Constant temperature and humidity test chamber wet ball gauze correct placement method
Foshan Gruwill Hardware Products Co., Ltd. , https://www.zsgruwill.com
August 04 08:32:49, 2025
Wet bulb gauze plays a crucial role in the accurate humidity measurement within a constant temperature and humidity test chamber during damp heat testing. Proper installation and maintenance of the wet bulb gauze are essential to ensure reliable and consistent results. Here’s how to handle it correctly:
First, take the wet bulb gauze from its packaging and cut it to approximately 10 cm in length. Next, submerge the lower end of the gauze into the water tank to allow it to absorb moisture easily. Then, carefully hang or place the gauze near the humidity sensor so that it can effectively interact with the surrounding environment.
Regular inspection and maintenance of the wet bulb gauze are equally important. It should be properly positioned on the wet bulb sensor at the top and placed into the gauze sink at the bottom. This setup ensures that the gauze remains moist and can accurately reflect the humidity levels inside the chamber. If the gauze is not installed correctly, the humidity sensor may display false readings—such as indicating 100% humidity when it's not actually the case—and this could prevent the system from reducing humidity as needed.
Before conducting any humidity test, always check whether the wet bulb gauze is properly hung. If it is in place, make sure it is fully saturated with water. If the gauze appears dry, discolored, or has lost its ability to absorb moisture, replace it immediately. Using old or damaged gauze can lead to inaccurate readings and compromise the entire test process.
It's also recommended to clean the water tank and gauze sink regularly to prevent dirt or debris from affecting the performance of the wet bulb gauze. Keeping everything clean and well-maintained will help ensure the longevity of your equipment and the accuracy of your test results. Always follow the manufacturer’s guidelines for specific procedures and replacement schedules.