Long-Term Maintenance Plan for Humidity and Temperature Control Chambers

In the event of special circumstances that necessitate the temporary discontinuation of the temperature and humidity control test chamber, certain protective measures should be implemented. The specific methods are as follows:

When the environmental test chamber is not in use, remove the items inside, unplug the power cord, and clean the chamber both inside and out.

(2) Paper strips are used to cushion the door seal and the box to prevent sticking; if the box will not be used for an extended period, you can also apply some talcum powder to the door seal.

(3) After decommissioning, the climate-controlled humidity test chamber must also be placed in a dry, well-ventilated area, avoiding direct sunlight. Ensure the chamber is level after any relocation.

(4) Indoor air always contains a certain level of humidity. Therefore, do not cover the test chamber with a plastic bag, as this can trap moisture that is difficult to dissipate, leading to rusting of metal parts and degradation of the performance of electrical components.

(5) The refrigerant used in the temperature and humidity controlled test chamber has a very low freezing point, so there's no need to worry about it freezing; the test chamber doesn't need to be placed in a warmer location.

(6) The compressor should be powered on monthly, running for 30 to 60 minutes before being turned off.

One: Maintenance of the whole Constant Temperature and Humidity Test Chamber

The high and low temperature humidity test chamber should maintain a clean environment, ensuring the cleanliness of the working area; before long-term storage, a thorough cleaning of the entire unit is required, drying the working area, and draining the accumulated liquid in all water tanks and trays. Pay attention to dust and moisture prevention during storage.

The electrical control system of high and low temperature humidity test chambers should be regularly dusted, and the components of various control or execution systems should be checked for no loose connections or jamming, and the connecting wires should be securely fastened. A safety check should be conducted before use after long-term storage.

Section 2: Maintenance of Humidity Control System in Constant Temperature and Humidity Test Chambers

The humidification water supply system of the high and low temperature alternating humidity test chamber should be kept clean. After long-term use, the capillary pores of the water level indicator may become clogged with scale, and should be disassembled and cleared.

Section 3: Refrigeration System Maintenance for Constant Temperature and Humidity Test Chambers

The high and low temperature humidity test chamber should be managed and maintained by professionals familiar with low-temperature products. Regularly monitor changes and operation of the refrigeration system. After completing the high-temperature test (≥60℃), before preparing for the low-temperature test, first open the chamber door and wait until the working chamber temperature approaches room temperature, then conduct the low-temperature test. This is more beneficial for the normal operation and lifespan of the product.