Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 3: Special requirements for laboratory mixing and stirring equipment - Scope and purpose: Chapter 1 of GB 4793.1 applies except for the following. 1.1 Scope Substitution: Replace the entire original text with the following: This part of GB 4793 applies to electric laboratory equipment and its accessories used for mechanical mixing and stirring, whose mechanical energy affects the shape, size, and uniformity of materials and accessories. This equipment may include a heating device. Note: If the equipment as a whole or in part falls within the scope of this part as well as one or more other parts in GB4793, it also needs to meet the requirements of other relevant standards in GB 4793. The requirements for equipment with heating devices can be found in GB 4793.6. 2 Normative References: The clauses in the following documents are referred to in this part of GB4793 and become the clauses of this part. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions do not apply to this section. However, parties to agreements based on this section are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this section. GB 4793.1 Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use, Part 1: General Requirements (GB4793.1-2007, IEC 61010-1:2001, IDT) Chapter 2 of GB 4793.1 applies
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