Maintaining and cleaning your constant temperature and humidity tester is just as important as using it. Neglecting proper care can significantly reduce the lifespan of your equipment and compromise its performance. Here are some essential tips for daily maintenance and cleaning of the testing machine.
Before starting any test, make sure to remove any internal debris or contaminants. This helps prevent damage to sensitive components and ensures accurate results. The power distribution compartment should be cleaned at least once a year using a vacuum cleaner to remove dust and dirt buildup.
The exterior of the cabinet should also be cleaned regularly—ideally once a year with a soft cloth to keep it looking clean and functional. For the humidifier, it's important to replace the water in the reservoir monthly to maintain water quality. Additionally, clean the humidifying tray every month to ensure smooth water flow and prevent blockages.
Check the over-temperature protector periodically. When the machine is running, the set point should be 20–30°C higher than the maximum operating temperature. If the temperature reaches this threshold, the heater will shut off, the warning light will activate, and the fan will continue running. Always verify the settings before long unattended operations.
The condenser should be cleaned monthly using a vacuum or compressed air to remove dust from the heat-dissipating mesh. This helps maintain cooling efficiency and prevents overheating.
The wet bulb test cloth should be replaced if it becomes dirty, hard, or after completing a temperature control cycle. It’s recommended to replace the cloth every three months. When replacing, clean the temperature sensor with a soft cloth and ensure the new cloth is properly washed before installation.
Lastly, check the water level in the wet bulb reservoir. The water level should be about six minutes full to avoid overflow or inadequate moisture absorption. Adjust the water level as needed to maintain accuracy during testing.
Proper maintenance not only extends the life of your equipment but also ensures consistent and reliable performance. By following these steps, you can maximize the utility and effectiveness of your constant temperature and humidity tester.
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