ISO 5151-2017 was published by the International Organization for Standardization IX-ISO on 2017-0701. ISO 5151-2017 belongs to Q76 building HVAC equipment in the Chinese standard classification, 23.120 ventilation fans, air conditioners, and 27.080 heat pumps in the international standard classification. At the time of publication of ISO 5151-2017, reference was made to the standard • ISO/IEC GUIDE 98-3-2008 Uncertainty in Measurement. Part 3: Guidelines for the Expression of Measurement Uncertainty (GUM-1995) • ISO 817-2014 Refrigeration Nomenclature and Safety Classification *, 2014-05-01 update • ISO 3966-2008 Measurement of Liquid Flow in Closed Conduits - Velocity Area Method Using Pitot Static Pressure Tubes *, 2008-07-15 update • ISO 5167-1-2003 Measurement of Full Pipe Fluid Flow Using Differential Pressure Devices Installed in Circular Cross Section Conduits - Part 1: General Principles and Requirements *, 2003-03-01 update • ISO 13253-2011 Ventilation, Air Conditioning, and Air to Air Heat Pumps - Performance Testing and Rating *, 2011-07-01 Update • ISO 15042-2011 Multiple Separation System Air Conditioning Units and Air to Air Heat Pumps - Testing of Performance Ratings *, 2011-11-01 Update • ISO/TS 16491-2012 Uncertainty Evaluation Guidelines for Measuring Cooling and Heat Capacity Testing of Air Conditioning and Heat Pumps *, 2012-12-01 Update
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 problemsBaijian 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