吸尘器吸附一些轻微灰尘或颗粒物，检查吸力是否足够，是否存在吸力不足或忽高忽低的情况。
各模式切换：如果吸尘器有多种模式，测试每种模式是否能正常切换，功能是否正常。
附件功能：安装各种吸嘴，测试其吸尘效果，尤其是针对不同材质（如地毯、硬地板）的吸尘效果。
3. 电池和充电检查
电池健康状况：如果是无线吸尘器，检查电池的健康状况，确认充电是否正常，电池能否保持电量。
充电时间：测试充电时间是否与说明书一致，并确认电池是否能充满且没有过热现象。
4. 过滤器和尘盒检查
过滤器检查：检查HEPA过滤器、预过滤器等是否安装到位，是否存在损坏或污染。
尘盒清洁性：检查尘盒是否清洁，是否有之前使用过的痕迹（如有灰尘残留，可能是二次销售产品）。
5. 噪音和震动测试
噪音水平：在不同的模式下运行吸尘器，检查其噪音水平是否在可接受范围内，是否有异常噪音。
震动检查：确认吸尘器在工作时是否产生异常震动，是否稳定。
6. 售后保障
保修卡和发票：确认保修卡是否填写完整，发票是否附在包装内，确保售后服务可以正常提供。
通过以上这些步骤，可以确保购买的吸尘器质量合格，功能正常。如果发现任何问题，及时联系商家或厂家处理。
Inspecting a vacuum cleaner involves several steps to ensure it is in good working condition and meets your expectations. Here’s a comprehensive guide:
1. Visual Inspection
Packaging: Check if the packaging is intact, with no signs of damage or tampering.
Exterior Condition: Inspect the vacuum cleaner for any visible damages like scratches, dents, or cracks.
Accessories: Ensure all accessories, such as hoses, nozzles, filters, and the instruction manual, are included and in good condition.
2. Functional Testing
Power On Test: Plug in the vacuum or charge the battery if it's cordless, and turn it on. Make sure it powers up smoothly without unusual noises.
Suction Power Test: Test the vacuum’s suction by cleaning up small debris or dust. Verify that the suction is strong and consistent.
Mode Switching: If the vacuum has multiple modes (e.g., carpet, hard floor), switch between them to ensure each mode works correctly.
Accessory Functionality: Attach and test each accessory (like different brushes or nozzles) to see if they work effectively and are easy to attach/detach.
3. Battery and Charging (for Cordless Models)
Battery Health: Check that the battery charges properly and holds a charge as expected. If possible, fully charge the battery and see how long the vacuum operates on a full charge.
Charging Time: Confirm that the charging time aligns with the manufacturer's specifications, and ensure the battery doesn't overheat while charging.
4. Filter and Dustbin Inspection
Filter Condition: Inspect the filters (e.g., HEPA filters) to ensure they are clean, properly installed, and free from damage.
Dustbin Cleanliness: Check the dustbin for cleanliness and that it is easy to remove, empty, and reattach.
5. Noise and Vibration Check
Noise Level: Run the vacuum and listen for any unusual or excessive noise that might indicate a problem.
Vibration: Ensure the vacuum runs smoothly without excessive vibration, which could suggest a mechanical issue.
6. User Comfort and Maneuverability
Weight and Balance: Check if the vacuum is comfortable to carry and maneuver, especially if it's meant to be handheld or cordless.
Ease of Use: Test how easy it is to move the vacuum over different surfaces, and ensure that buttons and controls are intuitive and responsive.
7. Warranty and documentation
Warranty Information: Ensure the warranty card is filled out properly, and keep the receipt or proof of purchase.
User Manual: Verify that the user manual is included and provides clear instructions for operation, maintenance, and troubleshooting.
8. Software and Connectivity (if applicable)
App Integration: If the vacuum cleaner has smart features or app connectivity, test the setup process and ensure the app controls and monitors the vacuum as expected.
By following these steps, you can ensure that the vacuum cleaner is fully functional and meets your needs. If any issues are identified, it's best to address them with the retailer or manufacturer immediately.