1. DDC monitoring: 1) Air conditioning fresh air temperature and humidity. 2) DDC and central station display the return air humidity and humidity of the air conditioning respectively. 3) The DDC and central station respectively display the outlet temperature and humidity of the forced draft fan、 and when there is an alarm for over temperature and humidity. 4) Filter pressure difference exceeding limit alarm. 5) Anti freezing protection control: When the temperature is below 5 ℃、 remind maintenance personnel (or interlocking) to take anti freezing measures. If the wind speed switch is installed in the air duct、 it can also prevent the risk of frost cracking. The wind speed switch indicates that the wind speed is too low、 and the fresh air valve should also be closed to prevent external cold air from entering P>
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific、 fair、 and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsinspection and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered、 meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing、 with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle、 low cost、 and attentive service 7. Possess authoritative qualifications such as CMA、 CNAS、 CAL、 etc 8. The testing report is authoritative and effective、 and is generally used in China