Scope: This standard specifies the general technical requirements for ultraviolet retouching instruments. This standard is applicable to light sources with UV 365 nm and UV 254 nm wavelengths in special photography, and can be used to fix cameras for instruments used in UV photography. The clauses in the following documents are referred to as provisions of this standard through normative references. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. However, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this standard. GB/T 191-2000 Packaging, Storage and Transport Pictorial Symbols (eqv ISO 780:1997) GB/T 15488-1995 Filter Glass GB/T 15489.2-1995 Test Methods for Filter Glass Bubble Degree GB 4706.1-1998 Safety of Household and Similar Electrical Appliances Part 1: General Requirements (eqv IEC 335-1; 1991) JB/T8226.6-1999 Coating of Narrowband Interference Filter Films on Optical Parts
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