QB/T 4703-2014 Abstract: This standard specifies the terms and definitions, product classification and model naming, requirements, test methods, inspection rules, markings, instructions for use, packaging, transportation, and storage of thermal storage indoor electric heaters. This standard applies to single-phase appliances with a rated voltage not exceeding 250 V, and other appliances with a rated voltage not exceeding 480 V, Heat storage indoor electric heaters for use in households and similar places (hereinafter referred to as "heaters"). Release date: July 9, 2014. Release unit: Domestic - Industry standards - Industry standards - Light industry CN QBCCS: Y Light industry, cultural and daily necessities - Y60/69 Household appliances, daily appliances - Y63 Household electric heating appliances ICS: 97 Household and commercial equipment, entertainment, sports -97.100 Household, commercial and industrial heating appliances -97.100.10 Electric heaters
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