Low-pressure constant-temperature and constant-humidity test rooms are generally relatively high, we recommend placing them in a relatively benign temperature environment, our experience temperature value is 8 ℃ ~ 23 ℃, the laboratory does not have this condition, must be equipped with appropriate air conditioning Cooler or cooling tower.
Control system of low pressure constant temperature and humidity test room:
1. The temperature and humidity display control instrument adopts (Japan) touch screen operation is simple, without key input, accuracy: 0.1 ℃ (display range), resolution: ± 0.1 ℃; with automatic calculation function, can immediately modify the temperature and humidity change conditions to make Humidity control is more accurate and stable, the controller operation interface is available in Chinese and English, the real-time running curve can be displayed on the screen, with 100 sets of programs, each group has 100 sections, each section can cycle 999 steps of capacity, each time setting The maximum value is 99 hours and 59 minutes. After the data and test conditions are entered, the controller has a screen lock function to avoid stopping by human touch. It has an RS-232 or RS-485 communication interface. A program can be designed on the computer to monitor the test process and The controller that performs automatic power on / off, data and other functions has a screen automatic screen saver function. During operation or setting, if an error occurs, a warning signal will be provided.
2. It is fixed to clean the condenser every 3 months: for compressors that are cooled by air cooling, the condenser fan should be regularly repaired and the condenser is decontaminated and dedusted to ensure its good ventilation and heat exchange performance; for the compressor, water cooling is used In addition to ensuring the inlet water pressure and inlet water temperature, the corresponding flow must also be ensured. Regular cleaning and descaling of the inside of the condenser to obtain its continuous heat exchange performance.
3. Cleaning of waterway and humidifier: If the waterway is not smooth and the humidifier is fouled, the humidifier may be easily burnt and may damage the humidifier, so the waterway and humidifier must be cleaned regularly.
4. Adhere to the professional management of dedicated personnel. Qualified units should send special personnel to the supplier's factory for training and learning from time to time. To obtain more professional maintenance and repair experience and capabilities.
5.Clean and balance the circulating fan blades and condenser fan of the low-pressure constant temperature and humidity test box: similar to cleaning the evaporator, due to the different working environment of the test box, a lot of small particles such as dust will condense on the circulating fan blades and condenser fan The body should be cleaned regularly.
6. Regular cleaning of the evaporator: Due to the different cleanliness of the test products, a lot of small particles such as dust will condense on the evaporator under the action of forced wind circulation, and it should be cleaned regularly.
7. The low-pressure constant temperature and humidity test chamber insists on setting the temperature near the ambient temperature after each test is completed, cut off the power after working for about 30 minutes, and wipe the wall of the working room clean.
Aisili specializes in the production of low-pressure constant-temperature and constant-humidity chambers, high-low temperature test chambers, salt spray test chambers, shaking tables, aging test chambers and other test equipment. It has many years of production experience. Professional production environment testing equipment.
For more knowledge of environmental testing equipment, please visit the search "Ai Sili" Ai Sili (China) Instrument Co., Ltd. looks forward to cooperating with new and old customers around the world for a win-win situation!
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