Evaluation test booth capable of accommodating various tests.
To improve the speed and reliability of product development, we want to conduct various evaluation tests, which were previously outsourced, in-house. To achieve this, we would like to set up a new evaluation testing booth, but due to constraints on installation space and costs, we want it to be designed to accommodate all tests. - As a testing room, cleanliness management (Class 1000) and temperature and humidity control are necessary. - The test items will include microbial testing and VOC testing. Issues: 1. Measures must be taken to contain microbes during microbial testing to prevent leakage to the outside. 2. To ensure the rigor of microbial testing, temperature and humidity must be properly managed during the tests. 3. For VOC testing, the VOC concentration in the testing room must be controlled to be below the specified value. 4. After VOC testing, proper exhaust must be ensured so that VOCs do not remain in the testing room.
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basic information
The materials used to construct the booth for the microbial test include SUS material and antibacterial panels. To enable VOC testing, all packing materials are selected to be low outgassing. During testing, the booth is managed under negative pressure as a containment measure, and after testing, it can be managed under positive pressure for exhaust, with the air supply and exhaust each designed to be switched via inverter-controlled FFUs (fan filter units). For temperature and humidity management, an efficient circulation method is adopted to maintain target values consistently. However, during microbial and VOC testing, electromagnetic valves are used to prevent leakage to the air conditioning unit. After the VOC test, the system is switched to positive pressure, and exhaust is processed using both wet and dry scrubbers. Points: 1. Create a work procedure manual to ensure that the switching between negative and positive pressure is carried out properly, preventing leakage. 2. Select scrubbers to ensure thorough processing after confirming the types of organic solvents subject to VOC testing in advance. 3. Install sterilization lamps and perform exhaust after irradiating the booth with them post-microbial testing to implement leakage prevention measures.
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